LI Xiang-lin,YUE Wen-xia,ZHAN Hai-yi(1.School of Architectural Engineering,Nanchang University,Nanch ang 330029,China;2.School of Natural Science,Nanchang Engineering Insti tute,Nanchang 330029,China)
Abstract：Palaniswamy’s fracture criterion on release rate of energ y is extended to anisotropic materials.It considers that a crack will develop a long the lines of maximal release rate of energy.A release rate of energy of a main crack top is derived by computin
2006, Vol. 28 