Thermo-elastoplastic Analysis Without Cells By
Triple-reciprocity BEM
Author(s)
Y Ochiai
Abstract
In general, internal cells are required to solve thermo-elastoplastic 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 the elastoplasticity problems, because the distribution of initial strain or
initial stress cannot be determined analytically. In this paper, we show that
two-dimensional thermo-elastoplasticity problems can be solved without the use
of internal cells, by using the triple-reciprocity boundary element method and a
thin plate spline. An initial strain formulation is adopted and the initial strain
distribution is interpolated using boundary integral equations and a thin plate
spli
Keywords
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