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  • An iterative FEM for solving elastodynamic problems of a halfspace
    Premrov, Miroslav, 1967- ; Špacapan, Igor, 1946-
    A new iterative finite element method for solving elastodynamic problems of a halfspace is presented in this paper. The halfspace is first truncated by introducing an fictive finite boundary on which ... some fictive boundary conditions must be imposed. A finite computational domain is in each iteration subjected to actual boundary conditions on real boundary and to fictive Dirichlet or Neumann boundary conditions on the fictive boundary. The solution of this internal problem is then projected on the DtN operator, which represents a halfspace outside of the fictive boundary. So new fictive Dirichlet and Neumann boundary conditions for the next iteration are obtained. A convergence of the method is good and it depends on the location of the fictive boundary and on the selected DtN operator. In this paper the method is presented on simple non-symmetric problems.
    Vir: Short communications in mathematics and mechanics, section 1-24 (additonal issue), Annual Meeting, University of Göttingen, Germany, April 2-7, 2000 (Str. S977-S978)
    Vrsta gradiva - prispevek na konferenci
    Leto - 2001
    Jezik - angleški
    COBISS.SI-ID - 6826262

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