Leibniz Universität Hannover Fakultät Fakultät für Mathematik und Physik
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Institut für Angewandte Mathematik
 
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Publikationen

Publikationen

Books (published)

  1. Mathematische Grundlagen der Finiten Element--Methoden. Methoden und Verfahren der mathematischen Physik 23, Lang--Verlag, Frankfurt/M (1982), 207 pp. (with W.L. Wendland)
  2. FEM and BEM--Introduction, Universität Hannover (in German) (1991) 219 pp. (with N. Herrmann)
  3. Mathematik und Umwelt (ecological mathematics (in German)), Theodor Oppermann Verlag, Hannover (1994) (with N. Herrmann, J. Siefer, R. Wagner)
  4. Modelling, Simulation and Software Concepts for Scientific-Technological Problems, Lecture Notes in Applied and Computational Mechanics 57, Springer (2011) (with P. Wriggers)
  5. Advanced Boundary Element Methods - Treatment of Boundary Value, Transmission and Contact Problems
    (with J. Gwinner) Springer Series of Computational Mathematics Vol 52, 2018

Books (in preparation)

  1. Fundamentals of the Finite Element Method (with W.J. Layton)
  2. The Boundary Element Method --- Theory and Application
  3. Multigrid and Domain Decomposition for Differential and Integral Equations
  4. The hp-Version of the Boundary Element Method --- Theory, Applications and Implementation (with M. Maischak)

Published articels in refereed journals

 

2021
  • H. Gimperlein, M. Maischak, E. P. Stephan, FE–BE coupling for a transmission problem involving microstructure, Journal of Applied and Numerical Optimization 3 (2021), 315-331
  • E. P. Stephan, T. Tran, Schwarz Methods and Multilevel Preconditioners for Boundary Element Methods, Springer, 589 pages.
  • L. Banz, M. Ilyas, B.P. Lamichhane, W. McLean, E. P. Stephan, A mixed finite element method for the Poisson problem using biorthogonal system with Raviart-Thomas elements, Num. Method Part. Diff. Eq. 37 (2021), 2429-2445.
2020
  • H. Gimperlein, C. Özdemir, D. Stark, E. P. Stephan, A residual a posteriori error estimate for the time-domain boundary element method, Numerische Mathematik 146 (2020), 239-280.
  • H. Gimperlein, C. Özdemir, E. P. Stephan, A time-dependent FEM-BEM coupling method for fluid-structure interaction in 3d, Applied Numerical Mathematics 152 (2020), 49-65.
2019
  • H. Gimperlein, C. Özdemir, D. Stark, E. P. Stephan, hp-version time domain boundary elements for the wave equation on quasiuniform meshes, Computer Methods in Applied Mechanics and Engineering 356 (2019), 145-174.
2018
  • Führer, Thomas; Heuer, Norbert; Stephan, Ernst P.; On the DPG method for Signorini problems. IMA J. Numer. Anal. 38 (2018), 1893–1926.
  • Banz, Lothar; Lamichhane, Bishnu P.; Stephan, Ernst P. Higher order FEM for the obstacle problem of the p-Laplacian—a variational inequality approach. Comput. Math. Appl. 76 (2018) 1639–1660.
  • Banz, Lothar; Lamichhane, Bishnu P.; Stephan, Ernst P. Higher order mixed FEM for the obstacle problem of the p-Laplace equation using biorthogonal systems. Comput. Methods Appl. Math. (2018) (published online).
  • Stephan, Ernst P.; Teltscher, Matthias T. Collocation with trigonometric polynomials for integral equations to the mixed boundary value problem. Numer. Math. 140 (2018) 153–190.
  • Gimperlein, Heiko; Meyer, Fabian; Özdemir, Ceyhun; Stark, David; Stephan, Ernst P. Boundary elements with mesh refinements for the wave equation. Numer. Math. 139 (2018) 867–912.
  • Gwinner, Joachim; Stephan, Ernst Peter Advanced boundary element methods. Treatment of boundary value, transmission and contact problems. Springer Series in Computational Mathematics, 52. Springer, Cham, 2018. xviii+652 pp. ISBN: 978-3-319-92000-9;
  • Hartmann, Thomas; Stephan, Ernst P. A discrete collocation method for a hypersingular integral equation on curves with corners. Contemporary computational mathematics—a celebration of the 80th birthday of Ian Sloan. Vol. 1, 2, 545–566, Springer, Cham
  • Gimperlein, Heiko; Meyer, Fabian; Özdemir, Ceyhun; Stephan, Ernst P. Time domain boundary elements for dynamic contact problems. Comput. Methods Appl. Mech. Engrg. 333 (2018), 147–175
  • Gimperlein, Heiko; Özdemir, Ceyhun; Stephan, Ernst P. Time domain boundary element methods for the Neumann problem: error estimates and acoustic problems. J. Comput. Math. 36 (2018) 70–89.
  • Ammari, Habib; Bao, Gang; Gatica, Gabriel N.; Nigam, Nilima; Steinbach, Olaf; Stephan, Ernst-Peter; Xu, Liwei; Zhu, Jialin Preface [The 2nd Chongqing Workshop on Computational and Applied Mathematics]. Held at Chongqing University, Chongqing, August 16–19, 2015. J. Comput. Math. 36 (2018), no. 1, i–iv. 65-06
2017
  • Feischl, Michael;Führer, Thomas;Praetorius, Dirk; Stephan, Ernst P. Optimal preconditioning for the symmetric and nonsymmetric coupling of adaptive finite elements and boundary elements. Numer. Methods Partial Differential Equations 33 (2017), no. 3, 603–632. 
  • Gimperlein, Heiko; Maischak, Matthias; Stephan, Ernst P. Adaptive time domain boundary element methods with engineering applications. J. Integral Equations Appl. 29 (2017), no. 1,75–105. 
  • Feischl, Michael; Führer, Thomas; Praetorius, Dirk; Stephan, Ernst P. Optimal additive Schwarz preconditioning for hypersingular integral equations on locally refined triangulations.Calcolo 54 (2017), no. 1, 367–399.
  • Gimperlein, Heiko; Nezhi, Zouhair; Stephan, Ernst P. A priori error estimates for a time-dependent boundary element method for the acoustic wave equation in a half-space. Math. Methods Appl. Sci. 40 (2017), no. 2, 448–462. 
  • Banz, Lothar; Gimperlein, Heiko; Issaoui, Abderrahman; Stephan, Ernst P.Stabilized mixed hp-BEM for frictional contact problems in linear elasticity. Numer. Math. 135 (2017),no. 1, 217–263.
  • Banz, Lothar; Lamichhane, Bishnu P.; Stephan, Ernst P. A new three-field formulation of the biharmonic problem and its finite element discretization. Numer. Methods Partial Differential Equations 33 (2017), no. 1, 199–217.
2016
  • Banz, Lothar; Gimperlein, Heiko; Nezhi, Zouhair; Stephan, Ernst P. Time domain BEM for sound radiation of tires. Comput. Mech. 58 (2016), no. 1, 45–57. 
  • Andres, Michael; Maischak, Matthias; Stephan, Ernst P. Dual-dual formulation for a contact problem with friction. Comput. Methods Appl. Math. 16 (2016), no. 1, 1–16. 
  • Banz, Lothar; Stephan, Ernst P. Comparison of mixed hp-BEM (stabilized and non-stabilized) for frictional contact problems. J. Comput. Appl. Math. 295 (2016), 92–102. 
