A Linear CCD (change coupled device)automated measurement system and the stress analysis methods are presented in the present paper.The skeleton and the ordersof photoelastic fringes can be acquired rapidly,precisely ...A Linear CCD (change coupled device)automated measurement system and the stress analysis methods are presented in the present paper.The skeleton and the ordersof photoelastic fringes can be acquired rapidly,precisely and in real time by the sy-stem.The automatic stress analysis methods in the paper only uses a small amount ofknown data to analyze the stress precisely.展开更多
A mixed method of solution for contact stresses on rollers was suggested by the combina- tion of similitude principle.photoelastic method,Hertz's contact theory and numerical calculation.Thus,not only the distribu...A mixed method of solution for contact stresses on rollers was suggested by the combina- tion of similitude principle.photoelastic method,Hertz's contact theory and numerical calculation.Thus,not only the distribution regularity of axial contact pressure on roller of limited length,but also the three-dimensional solution of stresses in the contact po- sitions may be obtained.An actual example is presented in the paper.It shows that the practical damaged phenomenon in real roller is in agreement with the result of the analysis展开更多
文摘A Linear CCD (change coupled device)automated measurement system and the stress analysis methods are presented in the present paper.The skeleton and the ordersof photoelastic fringes can be acquired rapidly,precisely and in real time by the sy-stem.The automatic stress analysis methods in the paper only uses a small amount ofknown data to analyze the stress precisely.
文摘A mixed method of solution for contact stresses on rollers was suggested by the combina- tion of similitude principle.photoelastic method,Hertz's contact theory and numerical calculation.Thus,not only the distribution regularity of axial contact pressure on roller of limited length,but also the three-dimensional solution of stresses in the contact po- sitions may be obtained.An actual example is presented in the paper.It shows that the practical damaged phenomenon in real roller is in agreement with the result of the analysis