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  5. Variational Dynamics for Discrete Screw Dislocations Along Glide Directions

Variational Dynamics for Discrete Screw Dislocations Along Glide Directions

来源 :第八届工业与应用数学国际大会 | 被引量 : 0次 | 上传用户：ytrewq123456
【摘 要】
：
　　We consider a basic zero temperature model for screw dislocations in discrete lattices.Using a discrete-in-time variational scheme,we study the motion of di
【作 者】
：
DeLucaLucia; 
【机 构】
：
Technical Univ.Munich
【出 处】
：
第八届工业与应用数学国际大会
【发表日期】
：
2015年期
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论文部分内容阅读
　　We consider a basic zero temperature model for screw dislocations in discrete lattices.Using a discrete-in-time variational scheme,we study the motion of dislocations in the dilute regime,towards low energy configurations.Letting the spacing and time parameters go to zero,we deduce an effective fully overdamped dynamics predicting motion along the glide directions of the crystal.
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