2015
  • Banz, Lothar; Stephan, Ernst P. On hp-adaptive BEM for frictional contact problems in linear elasticity. Comput. Math. Appl. 69 (2015), no. 7, 559–581.
2014
  1. M. Feischl, T. Führer, G. Mitscha-Eibl, D. Praetorius, E.P. Stephan: Convergence of adaptive BEM and adaptive FEM-BEM coupling for estimators without h-weighting factor. Comput. Methods Appl. Math. 14 (2014), no. 4 485–508
  2. T. von Petersdorff, E.P. Stephan: Decomposition in regular and singular parts (in domains with corners) and stability under perturbation of the geometry. Appl. Anal. 93 (2014), no. 10 2158–2173
  3. A. Costea, H. Gimperlein, E.P. Stephan: A Nash-Hörmander iteration and boundary elements for the Molodensky problem. Numer. Math. 127 (2014), no. 1 1–34
  4. L. Banz, E.P. Stephan: A posteriori error estimates for hp- adaptive IPDG-FEM for elliptic obstacle problems, Applied Numerical Mathematics Volume 76 (2014) 76-92
  5. L. Banz, E.P. Stephan: hp-adaptive IPDG/TDG-FEM for parabolic obstacle problems. Comput. Math. Appl. 67 (2014), no. 4 712–731
  6. M. Maischak, A. Krebs, E.P. Stephan: Quasi-optimal degree distribution for a quadratic programming problem arising from the p-version finite element method for a one-dimensional obstacle problem. Discrete Appl. Math. 164 (2014), part 1, 200–209
  7. L. Banz, A. Costea, H. Gimperlein, E.P. Stephan: Numerical simulationsfor the non-linear Molodensky problem, Stud. Geophys. Geod. 58 (2014) 489-504
  8. H. Gimperlein, Z. Nezhi, E.P. Stephan, A priori error estimates for a time-dependent boundary element method for the acoustic wave equation in a half-space Math.Meth.Appl.Sci (2014) DOI:10.1002/mma.3340
2013
  1. F. Leydecker, M. Maischak, E.P. Stephan, and M. Teltscher:  A P-Hierarchical Error Estimator for a FEM-BEM Coupling of an Eddy Current Problem in R^3, J. KSIAM Vol. 17, No.3 (2013) 139-170
  2. B. Denkena, E.P. Stephan et al.:  Numerical Computation Methods for Modeling Phenomenon of Tool Extraction, in Process Machine Interactions (ed. B. Denkena, F. Hollmann), Lecture Notes in Production Engineering, Springer 2013, 285-308
  3. M. Andres, E.P. Stephan et al.:  Adaptive Finite Elements and Mathematical Optimization Methods,in Process Machine Interactions (ed. B. Denkena, F. Hollmann), Lecture Notes in Production Engineering, Springer 2013, 53-77
  4. L. Banz, E.P. Stephan: hp-adaptive IPDG/TDG FEM for parabolic obstacle problems, Computers a. Mathematics with Appl. (2013), dx.doi.org/10.1016/j.camwa.2013.03.003
  5. A.Costea, H. Gimperlein, and E.P. Stephan:  A Nash-Hörmander iteration and boundary elements for the Molodensky problem, Numerische Mathematik (2013), 34 pages, DOI 10.1007/s00211-013-0579-8
  6. L. Banz, A. Costea, H. Gimperlein, and E.P. Stephan:  Numerical simulations of the nonlinear Molodensky problem, (proceedings of the European Geosciences Union General Assembly 2013 in Vienna) submitted to Studia geophysica et geodaetica (2013), 13 pages
  7. H. Gimperlein, M. Maischak, and E.P. Stephan:  FE-BE Coupling for a Transmission Problem Involving Microstructure, submitted to SIAM Journal on Numerical Analysis (2013), 16 pages
  8. H. Gimperlein, E.P. Stephan:  Adaptive FE-BE Coupling for Strongly Nonlinear Transmission Problems with Friction II, submitted to SIAM Journal on Numerical Analysis (2013), 20 pages
  9. E.P. Stephan et al.: High precision modeling towards the 10-20 level, ZAMM, Z. Angew. Math. Mech. 93 (2013) 492-498
  10. R. Bürger, O Steinbach, and E.P. Stephan: Editorial Special Issue:  PDE's: Theory, application simulations, ZAMM, Z. Angew. Math. Mech. 93 (2013)
2012
  1. C. Dominguez Garcia,E.P. Stephan, and M. Maischak: A FE-BE coupling for a fluid-structure interaction problem: hierarchical a posteriori error estimates. Numer. Methods Partial Differential Equations 28 (2012), 1417-1439
  2. B.P. Lamichhane, E.P. Stephan: A symmetric mixed finite element method for nearly incompressible elasticity based on biorthogonal systems. Numer. Methods Partial Differential Equations 28 (2012), 1336-1353
  3. M. Gläfke, M. Maischak, and E.P Stephan:  Coupling of FEM and BEM for a transmission problem with nonlinear interface conditions. Hierarchical and residual error indicators. Appl. Numer. Math. 62 (2012), 736-753
  4. M. Maischak, S. Oestmann, E.P. Stephan: A least-squares fem-bem coupling method for linear elasticity. Appl. Numer. Math. 62 (2012) 457-472
  5. M. Andres, M. Maischak, and E.P. Stephan: Dual-dual formulation for a contact problem with friction. Numer. Math. (submitted)
  6. L. Nesemann, E.P. Stephan: Numerical solution of an adhesion problem with FEM and BEM. Appl. Numer. Math 62 (2012) 606-619
  7. C. Dominquez Garcia, E.P. Stephan, M. Maischak: A FE/BE coupling for an acoustic fluid-structure interaction problem. Residual a posteriori error estimates. Int. J. Numer. Methods Eng. 89 (2012) 299-322
  8. B. Lamichhane, E.P. Stephan: A symmetric mixed finite element method for nearly incompressible elasticity based on biorthogonal systems. Numer. Methods Partial Differ. Equations, 28 (2012) 1336-1353
  9. F. Leydecker, E.P. Stephan: Additive Schwarz methods for the hp-version of the boundary element method in R^3. in: Fast BEM in Engeneering and Industrial Applications (editors: U. Langer, O. Steinbach) Lecture notes Applied and Computational Mechanics 63, Springer (2012)
  10. F. Leydecker, M. Maischak, E.P. Stephan, and M. Teltscher: A p-hierarchical error estimator for a FE-BE coupling formulation applied to electromagnetic scattering problems in R^3. Appl. Anal. 91 (2012) 277-293
2011
  1. G.N. Gatica, M. Maischak, and E.P. Stephan: Numerical Analysis of a Transmission Problem with Signorini Contact using mixed-FEM and BE, ESAIM Math. Model. Numer. Anal. 45 (2011) 779-802
  2. H. Gimperlein, M. Maischak, E. Schrohe, and E.P. Stephan: Adaptive FE-BE coupling for strongly nonlinear transmission problems with Coulomb friction. Numer. Math. 117 (2011) 307-332
  3. M. Andres, H. Blum, C. Brandt, C. Carstensen, P. Maass , J. Niebsch, A., Rademacher, R. Ramlau, A. Schröder, E.P. Stephan, and S. Wiedemann: Adaptive finite elements and mathematical optimization methods. Springer Book: Process Machine Interactions (to be published)
  4. Q.T Le Gia, E.P. Stephan, and T. Tran: Solution to the Neumann problem exterior to a prolate spheroid by radial basis functions, Adv. Comput. Math. 34 (2011) 83-103
