| MSC.Patran中能量法计算断裂力学参数的应用 |
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| 引用本文： | 张允涛. MSC.Patran中能量法计算断裂力学参数的应用[J]. 科学技术与工程, 2011, 11(32) |
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| 作者姓名： | 张允涛 |
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| 作者单位： | 上海飞机设计研究院强度部,上海,200232 |
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| 摘 要： | 本文介绍了有限元中能量法，包括虚拟裂纹闭合法（VCCM）及等效区域J积分（EDI）计算线弹性断裂力学参数的思路；使用PCL语言在MSC.Patran中开发了能量法计算应力强度因子的模块，该模块可用于任意二维线弹性断裂力学参数的求解，最后通过算例验证了该模块的计算结果，并讨论了网格对计算精度的影响。
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| 关 键 词： | 虚拟裂纹闭合法（VCCM），等效区域J积分（EDI），应力强度因子，PCL，MSC.Patran |
| 收稿时间： | 2011-08-29 |
| 修稿时间： | 2011-09-02 |
Application of energy method for calculating stress intensity factors in MSC.Patran |
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| zhangyuntao. Application of energy method for calculating stress intensity factors in MSC.Patran[J]. Science Technology and Engineering, 2011, 11(32) |
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| Authors: | zhangyuntao |
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| Affiliation: | ZHANG Yun-tao(Stress Department Shanghai Aircraft Design and Research Institute,Shanghai 200232,P.R.China) |
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| Abstract: | The energy methods including Virtual Crack Closure Method (VCCM) and Equivalent Domain Integral Method(EDI) for calculating fracture parameters in Linear Elastic Mechanics were investigated. Then, the module for stress intensity factor calculation based on energy methods was established by Patran Command Language(PCL).This module can be used in two-dimensional cracked elastic bodies generally. Finally, an example was given to validate the module, meanwhile, grid size affects the precision of results was discussed. |
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| Keywords: | Virtual Crack Closure Method (VCCM) Equivalent Domain Integral Method(EDI) stress intensity factors PCL MSC.Patran |
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