Time discontinuous linear traction approximation in time-domain BEM scalar wave propagation analysis

被引：0

作者：

Mansur, WJ ^{[1
]}

Carrer, JAM ^{[1
]}

Siqueira, EFN ^{[1
]}

机构：

[1] UFRJ, COPPE, Dept Civil Engn, BR-21945970 Rio De Janeiro, Brazil

来源：

INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING | 1998年 / 42卷 / 04期

关键词：

time-domain BEM; wave equation; time discontinuous tractions;

D O I：

10.1002/(SICI)1097-0207(19980630)42:4<667::AID-NME380>3.0.CO;2-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the present paper the traditional BEM formulation for time-domain scalar wave propagation analysis is extended to a new class of problems. A procedure to consider linear time interpolation for boundary tractions is worked out. Time discontinuities are included by adding to the standard BEM equation the integral equation for velocities. Numerical examples are presented in order to assess the accuracy of the proposed formulation. (C) 1998 John Wiley & Sons, Ltd.

引用

页码：667 / 683

页数：17

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