2010
  1. E.P. Stephan, W.L. Wendland, G.C. Hsiao on his 75th birthday Math Methods Appl. Sci. 33 (2010) 2143-2144
  2. A. Costea, Q.T. Le Gia, E.P. Stephan, and T. Tran: Meshless BEM and overlapping Schwarz preconditioners for exterior problems on spheroids, Studia Geophysica et Geodetica, vol. 55, iss. 3
  3. M. Maischak, A. Krebs, and E.P. Stephan: A quadratic programming problem arising from the p-version for obstacle problems, Electronic Notes in Discrete Mathematics 36 923-930
  4. E.P. Stephan, A. Costea, Q.T. Le Gia, and T. Tran: Meshless boundary element methods for exterior problems on spheroids, Advances in Boundary Element Techniques XI, conference proceedings, International Conference on Boundary Element and Meshless Techniques 455-462
  5. B. Denkena, D. Heinisch, M. Krüger, E.P. Stephan, M. Maischak, and M. Andres: investigations on Dynamic Tool, Structure and Process Interaction, Proceedings of the 2nd International Conference Process Machine Interactions (PMI)
  6. E.P. Stephan, S. Geyn, and M. Maischak: Coupling of Boundary Elements and Finite Elements in Incremental Forming. Final report of the DFG priority program SPP 1146, Modelling of incremental forming processes, Shaker Verlag, Aachen 69-74
  7. F. Leydecker, M. Maischak, E.P. Stephan, M. Teltscher: Adaptive FE-BE coupling for an electromagnetic problem in R3-a residual error estimator, Math. Methods Appl. Sci. 33 (2010) 162-2186
  8. A. Krebs, M. Maischak, E.P. Stephan: Adaptive FEM BEM coupling with a Schur complement error indicator, Appl. Numer. Math. 60 (2010) 798-808
  9. R. Prato Torres, E.P. Stephan, F. Leydecker: A FE/BE coupling for the 3D time-dependent eddy current problem. Part II: a posteriori error estimates and adaptive computations,, Computing 88 (2010) 155-172
  10. R. Prato Torres, E.P. Stephan, F. Leydecker: A FE/BE coupling for the 3D time-dependent eddy current problem. Part I: a priori error estimates,, Computing 88 (2010) 31-154
  11. T. Tran, Q. T. Le Gia, I. H. Sloan, E. P. Stephan: Preconditioners for pseudodifferential equations on the sphere with radial basis functions, Numer. Math. 115 (2010) 141-163
2009
  1. T. Tran, Q. T. Le Gia, I. H. Sloan, E. P. Stephan: Boundary integral equations on the sphere with radial basis functions: error analysis, Appl. Numer. Math. 59 (2009)2857-2871
  2. M. Maischak, E. Ostermann, E. P. Stephan:  TD-BEM forSound Radiation in three Dimensions and the Numerical Evaluation of Retarded Potentials, NAG/DAGA 2009 - Rotterdam (2009) 633-636
  3. E. P. Stephan: The hp-Version of BEM - Fast Convergence, Adaptivity and Efficient Preconditioning, Journal of Computational Mathematics, 27 (2009) 348-359 
  4. S.A. Funken, E.P. Stephan: Fast solvers with block-diagonal preconditioners for linear FEM-BEM coupling, Numer. Linear Algebra Appl. 16 (2009) 365-395
  5. E. P. Stephan, T. Tran, A. Costea:  A boundary integralequation on the sphere for high-precision geodesy. Computer Methods in Mechanics - Lecture Notes on the CMM 2009, edited by Kuczma, Wilmanski, (2009)
2008
  1. E.P. Stephan: Efficient Coupling of Finite Elements and Boundary Elements - Adaptive Procedures and Preconditioning, ANZIAM J. 50 (2008) C774-C799
  2. E.P. Stephan, M. Maischak, T. Tran:  Domian Decomposition Algorithms for am Indefinite Hypersingular Integral Equation in Three Dimensions, in: Domain Decomposition Methods in Science and Engineering XVII, Lecture Notes in Comp. Sci. and Eng. 60 (2008) 647-655
  3. E. P. Stephan, M. Maischak, E. Ostermann:  Transient Boundary Element Method and Numerical Evaluation of Retarded Potentials, Computational Science -- ICCS 2008, Lecture Notes in Computational Science, 5102 (2008) 321-330
  4. F.-D. Speck, E.P. Stephan:  Boundary value problems for the Helmholtz equation in an octant, Integral Eqn. Oper. Theory, 62 (2008) 269-300
  5. H. Holm, M. Maischak, E. P. Stephan:  Math. Meth. Appl. Sci., 31 (2008) 2069-2093
  6. A. Chernov, M. Maischak, E. P. Stephan:  hp-mortar boundary element method for two-body contact problems with friction, Math. Meth. Appl. Sci., 31 (2008) 2029-2054
2007
  1. M. Maischak, E.P. Stephan: The hp-version of the boundary element method for the Lame equation in 3D, in:Boundary Element Analysis,eds.M.Schanz,O.Steinbach,Lecture Notes in Appl. and Comp. Mech. 29 (2007) 97-112
  2. A. Chernov, E.P. Stephan:  Adaptive BEM for Contact Problems with Friction, Proceedings of the IUTAM (2007) 113-122
  3. A. Chernov, M. Maischak, E.P. Stephan: A priori error estimates for hp penalty BEM for contact problems in elasticity, Comp. Methods Appl. Mech. Eng. 196 (2007) 3871-3880
  4. G. N. Gatica, L.F. Gatica, E. P. Stephan:  A dual-mixed finite element method for nonlinear incompressible elasticity with mixed boundary conditions, Comp. Methods Appl. Mech. Eng. 196 (2007)3348-3369
  5. N. Heuer, F. Leydecker, E. P. Stephan:  An iterative substructuring method for the hp-version of the BEM on quasi-uniform triangular meshes, Num. Methods for PDEs 23 (2007)879-903
  6. Krebs, Andreas; Stephan, Ernst P.:  p-version finite element method for nonlinear elliptic variational inequalities in 2D. Numer. Math. 105 (2007) 457-480
  7. M. Maischak, E.P. Stephan: Adaptive hp-versions of boundary element methods for elastic contact problems Comput. Mech. 39 (2007) 597-607
  8. E.P. Stephan, M. Maischak, F. Leydecker: An hp-adaptive finite element/boundary element coupling method for electromagnetic problems, Comput. Mech. 39 (2007) 673-680
  9. M. Greiff, M. Maischak, U.B. Bala, W. Mathis, E.P. Stephan:  Numerical computation of electric fields including singularities in Mirco Electro Mechanical Systems (MEMS). Przeglad elektrotechniczny, 83(11):47-19, (2007). 14th International Symposium on Theoretical Electrical Engineering, Szczecin, Poland, 20-23, (2007)
2006
  1. A. Chernov, S. Geyn, M. Maischak, E. P. Stephan:  Finite element/boundary element coupling for two-body elastoplastic contact problems with friction, in: Analysis and Simulation of Contact Problems, eds. P. Wriggers, U. Nackenhorst, Lecture Notes in Appl. and Comp. Mech. 27 (2006) 171-178
2005
  1. E.P. Stephan, M. Maischak, F. Leydecker:  Some Schwarz methods for integral equations on surfaces- h and p versions,Comput. Vis. Sci. 8 (2005) 211-216.
