基于相容方程的静态光弹性-数值计算混合法主应力分离研究  

Investigation on Separating Principal Stress by Photoelasticity-computation Hybrid Method Based on Compatibility Equation

作　　者：杨国标[1] 李松刚[1] 池瑛斌 张林春[1] 朱启荣[1] 曾伟明[1] 

机构地区：[1]同济大学航空航天与力学学院,上海200092

出　　处：《现代科学仪器》2015年第5期56-58,72,共4页Modern Scientific Instruments

基　　金：国家自然科学基金（11272239）

摘　　要：针对光弹性法的主应力分离问题以及相关的实验技术展开研究，基于相容方程，将光弹性法与数值计算方法结合起来，进行主应力分析研究。该方法融合光弹性法与数值计算方法的优点，适用于一般模型的光弹性实验的受力分析和主应力分离。选用了圆盘试件进行光弹性实验及主应力分离，通过结果分析和对比，验证了该方法的可靠性和准确性。For the separation of principal stress problems and relevant experiment technology, the photoelastic method combined with numerical calculation method can study principal stress analysis based on the compatibility equation. The method combines the advantages of photoelastic method and numerical calculation method, is applied to the general model of photoelastic experiment stress analysis and principal stress separation. The disk specimen selected to photoelastic experiments and principal stress separation, this method is reliable and accurate by the analysis and comparison.

关 键 词：光弹性法 数值计算 混合法 主应力分离 

分 类 号：O347[理学—固体力学]