空间桁架结构大应变和材料损伤和塑性模型非线

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空间桁架结构大应变和材料损伤和塑性模型非线性分析
The objective of this paper is to present in detail theoretical and numerical aspects of the behavior of spatial trusses undergoing large displacements and strains. Nonlinear material behavior is taken into account, allowing for the development of finite plastic strains and damage. Both theoretical and algorithmic tangent moduli are derived and a finite element approach is used to solve the nonlinear boundary value problem. Key examples are chosen to explore the various featuresof themodeland to highlight the interplay betweenplasticity anddamage.
2004 Elsevier B.V. All rights reserved.

关键字：空间  模型  结构论文，结构工程 - 结构论文