  2. R. Araya, A. H. Poza, E.P. Stephan: A hierarchical a posteriori error estimate for an advection-diffusion-reaction problem, Math. Models Methods Appl. Sci. 15 (2005) 1119-1139
  3. M. Maischak, E.P. Stephan:  Adaptive hp-versions of BEM for Signorini problems, Appl. Numer. Math. 54 (2005) 425-449
  4. R. Bustinza, G. Gatica, M. Gonzalez, S. Meddahi and E.P. Stephan:  Enriched finite element subspaces for dual-dual mixed formulations in fluid mechanics and elasticity, Computer Methods in Applied Mechanics and Engineering 194 (2005) 427-439
  5. E.P. Stephan, M. Maischak:  A posteriori error estimates for FEM-BEM couplings of three-dimensional electromagnetic problems Comp. Meth. Appl. Mech. Eng. 194 (2005) 441-452
  6. M. Maischak, E.P. Stephan:  A FEM-BEM coupling method for a nonlinear transmission problem modelling Coulomb Friction Contact, Comp. Meth. Appl. Mech. Eng. 194 (2005) 453-466
2004
  1. M. Maischak, E.P. Stephan: A Least Squares Coupling Method with Finite Elements and Boundary Elements for Transmission Problems, Computers and Mathematics with Applications 48 (2004), 995-1016.
  2. T. Tran, E. P. Stephan: An overlapping additive Schwarz preconditioner for boundary element approximations to the Laplace screen and Lame crack problems, J. Numer. Math. 12 (2004), no. 4, 311-330
  3. E. P. Stephan: Coupling of Boundary Element Methods and Finite Element Methods, Encyclopedia of Computational Mechanics, Edited by Erwin Stein, René de Borst and Thomas J.R. Hughes. Vol. 1, Chapter 13: Fundamentals. 2004 John Wiley & Sons.
  4. C. Carstensen, M. Maischak, D. Praetorius, E. P. Stephan: Residual-based a posteriori error estimate for hypersingular equation on surfaces, Numer. Math. 97 (2004), no. 3, 397-425
  5. M. Maischak, E. P. Stephan, T. Tran: A multiplicative Schwarz algorithm for the Galerkin boundary element approximation of the weakly singular integral operator in three dimensions, Int. J. of Pure and Appl. Math. (2004), no. 1, 1-21
2003
  1. N. Heuer, E. P. Stephan: An overlapping domain decomposition preconditioner for high order BEM with anisotropic elements, Adv. Comp. Math. (2003), no. 1-3, 211-230
  2. G. N. Gatica, L. F. Gatica, E. P. Stephan: A FEM-DtN formulation for a nonlinear exterior problem in incompressible elasticity, Math. Meth. Appl. Sci. 26 (2003) 151-170
2002
  1. G. Gatica, E. P. Stephan: A mixed-fem formulation for nonlinear incompressible elasticity in the plane, Numer.Meth.Part.Diff.Eqns 18 (2002) 105-128
  2. N. Heuer, M. Mellado, E. P. Stephan, A p-adaptive algorithm for the BEM with the hypersingular operator on the plane screen, Int.J.Numer.Meth.Engng. 53 (2002) 85-104
  3. M. A. Barrientos, G. N. Gatica, E. P. Stephan: A mixed finite element method for nonlinear elasticity: two-fold saddle point approach and a-posteriori error estimate, Numer.Math. 91 (2002) 197-222
2001
  1. N. Heuer, M. E. Mellado, E. P. Stephan, h-p-adaptive two-level methods for boundary integral equations on curves, Computing 67 (2001) 305-334
  2. T. Tran, E. P. Stephan, Two-level additive Schwarz precondioners for the h-p version of the Galerkin boundary element method for 2-d problems, Computing 67 (2001) 57-82
  3. G. N. Gatica, N. Heuer, E. P. Stephan: An implicit-explicit residual error estimator for the coupling of dual-mixed finite elements and boundary elements in elastostatics, Math.Meth.Appl.Sci. 24 (2001), 179-191
  4. N. Heuer, E. P. Stephan, An additive Schwarz method for the h-p version of the boundary element method for hypersingular integral equations in R^3, IMA J.Numer. Analysis 21 (2001), 265-283
  5. U. Brink, E. P. Stephan: Adaptive coupling of boundary elements and mixed finite elements for incompressible elasticity , Numer.Methods Part.Diff.Equs 17 (2001), 79-92
  6. C. Carstensen, M. Maischak, E. P. Stephan: A posteriori error estimate and h-adaptive algorithm on surfaces for Symm's integral equation, Numer.Math. 90 (2001) 197-213
2000
  1. E. P. Stephan: Multilevel methods for the h-, p- and hp -versions of the boundary element method, J.Comp.Appl.Math. 125 (2000) 503-519
  2. P. Mund, E.P. Stephan: An adaptive two/level method for the hypersingular integral equations in R^3, ANZIAM J.42(E) (2000) C1019-C1033
  3. M. Maischak, E. P. Stephan, T. Tran: Multiplicative Schwarz algorithms for the Galerkin boundary element method, SIAM J. Numer. Anal. 38 (2000), no.4, 1243 - 1268
  4. T. Tran, E. P. Stephan: Additive Schwarz algorithms for the p version of the Galerkin boundary element method, Numer. Math. 85 (2000), no.3, 433 - 468
  5. E. P. Stephan, T. Tran: Domain decomposition algorithms for indefinite weakly singular integral equations: the h and p versions, IMA J.Numer.Anal 20 (2000), no.1, 1 - 24
1999
  1. P. Mund, E.P. Stephan: An adaptive two-level method for the coupling of nonlinear FEM-BEM equations, SIAM J. Numer. Anal. 36 (1999) 1001-1021
  2. N. Heuer, M. Maischak, E.P. Stephan: Preconditioned Minimum Residual Iteration for the h-p Version of the Coupled FEM-BEM with Quasi-uniform Meshes, Numer. Linear Algebra. Appl. 6 (1999) 435-456
  3. U. Brink. E.P. Stephan: Implicit Residual Error Estimates for the Coupling of Finite Elements and Boundary Elements. Math.Methd.Appl.Sci. 22 (1999) 923-936
  4. N. Heuer, M. Maischak, E.P. Stephan: Exponential Convergence of the h-p-Version for the Boundary Element Method on Open Surfaces. Numer. Math.83 (1999) 641-666
1998
  1. N. Heuer, E.P. Stephan: Iterative substructering for hypersingular integral equations in R^3. SIAM J. Sci. Comput. 20 (1998) 739-749
  2. N. Heuer, E. P. Stephan: The Poincaré-Steklov operator within countably normed spaces, Mathematical aspects of boundary element methods (Palaiseau, 1998), 152-164, Chapman & Hall/CRC Res. Notes Math., 414, Chapman & Hall/CRC, Boca Raton, FL, 2000
  3. P. Mund, E.P. Stephan, J. Weisse: Two-level methods for the single layer potential in R^3. Computing 60 (1998) 243-266
  4. T. Tran, E. P. Stephan, S. Zaprianov: Wavelet-based preconditioners for boundary integral equations. Numerical treatment of boundary integral equations, Adv.Comput. Math 9 (1998), no. 1-2, 233-249
  5. P. Mund, E. P. Stephan: The preconditioned GMRES method for systems of coupled FEM-BEM equations. Numerical treatment of boundary integral equations, Adv.Comput.Math. 9 (1998), no. 1-2, 131-144
