Abstract
In this paper, we will try to obtain a force exerted on dislocation, represented by Peach-Koehler equation, using finite element dislocation model. This model is a useful method to analyze dislocation problems with complicated boundary conditions and configurations, proposed before by one of the authors. The force can be obtained by a concept that a reduction of potential energy of external force equals to a work exerted on dislocation, firstly proposed by Peach and Koehler. We also try to obtain the force by same concept in numerical analysis.
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