光弹性力学应力分析的新方法
A New Method of Stress Analysis in Photoelasticity
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摘要: 本文提出的光弹性应力分析方法,仅已知三个截面的等差线条纹级数及其边界上的主应力方向角,就可进行应力分析,不仅极大地减少了输入的已知数据和简化了计算程序,而且提高了应力分析精度,加快了计算速度.Abstract: A new method of stress analysis in photoelasticity has been developed in this paper. Only the orders of isochromatic fringes and boundary conditions in three sections are adopted to analyse the stress components in these sections. The method requires minimum known data and can quickly analyse stress components. It reduces computational programs.
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[1] 赵元民,《函数逼近方法》,黑龙江科学技术出版社(1981). [2] 陈至达,《根据应力光图直接求解弹性力学平面问题》,力学学报,5, 3 (1962). [3] Bajpai, A.C.,I.M. Calus and J. A.Fairley,Numerical Meihods for Engineers and Scientists, Addison-Welsley Publishing Company(1s77). [4] 武汉大学和山东大学计算数兰教研室编,《计算方法》,人民教育出版社(1978). -
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