This work was supported by the National Natural Science Foundation of China (Grant Nos. 19872065 and 19732060); the project KGCX1-11 supported by the Chinese Academy of Sciences Foundation.
A material model, whose framework is parallel spring-bundles oriented in 3-D space, is proposed. Based on a discussion of the discrete schemes and optimum discretization of the solid angles, a 3-D network cell consist...
Key project from China Seismological Bureau (9691309020301); State Natural Sciences Foundation of China (19732060).
Rock experiment results indicate that the load/unload response ratio (LURR) of rocks expressed via strain energy may have singular or negative value after the stress in the rock reaches its maximum before rock failure...
National Natural Science Foundation of China !( 19870 2 65 ,1973 2 0 60 ) ;Chinese Academ y of Sciences Foundation
The present paper continues the discussion in Part I. Model and Formulation. Based on the theory proposed in Part I, the formulae predicting stiffness moduli of the composites in some typical cases of whisker orie...
National Natural Science Foundation of China !( 19870 2 65 ,1973 2 0 60 ) ;Chinese Academ y of Sciences Foundation
Based on study of strain distribution in whisker reinforced metal matrix composites, an explicit precise stiffness tensor is derived. In the present theory, the effect of whisker orientation on the macro property of c...
Project supported by the National Natural Science Foundation of China (Grant Nos. t9872065 and 19732060) and the Chinese Academy of Sciences.
Aimed at brittle composites reinforced by randomly distributed short-fibers with a relatively large aspect ratio, stiffness modulus and strength, a mesoscopic material model was proposed. Based on the statistical desc...