  6. B. Guo, E. P. Stephan: The h-p version of the coupling of finite element and boundary element methods for transmission problems in polyhedral domains, Numer.Math. 80 (1998), no. 1, 87-107
  7. N. Heuer, E. P. Stephan: Boundary integral operators in countably normed spaces, Math.Nachr. 191 (1998), 123-151
  8. E. P. Stephan, T. Tran: Domain decomposition algorithms for indefinite hypersingular integral equations: the h and p versions, SIAM J.Sci.Comput. 19 (1998), no. 4, 1139-1153 (electronic)
  9. N. Heuer, E. P. Stephan: Preconditioners for the p version of the Galerkinmethod for a coupled finite element/boundary element system, Numer.Methods Partial Differential Equations 14 (1998), no. 1, 47-61
  10. N. Heuer, E. P. Stephan, T. Tran: Multilevel additive Schwarz method for the h-p version of the Galerkin boundary element method, Math.Comp. 67 (1998), no. 222, 501-518
Prior 1998
  1. S. Funken, E.P. Stephan: The BPX preconditioner for the single layerpotential operator. Appl. Anal. 67 (1997) 327-340
  2. M. Maischak, P. Mund, E.P. Stephan: Adaptive multilevel bem for acoustic scattering. Comput.Methods.Appl.Mech.Engrg. 150 (1997) 351-367
  3. J. Elschner, Y.Jeon, I.H. Sloan, E.P. Stephan: Discrete qualocation methods for logarithmic-kernel integral equations on a piecewise smooth boundary.Advances in Computational Math. 7 (1997) 547-571
  4. P. Mund, E.P. Stephan, T. Tran: Hierarchical basis preconditioners for first kind integral equations. Appl. Anal. 65 (1997) 353-372
  5. J. Elschner, Y. Jeon, I.H. Sloan, E.P. Stephan: The collocation method for mixed boundary value problems on domains with curved polygonal boundaries.Numer. Math. 76 (1997) 355-381
  6. P. Mund, E.P. Stephan: Adaptive coupling and fast solution of FEM-BEM equations for parabolic-elliptic interface problems. Math.Meth.Appl.Sci. 20 (1997) 403-423
  7. M. Maischak, E.P. Stephan: The hp-version of the boundary element method in R^3. The basic approximation results. Math.Meth.Appl.Sci. 20 (1997) 461-476
  8. C. Carstensen, E.P. Stephan: Adaptive boundary element methods for transmission problems, J.Australian Math.Society Series B 38 (1997) 336-367
  9. C. Carstensen, S.A. Funken, E.P. Stephan: On the adaptive coupling of FEM and BEM in 2-d elasticity. Numer. Math. 77 (1997) 187-221
  10. P. Mund, E.P. Stephan: Two-level adaptive boundary element methods for the Laplace, Lamé and Helmholtz equations, In: Proceedings of 1st UK conference on boundary integral methods, Leeds, 30.6.-1.7.1997, 236-245
  11. T. Hartmann, E.P. Stephan: Error analysis for the BEM on nonsmooth curves,In: Boundary Element Topics (1997) 339-350
  12. M. Maischak, E.P. Stephan: The h-p-version of the bem with geometric meshes in 3D, In: Boundary Element Topics (1997) 351-362
  13. S.A. Funken, E.P. Stephan: Fast solvers for non-linear fem-bem equations. In: Proc. IA BEM Symposium on Boundary Element Methods for Nonlinear Problems (ed. W. Wendland, L. Morino), Klower Akad. Publ. Dordrecht, Holland (1996) 63-68
  14. M. Maischak, E.P. Stephan, T. Tran: Domain decomposition methods for boundary integral equations of the first kind: Numerical results Appl.Anal. 63 (1996) 111-132
  15. E.P. Stephan, T. Tran: Localization and post processing for the Galerkin boundary element method applied to three-dimensional screen problems J.Integral Eqns. Appl. 8 (1996) 457-481
  16. C. Carstensen, E.P. Stephan, D. Zarrabi: On the h-adaptive coupling of FE and BE for viscoplastic and elasto-plastic interface problems. J.Comp.Appl.Math. 75 (1996) 345-363
  17. H. Holm, M. Maischak, E.P. Stephan: The hp-version of the boundary element method for Helmholtz screen problems. Computing 57 (1996) 105-134
  18. J. Elschner, E.P. Stephan: A discrete collocation method for Symm's integral equation with corners. J. Comp. Appl. Math. 75 (1996) 131-146
  19. N. Heuer, E.P. Stephan: The h-p version of the boundary element method on polygons. J. Integral Eqns. Appl. 8 (1996) 173-212
  20. C. Carstensen, S.A. Funken, E.P. Stephan: A posteriori error estimates for h-p boundary element methods. Applicable Anal. 61 (1996) 233-253
  21. C. Carstensen, E.P. Stephan: Adaptive boundary element methods for some first kind integral equations, SIAM J.Numer.Anal. 33 (1996) 2166-2183
  22. B. Guo, N. Heuer, E.P. Stephan: The h-p version of the boundary element method for transmission problems with piecewise analytic data, SIAM J.Numer. Anal. 33 (1996) 789-808
  23. E.P. Stephan, T. Tran: Additive Schwarz methods for the h -version boundary element method, Applicable Analysis 60 (1996) 63-84
  24. M. Hahne, E.P. Stephan: Schwarz iteration for the efficient solution of screen problems with boundary elements, Computing 55 (1996) 61-85
  25. E.P. Stephan: The h-p version of the boundary element method for solving 2- and 3-dimensional problems. Comp. Meth. Appl. Mech. Eng. 133 (1996) 183-208
  26. E.P. Stephan: Additive Schwarz methods for integral equations of the first kind, In: MAFELAP 1996, ed. J.R. Whiteman, 123-144
  27. M. Maischak, E.P. Stephan, T. Tran: Two level Schwarz methods for indefinite integral equations, In: DD9 Proceedings, Norway 1996, 504-508
  28. M. Maischak, E.P. Stephan: Schwarz methods for graded meshes in 2D-BEM: numerical results, In: Analysis, Numerics and Applications of Differential and Integral Equations, eds. Constanda, et.al. Proceedings, Stuttgart 1996
  29. S.A. Funken, E.P. Stephan: Hierarchical basis preconditioners for coupled fem-bem equations, In: Proc. 12th GAMM-Seminar, Kiel 1996, Notes in Numerical Fluid Mechanics (ed. W. Hackbusch, G. Wittum)
  30. U. Brink, E.P. Stephan: Convergence rates for the coupling of FEM and collocation BEM. IMA J. Numerical Analysis 16 (1996) 93-110
  31. M. Maischak, E. P. Stephan, T. Tran: Domain decomposition methods for boundary integral equations of the first kind: numerical results, Appl.Anal. 63 (1996), no. 1-2, 111-132
  32. H. Holm, E.P. Stephan: A boundary element method for electromagnetic transmission problems. Applicable Analysis 56 (1995) 213-226
  33. C. Carstensen, E. P. Stephan: Adaptive coupling of boundary and finite element methods, Math. Modelling Num. Analysis 29 (1995) 779-817
  34. C. Carstensen, E. P. Stephan: A posteriori error estimates for boundary element methods. Math. Comp. 64 (1995) 483-500
