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This contribution deals with the numerical simulation of dislocation dynamics by means of parametric mean curvature flow. Dislocations are described as an evolving family of closed and open smooth cur...ves driven by the normal velocity. The equation is solved using direct approach by semi-discrete scheme based on finite difference method. Numerical stability is improved by tangential redistribution of curve points which allows long time computations and better accuracy. Our method contains an algorithm which allows topological changes. The results of the simulation of a dislocation and precipictate interaction are presented.続きを見る
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1.Introduction 2.Dislocations and mean curvature flow 3.Parametric description 4.Numerical scheme 5.Simulation of precipitate and dislocation interaction. 6.Conclusion
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