Abstract
A method of computing driving tractions for phase transformations is presented. The driving traction calculation requires evaluating the jump in the displacement gradient and the average stress acting across the interface. A bimaterial Green's function is used in a boundary element formulation for the calculation. The Green's function satisfies all interface boundary conditions for the bimaterial providing an efficient formulation for evaluating the necessary jump and average interface terms. We derive a boundary integral equation for calculating the driving traction and apply the developed numerical tool to driving traction calculations in copper-aluminum-nickel.
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