首页> 外文会议>International Conference on Proceeding amp; Manufacturing of Advanced Materials; 20060704-08; Vancouver(CA) >Multifield Potentials and Derivation of Extremum Principles in Rate Plasticity
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Multifield Potentials and Derivation of Extremum Principles in Rate Plasticity

机译:速率可塑性的多场势和极值原理的推导

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摘要

Multifield potentials and extremum theorems are investigated with reference to evolutive processes in rate-dependent plasticity. A general strategy is followed by casting the non-linear field equations and the constitutive multivalued equations into a rate-dependent plastic structural operator governing the model problem. By following a consistent procedure multifield potentials are derived which govern the evolutive problem in rate plasticity. A multifield variational principle is presented which is able to provide the support for a variationally consistent development of computational algorithms in finite element applications.
机译:参照速率依赖性可塑性的演化过程,研究了多场势和极值定理。遵循通用策略后,将非线性场方程和本构多值方程转换为用于控制模型问题的速率相关塑性结构算子。通过遵循一致的程序,得出了多场电势,它控制了速率可塑性方面的发展问题。提出了一种多域变分原理,该原理能够为有限元应用中计算算法的变分一致开发提供支持。

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