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Meshless Unsteady Thermo-Elastoplastic Analysis by Triple-Reciprocity Boundary Element Method

Yoshihiro OCHIAI1

Kinki University

Computer Modeling in Engineering & Sciences 2011, 79(2), 83-102. https://doi.org/10.3970/cmes.2011.079.083

Abstract

In general, internal cells are required to solve unsteady thermo-elasto -plastic problems using a conventional boundary element method (BEM). However, in this case, the merit of BEM, which is the easy preparation of data, is lost. The conventional multiple-reciprocity boundary element method (MRBEM) cannot be used to solve thermo-elastoplastic problems, because the distribution of initial stress cannot be determined analytically. In this paper, it is shown that two-dimensional unsteady thermo-elastoplastic problems can be solved without the use of internal cells by using the triple-reciprocity BEM and a thin plate spline. The initial stress formulation is adopted and the initial stress distribution is interpolated using boundary integral equations and a thin plate spline. A new computer program was developed and applied to several problems.

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Cite This Article

APA Style
OCHIAI, Y. (2011). Meshless unsteady thermo-elastoplastic analysis by triple-reciprocity boundary element method. Computer Modeling in Engineering & Sciences, 79(2), 83-102. https://doi.org/10.3970/cmes.2011.079.083
Vancouver Style
OCHIAI Y. Meshless unsteady thermo-elastoplastic analysis by triple-reciprocity boundary element method. Comput Model Eng Sci. 2011;79(2):83-102 https://doi.org/10.3970/cmes.2011.079.083
IEEE Style
Y. OCHIAI, "Meshless Unsteady Thermo-Elastoplastic Analysis by Triple-Reciprocity Boundary Element Method," Comput. Model. Eng. Sci., vol. 79, no. 2, pp. 83-102. 2011. https://doi.org/10.3970/cmes.2011.079.083



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