| 有限元软件模拟裂纹扩展的方法探讨 |
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| 引用本文： | 俞树荣,严志刚,曹睿,陈剑虹. 有限元软件模拟裂纹扩展的方法探讨[J]. 甘肃科学学报, 2003, 15(4): 15-21 |
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| 作者姓名： | 俞树荣 严志刚 曹睿 陈剑虹 |
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| 作者单位： | 兰州理工大学,石油化工学院,甘肃,兰州,730050 |
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| 基金项目： | 国家自然科学基金(59871015)，甘肃省自然科学基金(ZS021-A25-016-G) |
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| 摘 要： | 针对采用有限元法在模拟裂纹扩展所遇到的问题，探讨了模型的建立、网格的划分、断裂准则的应用以及网格重组技术的运用。
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| 关 键 词： | 有限元 断裂准则 网格重组 断裂 |
| 文章编号： | 1004-0366(2003)04-0015-07 |
| 修稿时间： | 2003-04-20 |
STUDY ABOUT THE METHOD OF CRACK GROWTH MODELED BY FINITE ELEMENT METHOD |
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| YU Shu-rong,YAN Zhi-gang,CAO Rui,CHEN Jian-hong. STUDY ABOUT THE METHOD OF CRACK GROWTH MODELED BY FINITE ELEMENT METHOD[J]. Journal of Gansu Sciences, 2003, 15(4): 15-21 |
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| Authors: | YU Shu-rong YAN Zhi-gang CAO Rui CHEN Jian-hong |
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| Abstract: | The crack growth modeled by the FEM in two dimensions has encountered several problems, such as the establishment of models, the classification of grids meshed, the application of the fracture criterion and the grid|rebuilt technique. All these are discussed in our paper. |
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| Keywords: | finite element method fracture criterion grids rebuilt fracture |
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