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Inversion of Circular Shaped Flaw in Rod with Inverse Born Approximation
Author(s): 
Pages: 572-576
Year: Issue:  4
Journal: CHINESE JOURNAL OF APPLIED MECHANICS

Keyword:  Born近似形状因子特征函数反演散射;
Abstract: 在三维弹性波散射问题的Born近似解基础上,进一步分析了在纵波入射条件下二维散射问题的Born近似解,对铝质长杆中的椭圆形空穴缺陷的散射场情况进行了对比分析;最后,提出了在低频下识别缺陷几何特征的二维逆Born近似法,并用此法对铝质长杆中的圆形空穴缺陷作了计算机模拟.
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