Abstract

If initial temperature is assumed to be constant, a domain integral is not required for solution of unsteady thermal stress problems without heat generation using the boundary element method (BEM). However, under heat generation or nonuniform initial temperature distribution, the domain integral is necessary. In this report it is shown that the problem of unsteady heat conduction with heat generation and nonuniform initial temperature can approximately be solved without use of the domain integral by a triple-reciprocity boundary element method. In this method, the distribution of heat generation and initial temtepature are interpolated by using integral equation.

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