弹塑性结构在外载和温度作用下的安定分析*
Shakedown Analysis of Elasto-Plastic Structures Subjected to External Loading and Temperature Variation
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摘要: 本文在考虑外载和温度的缓慢变化下,提出了一个新的运动安定定理。同时,在此基础上,又导出了既简单又适用的增量破坏准则。文末也以实例说明了它的应用。Abstract: A new kinematical shakedown theorem is presented under the consideration that external load and temperature change slowly. Anincremental collapse criterion, which is simple and applicable, is also derived based on the theorem. In the end of this paper,its application is illustrated by an example.
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Key words:
- plastic deformation /
- incremental collapse /
- kinematical shakedown theorem
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[1] 王仁等，《塑性力学基础》，科学出版社(1980). [2] 杜森田.徐秉业，考虑外载和温度灼运动安定定理，固体力学学报，11(2)(1990) [3] J. A. Konig, On upper bounds to shakedown loads, ZAMM, 59 (1979), 349-354. [4] M. Kleiber and J. A. Konig, On a new method of shakedown analysis, Computer Methods in Applied Mechanics and Engineering, 33 NHPC (1982), 487-556. [5] W. T. Coiter, Progress in Sofid Mechanics, NorthHolland Publishing Company, Amsterdam, 1 (1960), 202-213. [6] 熊祝华、洪善桃，《塑性力学》，上海科技出版社(1984), 149-152. [7] 徐芝纶.《弹性力学》，人民教育出版社(1982). [8] 杜森田、徐秉业、潘立功，用摄动法分析准静态载荷下弹塑性结构的安定问题.力学学报，23(6)(1991). -
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