Prof. Dr. Ernst P. Stephan

 

Major Research Interests concerning QUEST:

High-precision geodesy: for efficient solution of huge systems of equations in gravity field determination dedicated approaches shall be developed, e.g. use of Schwarz preconditioners for iterative solvers.

 

Selected Publications:

  • M. Maischak, E. P. Stephan
    Adaptive h-p versions of BEM for Signorini problems
    Appl. Numer. Math. 54 (2005), 425–449.
  • 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.
  • C. Carstensen, E. P. Stephan
    A posteriori error estimates for boundary element methods
    Math. Comp. 64 (1995), 483–500.
  • J. Gwinner, E. P. Stephan
    A boundary-element procedure for contact problems in plane linear elastostatics
    RAIRO-Math. Model. Numer. Anal. 27 (1993), 457–480.
  • E. P. Stephan, W. Wendland
    A hypersingular boundary integral method for 2-dimensional screen and crack problems
    Arch. Rat. Mech. Anal. 112 (1990), 363–390.999
  • I. Babuška, 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.
  • 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.
  • T. von Petersdorff, E. P. Stephan
    Decompositions in edge and corner singularities for the solution of the Dirichlet problem of the Laplacian on a polyhedron
    Math. Nachrichten 149 (1990), 71–104.
  • E. P. Stephan
    Boundary integral equations for screen problems in R3
    Journal of Integral Equations and Operator Theory 10 (1987) 236–257.
  • M. Costabel, E. P. Stephan
    A direct boundary integral equation method for transmission problems
    Journal of Mathematical Analysis and Applications 106 (1985) 367–413.