考虑瞬态效应的蠕变本构模型的有限元实现

Engineering Mechanics 2019 Pub Date : 2019-05-13 DOI:10.21495/71-0-121

D. Gabriel, J. Masák, J. Plešek, L. Kloc, P. Dymáček

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引用次数: 0

摘要

在有限元程序PMD (Package for Machine Design)中实现了包含瞬态效应的复杂蠕变本构模型。采用单轴应力加载方法对p- 91型抗蠕变钢材料模型进行了验证，并进行了计算机仿真。采用有限元法对试验杆进行离散化，并施加单轴应力和恒温载荷，验证了本文的解析解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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FINITE ELEMENT IMPLEMENTATION OF CREEP CONSTITUTIVE MODEL INCLUDING TRANSIENT EFFECTS

: A complex creep constitutive model including transient effects was implemented in the ﬁnite element code PMD (Package for Machine Design). The material model for P-91-type creep-resistant steel together with computer implementation was veriﬁed by means of uniaxial stress loadings. Testing bar was discretized by the ﬁnite element method (FEM) and loaded with uniaxial stresses and constant temperatures that were used to demonstrate the analytical solutions in original paper.

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Engineering Mechanics 2019

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