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拉格朗日公式
[数] lagrange formula
- 基于更新的拉格朗日公式，建立了热-机械耦合的平面应变大变形正交切削模型。
A coupled thermo-mechanical plane strain larger deformation orthogonal cutting model is developed on the basis of updated Lagrangian formulation in this paper. - 首先给出了纠正的拉格朗日有限元公式和基于弹塑性乘法分解的超弹性塑性本构关系。
Updated Lagrangian formulations and hyperelastic-plastic constitutive relations based on elastoplastic multiplicative decomposition of the deformation gradient tensor are given first of all. - 与常用的拉格朗日插值方法相比，改进后的公式不仅一阶导数形式简单，而且计算量也小得多。
The improved formula not only has the more simple form for the derivation of the function, but also much less computer time than the Lagrange method.
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