  35. C. Carstensen, E. P. Stephan: Coupling of finite element and boundary element method for a nonlinear interface problem: The h-p-version, Numer. Methods Part. Diff. Eqns 11 (1995) 539-554
  36. C. Carstensen, E. P. Stephan: Interface problems in elasto-viscoplasticity, Quarterly of Appl. Math. III (1995) 633-655
  37. C. Carstensen, D. Estep, E. P. Stephan: h-adaptive boundary element schemes, Comp. Mechanics 15 (1995) 372-383
  38. M. Hahne, E. P. Stephan, W. Thies: Fast solvers for coupled FEM - BEM equations I -- In: Fast Solvers for Flow Problems, ed. W. Hackbusch, G.Wittum, Notes on Numerical Fluid Mechanics 49 (1995) 121-130
  39. T. Hartmann, E.P. Stephan: Rates of convergence for collocation with Jacobi polynomials for the airfoil equation. J.Comp.Appl.Math. 51 (1994) 179-191
  40. N. Heuer, E.P. Stephan: The hp-version of the boundary element method. ZAMM (1994) T511-T513
  41. M. Costabel, V.J. Ervin, E.P. Stephan: Quadrature and collocation methods for the double layer potential on polygons, Zeitschrift für Analysis und ihre Anwendungen 12 (1993) 699-707
  42. J. Gwinner, E.P. Stephan: A boundary element procedure for contact problems in plane linear elastostatics, RAIRO Math.Mod.Num.Anal. 27 (1993) 457-480
  43. V.J. Ervin, N. Heuer, E.P. Stephan: On the h-p version of the Boundary Element Method for Symms's Integral Equation on Polygons, Comp.Meth. in Applied Mechanics Eng. 110 (1993) 25-38
  44. V.J. Ervin, E.P. Stephan: Adaptive approximations for 3-D electrostatic plate problems, Advances in Engineering Software 15 (1992) 211-215)
  45. V.J. Ervin, E.P. Stephan: Collocation with Chebyshev Polynomials for a hypersingular integral equation on an interval, J.Computational Applied.Math. 43 (1992) 221-229
  46. E.P. Stephan: Coupling of finite elements and boundary elements for some nonlinear interface problems, Computer Methods in Applied Mechanics and Engineering 101 (1992) 61-72
  47. I. Sloan, E.P. Stephan: Collocation with Chebyshev polynomials for Symm's Integral Equation on an Interval, J. Australian Math. Society Series B 34 (1992) 199-211
  48. T. von Petersdorff, E.P. Stephan: Multigrid solvers and preconditioners for first kind integral equations, Numer.Meth.Part.Diff.Eqns. 8 (1992) 443-450
  49. T. von Petersdorff, E.P. Stephan: Singularities of the solution of the Laplacian in domains with circular edges, Applicable Analysis 45 (1992) 281-294
  50. E.P. Stephan, M. Suri: The h-p version of the boundary element method on polygonal domains with quasiuniform meshes, Mathematical Modelling Numerical Analysis M AN RAIRO Analy.Numer. 25 (6) (1991) 783-807
  51. M. Costabel, V.J. Ervin, E.P. Stephan: Experimental convergence rates for various couplings of boundary and finite elements, Mathl.Comput.Modelling 15 (1991) 93-102
  52. V.J. Ervin, E.P. Stephan: A boundary element method with mesh refinement for a weakly singular integral equation, Communications in Applied Numerical Methods 7 (1991) 273-280
  53. G.C. Hsiao, E.P. Stephan, W.L. Wendland: On the Dirichlet problem in elasticity for a domain exterior to an arc, J.Computational and Applied Mathematics 34 (1991) 1-19
  54. E.P. Stephan, W.L. Wendland: A hypersingular boundary integral method for two-dimensional screen and crack problems, Arch.Rational Mech.Anal 112 (1990) 363-390
  55. S. Abou El-Seoud, V.J. Ervin, E.P. Stephan: An improved boundary element Galerkin method for the charge density of a thin, electrified, square plate in R^3, Math.Meth. in Appl.Sciences 13 (1990) 291-303
  56. V.J. Ervin, E.P. Stephan: A boundary element Galerkin method for a hypersingular integral equation on open surfaces, Math.Meth. in Appl. Sciences 13 (1990) 281-289
  57. F.V. Postell, E.P. Stephan: On the h, p and h-p version of the boundary element method - Numerical results, Computer Methods in Applied Mechanics Engineering 83 (1990) 69-89
  58. I. Babuska, B.Q. Guo, E.P. Stephan: The h-p version of the boundary element method with geometric mesh on polygonal domains, Computer Methods in Applied Mechanics and Engineering 80 (1990) 319-325
  59. T. von Petersdorff, E.P. Stephan: On the convergence of the multigrid method for a hyper-singular integral equation of the first kind, Numerische Mathematik 57 (1990) 379-391
  60. I. Babuska, B. Guo, E.P. Stephan: On the exponential convergence of the h-p version for boundary element Galerkin methods on polygons, Math.Methods in Applied Sciences 12 (1990) 413-427
  61. M. Costabel, V.J. Ervin, E.P. Stephan: Experimental asymptotic convergence of the collocation method for the boundary integral equations on polygons, governing Laplace's equation, Journal of Computational Mechanics 6 (1990) 271-278
  62. E.P. Stephan: A boundary integral equation procedure for the mixed boundary value problem of the vector Helmholtz equation, Applicable Analysis 35 (1990) 59-72
  63. T.von Petersdorff, E.P. Stephan: Decompositions in edge and corner singularities for the solution of the Dirichlet problem of the Laplacian in a polyhedron, Mathematische Nachrichten 149 (1990) 71-104
  64. T.von Petersdorff, E.P. Stephan: Regularity of mixed boundary value problems in R^3 and boundary element methods on graded meshes, Mathematical Methods in Applied Sciences 12 (1990) 229-249
  65. M. Costabel, V.J. Ervin, E.P. Stephan: Symmetric coupling of finite elements and boundary elements for a parabolic-elliptic interface problem, Quarterly of Applied Mathematics 48 (1990) 265-279
  66. M. Costabel, E.P. Stephan: Integral equations for transmission problems in linear elasticity, Journal of Integral Equations and Applications 2 (1990) 211-223
  67. M. Costabel, E.P. Stephan: Coupling of Finite Element and Boundary Element Methods for an Elasto-Plastic Interface Problem, SIAM Numerical Analysis 27 (1990) 1212-1226
  68. E.P. Stephan, M. Suri: On the convergence of the p-version for some boundary element Galerkin methods, Mathematics of Computation 52 (1989) 31-48
  69. M. Costabel, E.P. Stephan: Duality estimates for the numerical approximation of boundary integral equations, Numerische Mathematik 54 (1988) 339-353
  70. M. Costabel, E.P. Stephan: Strongly elliptic boundary integral equations for electromagnetic transmission problems, Proc.Royal Society Edinburgh 109A (1988) 271-296
