| 位移不连续法在裂纹扩展仿真中的应用 |
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| 引用本文： | 卢海星,路晓波,韩保红.位移不连续法在裂纹扩展仿真中的应用[J].军械工程学院学报,2004,16(6):69-73. |
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| 作者姓名： | 卢海星 路晓波 韩保红 |
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| 作者单位： | 军械工程学院研究生院，军械工程学院科研部，军械工程学院基础部 河北石家庄 0 50 0 0 3，河北石家庄 0 50 0 0 3，河北石家庄 0 50 0 0 3 |
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| 摘 要： | 探讨了在应用位移不连续法仿真裂纹扩展时对加载方式、裂纹扩展长度及应力强度因子计算等问题的处理方法,并据此编制了仿真程序,分析了裂纹在单向压载作用下的扩展趋势和应力变化,具有一定的工程应用价值。
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| 关 键 词： | 裂纹扩展 DDM法 应力强度因子 |
| 文章编号： | 1008-2956(2004)06-0069-05 |
| 修稿时间： | 2004年7月13日 |
Application of Displacement Discontinuity Method on Simulation of Crack Growth |
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| LU Hai-xing,LU Xiao-bo,HAN Bao-hong.Application of Displacement Discontinuity Method on Simulation of Crack Growth[J].Journal of Ordnance Engineering College,2004,16(6):69-73. |
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| Authors: | LU Hai-xing LU Xiao-bo HAN Bao-hong |
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| Institution: | LU Hai-xing~1,LU Xiao-bo~2,HAN Bao-hong~3 |
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| Abstract: | The method is investigated to solve loading way, length of crack growth and calculation of stress intensity factor by using displacement discontinuity method on simulation of crack growth.The simulation program is drawn up,and the growth trend of the crack and stress change under load with single direction is also analyzed.It is proved by the experiment that the method is performed with a certain degree of reliability. |
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| Keywords: | crack growth DDM stress intensity factor |
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