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Author(s): S.E. Kattis, D. Polyzos & D.E. Beskos
Abstract:
response analysis of 3-D elastic
systems by an improved frequency domain
BEM
S.E.
Kattis", D.
Polyzos" & D.E.
Beskos*
^Department of Mechanical Engineering, University of
f a(m^, Pofma G^-gg^OO, Greece
^Department of Civil Engineering, University of Patras,
Greece
ABSTRACT
An improved boundary element methodology for the determination
of the dynamic response of 3-D elastic systems is presented.
The
method works in the frequency domain and employs continuous as
well as discontinuous quadratic quadrilateral 9-node elements in
order to accurately treat corners, edges, region interfaces and
discontinuities in boundary conditions.
Advanced integration
techniques are used for the computation of singular, nearly singular
and hypersingular integrals for increased accuracy.
Presently only
problems associated with harmonic dynamic disturbances can be
treated by the method.
Numerical examples are presented dealing
with wave diffraction in the infinite space ...
Pages: 8
Size: 833 kb
Paper DOI: 10.2495/BE940571
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