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Author:

管大椿 (管大椿.) | 金江 (金江.) | 王慕 (王慕.)

Indexed by:

CQVIP PKU CSCD

Abstract:

为提高焦散线法求解应力强度因子的精度,提出了两种基于多点非线性最小二乘法的改进方法。文中推导了控制方程,编制了程序,阐述了实验技术。作为应用实例,对三种典型裂纹试件作了测试与处理。结果表明,用本文方法处理的结果比文[1]经典法的结果有很大改进。作者还对图像处理用于焦散线法应力强度因子的提取作了初步探讨[5

Keyword:

应力强度因子 非线性最小二乘法 焦散线法

Author Community:

  • [ 1 ] 北京工业大学

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Source :

实验力学

Year: 1996

Issue: 04

Page: 110-115

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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