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Creation and Application of Hierarchical Sequence of Material Models for Numerical Analysis of Elasto-Plastic Structures

机译:弹塑性结构数值分析的材料模型层次序列的创建和应用

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摘要

The problem of the universal and reliable description of elasto-plastic behaviour of complex structures under combined variable loading is considered. The strategy of multimodel analysis, which consists of creation and application of the hierarchical sequence of material models is described. A unified general form of constitutive equations is presented for all used elasto-plastic models based upon the concept of internal state variables. Application of different material models is considered both for material element and for complex structures subjected to non-proportional loading.
机译:考虑了复杂的组合荷载作用下复杂结构弹塑性行为的通用可靠描述问题。描述了多模型分析策略,该策略包括创建和应用材料模型的分层序列。基于内部状态变量的概念,为所有使用的弹塑性模型提供了统一的本构方程形式。对于材料单元和承受非比例载荷的复杂结构,都应考虑使用不同的材料模型。

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