均质多岩层褶皱的大变形数值模拟

基金项目:

煤炭科学基金资助项目：94地20816

详细信息

LARGE DEFORMATION NUMERICAL MODELING OF HOMOGENOUS MUTI-LAYERS FOLDS

1. Xi'an Branch, CCRI; 2. Beijing Graduate School, China University of Mining and Technology; 3. Communication University of North China

摘要: 利用杆件大变形力学理论,对均质多岩层在力作用下褶皱的形成过程及结果进行了数值模拟,结果表明当岩层受力两端边界条件对称时,产生的褶皱是对称的;当边界条件不对称时,产生的褶皱是不对称的,揭示了对称与不对称褶皱产生的力学成因,同时也表明,大变形力学理论在地质构造模拟方面有着良好的应用前景。
- 褶皱 /
- 变形 /
- 数值模拟
Abstract: On the basis of beam large deformation theory, the paper promotes the large deformation numerical modeling of homogenous muti-layers folding process and results. The results show that the fold is symmetrical when the boundary of two-side pushing is symmetrical; the fold is non-symmetrical when it is non-symmetrical. It brings to light the mechanical reason of folds. The results also show that large deformation mechanics theory has a bright future in the modeling research of tectonics.
- folds /
- deformation /
- numerical simulation