云纹图像计算机处理系统用于塑性变形过程的实验解析法研究  

INVESTIGATION OF COMPUTER MOIRE PATTERNPROCESSING SYSTEM AND ITS APPLICATION FORANALYSES OF STRESS AND STRAIN DISTRIBUTIONIN PLASTICALLY DEFORMED SPECIMEN

作　　者：曹康[1] 周贤宾 钟约先[1] 曹起骧[1] 周忠良[1] 

机构地区：[1]北京般空航天大学,清华大学

出　　处：《塑性工程学报》1994年第4期3-10,共8页Journal of Plasticity Engineering

摘　　要：本文将计算机数字图像处理技术运用到云纹实验解析法研究，论述了云纹图像计算机自动处理系统建立的具体途径和关键问题，为物理模拟和解析法相结合的“云纹半解析法”提供了一种信息处理的新途径。文章以平面塑性压缩试验为例，介绍了新建立的计算机自动处理系统的使用过程，验证了本系统的正确性。In this paper,the digital computer processing technique is applied to the strain-stress analysis ofplastic deformation.The paper discusses key problems and special ways of developing such moire pattern processing system.It is a new way of combining experimental mechanics with calculative mechanics in the studyof metal forming problems.The new developed computer automatic processing system is verified and successfully applied to solving plane-strain deformation problem.

关 键 词：塑性变形 图像处理 计算机 塑性成形 云纹图像 

分 类 号：TG111.7[金属学及工艺—物理冶金]