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弹塑性离散结构的灵敏度分析
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Indexed by:期刊论文

Date of Publication:1992-01-01

Journal:大连理工大学学报

Included Journals:PKU、CSCD

Volume:32

Issue:5

Page Number:502

ISSN No.:1000-8608

Key Words:最优设计; 弹塑性; 灵敏度; 离散结构

Abstract:通过桁架实例说明了非线性结构响应对断面积的灵敏度,在材料刚度发生变化的点是不连续的;用传统的增量法不能准确地计算非线性响应灵敏度,用全局差分法计算非线性灵敏度也有特殊的困难。在分析其原因的基础上给出了非线性结构响应灵敏度值在间断点处跳跃值的算法公式,提出了增量法的修正公式。三杆桁架的例子被用来证明这些结论的正确性。

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Supervisor of Master's Candidates

Gender:Male

Alma Mater:丹麦技术大学

Degree:Doctoral Degree

School/Department:力学与航空航天学院

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