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Author:

管大椿 (管大椿.)

Indexed by:

CQVIP

Abstract:

用奇异等参元研究了三点弯曲梁中偏置折裂纹的应力强度因子。计算表明,用相应斜裂纹来代替折裂纹计算应力强度因子是更合理的。对β=25.5°的斜裂纹首次得出了拟合公式。本文还就缝端单元尺寸与过渡单元尺寸的选取以及联接单元的划分等影响计算结果精度的重要问题作了讨论。

Keyword:

应力强度因子 有限单元法 折裂纹

Author Community:

  • [ 1 ] 北京工业大学基础科学部

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Source :

北京工业大学学报

Year: 1994

Issue: 04

Page: 19-24

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: 15

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