程耿东
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分段线性材料桁架的位移灵敏度
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Indexed by:期刊论文

Date of Publication:1998-02-28

Journal:工程力学

Included Journals:PKU

Issue:01

Page Number:1-9

ISSN No.:1000-4750

Key Words:结构优化;分段线性材料;灵敏度;准则法

Abstract:本文推导了分段线性材料桁架结构的位移对截面积的灵敏度,并给出三杆桁架实例。指出了在材料性质发生突变处位移对截面积的灵敏度不连续、位移等值面不光滑;讨论了采用准则法求解优化问题时的灵敏度计算和迭代公式,旨在指出文献中的错误。

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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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