  71. M. Costabel, V.J. Ervin, E.P. Stephan: On the convergence of collocation methods for Symm's integral equation on open curves, Mathematics of Computation 51 (1988) 167-179
  72. E.P. Stephan, J.R. Whiteman: Singularities of the Laplacian at corners and edges of three dimensional domains and their treatment with finite element methods, Math.Meth. in Appl.Sciences 10 (1988) 339-350
  73. E.P. Stephan, M. Suri: A p-version boundary element method for screen and crack problems, Ramanujan Birth Centenary International Symposium on Analysis, Pune, India (1987)
  74. M. Costabel, E.P. Stephan: On the convergence of collocation methods for boundary integral equations on polygons, Mathematics of Computation 49 (1987) 461-478
  75. M. Costabel, E.P. Stephan: An improved boundary element Galerkin method for threedimensional crack problems, Journal of Integral Equations and Operator Theory 10 (1987) 467-504
  76. E.P. Stephan: Boundary integral equations for screen problems in R^3, Journal of Integral Equations and Operator Theory 10 (1987) 236-257
  77. E.P. Stephan: Boundary integral equations for mixed boundary value problems in <r^3,></r^3,>
  78. E.P. Stephan: Boundary integral equations for magnetic screens in R^3, Proc.Royal Soc.Edinburgh 102 A (1986) 189-210
  79. E.P. Stephan: A boundary integral equation method for three-dimensional crack problems in elasticity, Math.Meth. in the Appl.Sciences 8 (1986) 609-623
  80. G.J. Fix, E.P. Stephan: On the Finite Element-Least Squares Approximation to Higher Order Elliptic Systems, Archive Rat.Mech.Anal. 91 (1986) 137-151
  81. R.C. MacCamy, E.P. Stephan: A skin effect approximation for eddy current problems, Archive Rat.Mech.Anal. 90 (1985) 87-98
  82. M. Costabel, E.P. Stephan: A direct boundary integral equation method for transmission problems, Journal of Mathematical Analysis and Applications 106 (1985) 367-413
  83. E.P. Stephan, W.L. Wendland: An augmented Galerkin procedure for the boundary integral method applied to mixed boundary value problems, Applied Numerical Mathematics 1 (1985) 121-143
  84. E.P. Stephan W.L. Wendland: An augmented Galerkin procedure for the boundary integral method applied to two-dimensional screen and crack problems, Appl.Analysis 18 (1984) 183-219
  85. U. Lamp, T. Schleicher, E.P. Stephan, W.L. Wendland: Galerkin collocation for an improved boundary element method for a plane mixed boundary value problem, Computing 33 (1984) 269-296
  86. M. Costabel, E.P. Stephan: Boundary integral equations for mixed boundary value problems in polygonal domains and Galerkin approximation, Mathematical Models and Methods in Mechanics, Banach Center Publications, Warsaw 15 (1985) 175-251
  87. R.C. MacCamy, E.P. Stephan: Solution procedures for three-dimensional eddy current problems, Journal Math.Anal. and Appl. 101 (1984) 348-379
  88. M. Costabel, E.P. Stephan: Boundary integral equations for Helmholtz transmission problems and Galerkin approximation, ZAMM 64 (1984) T356-T358
  89. S. Hariharan, E.P. Stephan: A boundary element method for a two-dimensional interface problem in electromagnetics, Numerische Mathematik 42 (1983) 311-322
  90. M. Costabel, E.P. Stephan, W.L. Wendland: On Boundary Integral Equations of the First Kind for the bi-Laplacian in a Polygonal Plane Domain, Annali Scuola Normale Superiore Pisa, Ser. IV 10 (1983) 197-241
  91. M. Costabel, E.P. Stephan: The normal derivative of the double layer potential on polygons and Galerkin approximation, Applicable Analysis 16 (1983) 205-228
  92. R.C. MacCamy, E.P. Stephan: A boundary element method for an exterior problem for three-dimensional Maxwell's equations, Applicable Analysis 16 (1983) 141-163
  93. M. Costabel, E.P. Stephan: Curvature terms in the asymptotic expansions for solutions of boundary integral equations on curved polygons, Journal Integral Equations 5 (1983) 353-371
  94. J. Bielak, E.P. Stephan: A modified Galerkin procedure for bending of beams on elastic foundations, SIAM Journal on Scientific and Statistical Computing 4 (1983) 340-352
  95. E.P. Stephan, W.L. Wendland: Boundary Element Method for Membrane and Torsion Crack Problems, Comput.Meth.Appl.Mech.Eng. 36 (1983) 331-358
  96. G. Fix and E. Stephan, Finite Element Methods of Least-Squares Type for Regions with Corners, ICASE report 81--41, NASA Langley Research Center, Hampton, VA (1981)
  97. E.P. Stephan: Conform and Mixed Finite Element Schemes for the Dirichlet Problem for the Bilaplacian in Plane Domains with Corners, Math.Meth. in Appl.Sci. 1 (1979) 354-382
  98. G.C. Hsiao, E.P. Stephan, W.L. Wendland: On the Integral Equation Method for the Plane Mixed Boundary Value Problem of the Laplacian, Math.Meth. in Appl.Sci. 1 (1979) 265-321
  99. E.P. Stephan, V. Weissgerber: Zur Approximation von Schalen mit hybriden Elementen, Computing 20 (1978) 75-94
  100. E. P. Stephan: Difference approximations for some pseudodifferential equations in R^3, Ordinary and partial differential equations, Lecture Notes in Math., Vol. 564 (1976) 452-460
  101. E.P. Stephan: Differenzenapproximationen von Pseudo-Differentialgleichungen, Z. Angew. Math. Mech. 56 (1976), no.3, T267-T268
  102. E.P. Stephan, W.L. Wendland: Remarks to Galerkin and Least Squares Methods with Finite Elements for General Elliptic Problems, manuscripta geodaetica 1 (1976) 93-123

Publications in Conference Proceedings (Ernst P. Stephan)

  1. M. Maischak, E. Ostermann, E. P. Stephan: Efficient quadrature of retarded potentials, Oberwolfach Report, 2008
  2. E. P. Stephan, S. Geryn, M. Maischak, M. Andres: A boundary element / finite element procedure for metal chipping, CMM-2007 Computer Methods in Mechanics, Lodz, Poland 2007
  3. E. P. Stephan, M. Maischak: Adaptive mixed finite element methods for nonlinear elasticity: a two-fold saddle point approach, WCCM VI 2004, Beijing, Proceedings, 7 pp.
  4. E.P. Stephan, M. Maischak, F. Leydecker: hp-adaptive boundary element method for electromagnetic problems, ECCOMAS 2004, Jyväskylä, Proceedings, 9 pp.
  5. M. Maischak, E.P. Stephan: Adaptive hp-versions of boundary element methods for elastic contact problems, ECCOMAS 2004, Jyväskylä, Proceedings, 18 pp.
  6. R. Araya, A. Poza, E.P. Stephan: A hierarchical a posteriori error estimate for an advection-diffusion-reaction problem, ECCOMAS 2004, Jyväskylä, Proceedings, 19 pp.
