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Author(s): J.A.M. Carrer & W.J. Mansur
Abstract:
nd time derivatives in transient
BEM analysis of scalar wave propagation
problems
J.A.M.
Carrer & W.J.
Mansur
Department of Civil Engineering, COPPE/Universidade
Federal do Rio de Janeiro, Caixa Postal 68506,
CEP
ABSTRACT
The expressions for space and time derivatives of
Volterra's integral representation of the scalar wave
equation are obtained by employing the concept of
finite part of an integral.
In order to verify the
accuracy of the formulation, a numerical example is
presented.
INTRODUCTION
One of the most interesting applications of the BEM
is, perhaps, concerned with the solution of transient
elastodynamic and transient scalar wave problems.
After the implementation carried out by Mansur [1],
many practical applications have appeared in the
literature, consolidating the BEM as a powerful tool
to be used in this area of research; e.g.
Antes and
Von Estorff [2], Dominguez and Gallego [3] and Mansur
and DeLima-Silva [4],...
Pages: 8
Size: 427 kb
Paper DOI: 10.2495/FD940171
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