| 焦散线法在确定I型应力强度因子应用中的限制 |
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| 引用本文： | 张福保.焦散线法在确定I型应力强度因子应用中的限制[J].复旦学报(自然科学版),1994(6). |
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| 作者姓名： | 张福保 |
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| 作者单位： | 复旦大学应用力学系 |
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| 摘 要： | 研究了平面应力焦散线有效性的一些限制．当施加载荷、试件尺寸、光学装置的特征长度等物理量满足一定的条件时，得到的应力强度因子ＫＩ值是正确的，否则很可能是错误的．
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| 关 键 词： | 焦散线法 应力强度因子 平面应力 |
Limits of the method of caustics in mode Istress intensity factor evaluation |
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| Zhang Fubao.Limits of the method of caustics in mode Istress intensity factor evaluation[J].Journal of Fudan University(Natural Science),1994(6). |
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| Authors: | Zhang Fubao |
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| Institution: | Department of Applied Mechanics |
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| Abstract: | This paper studies some limits of validity of plane stress caustics. whenthe applied loads,specimen dimensions and characteristic lengths of the opticalarrangement satisfy certain conditions the values of stress intensity factor K1 abtainedare accurate, otherwise are likely erroneous. |
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| Keywords: | ethod of caustics stress intensity factor plane stress |
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