随机固-热耦合模型与岩石热破裂数值试验研究

1. 大连轻工业学院 信息科学与工程学院，大连 116034；2. 辽宁工程技术大学 力学与工程科学系，辽宁 阜新 123000

Random solid-head coupled model and numerical tests on hot cracking of rocks

In consideration of difference in micro-structure of rocks, the paper presents random non-homogeneous solid-head coupled model and FEM concerned, and then in consideration of the random non-homogernity of thermal dilation and conduction coefficients, plane stain model, For example of granite, assumed thermal dilatability and thermal conduction with uniform distributing, Gauss distributing, Weibull distributing, based on a lot of numerical experiments, study on the hot cracking threshold of rock, conclusions of random distributing function and parameter and time influence to thermal cracking law and temperature threshold is presented.