  7. E. P. Stephan, M. Maischak, F. Leydecker, S. Oestmann: On the hp-Version BEM for First Kind Integral Equations on Surfaces - Error Analysis, Adaptivity, Preconditioners, In: 5th World Congress on Computational Mathematics, Vienna, Austria, 2002
  8. Additive Schwarz methods for integral equations of the first kind, In: MAFELAP 1996, ed. J.R. Whiteman
  9. Error analysis for the BEM on nonsmooth curves, In: Boundary Element Topics, W.L. Wendland (Editor), Springer 1998 (with T. Hartmann)
  10. The h-p-version of the bem with geometric meshes in 3D, In: Boundary Element Topics, W.L. Wendland (Editor), Springer 1998 (with M. Maischak)
  11. Hierarchical basis preconditioners for coupled fem-bem equations (with S.A. Funken), In: Proc. 12th GAMM-Seminar, Kiel 1996, Notes in Numerical Fluid Mechanics (ed. W. Hackbusch, G. Wittum)
  12. Fast solvers for non-linear fem-bem equations. In: Proc. IABEM Symposium on Boundary Element Methods for Nonlinear Problems (ed. W. Wendland, L. Morino), Klower Akad. Publ. Dordrecht, Holland (1996) 63-68 (with S.A. Funken)
  13. The h-p version of the boundary element method, In: Proc. Conference BEM-15, 1993, Worcester, USA. Advances in Boundary Elements, ed. Brebbia, C.A.
  14. Boundary element convergence for a variational inequality of the second kind. In: Parametric Optimization and Related Topics III (ed. J. Guddat, H.Th. Jongen, B. Kummer, F. Noziska (eds.)) Reihe Approximation + Optimization Vol. 3 Verlag Peter Lang, Frankfurt 1993, 227-241 (with J. Gwinner)
  15. Collocation with Chebyshev polynomials for first kind integral equations on intervals. In Mafelap VII (1990) 321-329 ed. J.R. Whiteman (with V.J. Ervin)
  16. An h-p version of boundary element method for plane mixed boundary value problems. In Proc. Conference BEM-11, 1989, Cambridge, USA (1989) (with B. Guo, T. von Petersdorff). Advances in Boundary Elements, Vol I, ed. Brebbia, C.A., Connor, J.J. (1989) 95-103
  17. The h-p version of the boundary element method with geometric mesh on polygonal domains. In ICOSAHOM '89, International Conference on Spectral and Higher Order Methods for Partial Differential Equations, Como, Italy (1989) (with I. Babuska, B. Guo)
  18. Improved Galerkin methods for integral equations on polygons and on polyhedral surfaces. Japan-U.S. Symposium on Boundary Element Methods, Tokyo, (1988) 73-80
  19. The h-p version of the Galerkin boundary element method for integral equations on polygons and open arcs. In Proc. Conference BEM-10, 1988. Southampton (ed. C.A. Brebbia) pp. 205-216
  20. An h-p method with quasiuniform mesh for integral equations on polygons. In ICES Conference 1988, Atlanta (ed. S. Atluri), Computational Mechanics '88, Vol. 1, pp. 5.iv. 1-5.iv.5, Springer, Berlin (with M.S. Suri)
  21. A direct boundary element method for interface crack problems. In Proc. ICES Conference 1988, Atlanta (ed. S. Atluri) (with T. von Petersdorff). Computational Mechanics '88, Vol. 1, pp. 11.vii.1-11.vii.5, Springer, Berlin
  22. Boundary element methods for some 3D screen problems. In ICES Conference 1988 Atlanta (ed. S. Atluri). Computational Mechanics '88, Vol. 1, pp. 5.ii.1-5.ii.5, Springer, Berlin (with V.J. Ervin)
  23. Experimental convergence of boundary element methods for the capacity of the electrified square plate. Boundary Element Methods in Engineering, ed. C.A. Brebbia, W.L. Wendland, Springer-Verlag, Berlin, 1987 (with V.J. Ervin)
  24. Coupling of finite elements and boundary elements for transmission problems of elastic waves in IR3. In Advanced Boundary Element Methods, IUTAM Symposium 1987, San Antonio, ed. T.A. Cruse, Springer-Verlag, Berlin, 1988, 117-124 (with M. Costabel)
  25. Coupling of finite elements and boundary elements for inhomogeneous transmission problems in IR3. In MAFELAP IV 1987, ed. J.R. Whiteman, Academic Press, London, 1988, 289-296 (with M. Costabel)
  26. A Galerkin method for a three-dimensional time dependent interface problem in electromagnetics, Proceed. Workshop in Electromagnetics-Magnetostatics, INRIA, Rocquencourt, France (1987)
  27. Collocation methods for integral equations on polygons, in: Innovative Numerical Methods in Engineering, ed. R.P. Shaw et al, Proceed. 4th International Symposium, Georgia Tech, Atlanta, GA, 1986, Springer Verlag, Berlin, New York (1986) 43-50 (with M. Costabel)
  28. A boundary element method for three-dimensional crack problems, in: Innovative Numerical Methods in Engineering, ed. R.P. Shaw et al., Proceed. 4th International Symposium, Georgia Tech, Atlanta, GA, 1986, Springer Verlag, Berlin, New York (1986) 351-359 (with M. Costabel)
  29. The boundary integral method for two-dimensional screen and crack problems, Boundary Element Methods in Engineering, BEM 84, ed. C.A. Brebbia, Springer Verlag, Berlin, 1984, 16 pages (with W. Wendland)
  30. The method of Mellin transformation for boundary integral equations on curves with corners, Numerical Solution of Singular Integral Equations (ed. A. Gerasoulis, R. Vichnevetsky) IMACS, 95-102 (1984) (with M. Costabel)
  31. An integral equation formulation for a boundary value problem of elasticity in the domain exterior to an arc. Proceeding of Oberwolfach Conference on Singularities, (eds. P. Grisvard, W.L. Wendland, J.R. Whiteman), 1984, 13 pages (with G.C. Hsiao and W. L. Wendland)
  32. Solution procedure for interface problems in acoustics and electro-magnetics. CISM Courses and Lectures No. 277, ed. P. Filippi, (1983), 291-348
  33. Zur Randintegralmethode für das erste Fundamentalproblem der ebenen Elastizitätstheorie auf Polygongebieten. (On the boundary integral method for the first fundamental problem in elasticity on polygonal domains). In: Recent Trends in Mathematics, Conference in Reinhardsbrunn October 1982, Teubner-Texte zur Mathematik 50 (1982) 56-68 (with M. Costabel and W.L. Wendland)
  34. Theoretical and experimental asymptotic convergence of the boundary integral method for a plane mixed boundary value problem, Boundary Element Methods in Engineering, ed. A. Brebbia, Springer Verlag, Berlin, 1982, 3-17 (with U. Lamp, T. Schleicher and W.L. Wendland)
  35. A simple layer potential method for three-dimensional eddy current problems, in Ordinary and Partial Differential Equations, Dundee (1982) (ed. by W.N. Everitt and B.D. Sleeman), Lecture Notes in Mathematics Vol. 964 Springer Verlag, Berlin, 1982, p. 477-484 (with R.C. MacCamy)
  36. The boundary integral method for a mixed boundary problem in a polygonal domain. Advances in Computer Methods for Partial Differential Equations-IV, IMACS, 300-304 (1981) (with M. Costabel)
  37. The boundary integral method for a plane mixed boundary value problem. Advances in Computer Methods for Partial Differential Equations-IV, IMACS 223-229 (1981) (with U. Lamp, K.T. Schleicher, W.L. Wendland)
  38. Boundary integral methods for mixed boundary value problems. In: ed. R. Shaw et al. Innovative Numerical Analysis for the Engineering Sciences, University Press of Virginia, Charlottesville 1980, 543-554 (with W.L. Wendland)

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