INVESTIGATION ON VIRTUAL CRACK EXTENSION METHOD FOR J-INTEGRAL PARAMETER CALCULATIONS IN HETEROGENEOUS WELDED JOINT

›› 1995, Vol. 31 ›› Issue (5): 109-115.

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INVESTIGATION ON VIRTUAL CRACK EXTENSION METHOD FOR J-INTEGRAL PARAMETER CALCULATIONS IN HETEROGENEOUS WELDED JOINT

Yang Xinqi;Huo Lixing;Zhang Yufeng

Tianjin University

Published:1995-09-01

Abstract

Abstract: The virtual crack extension (VCE) method proposed by Parks and Delorenzi was extended and applied to the heterogeneous welded joints, and the three-dimensional (3D) elastic-plastic finite element program for J-integral calculations by VCE method is established based on plane analyses, the applicability of this method in welded joints is thoroughly examined. Besides, the 3D distribution of J-integral along the crack front in welded joints is discussed.

Key words: Finite element, Heterogeneous, J-integral, VCE method

Yang Xinqi;Huo Lixing;Zhang Yufeng. INVESTIGATION ON VIRTUAL CRACK EXTENSION METHOD FOR J-INTEGRAL PARAMETER CALCULATIONS IN HETEROGENEOUS WELDED JOINT[J]. , 1995, 31(5): 109-115.

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INVESTIGATION ON VIRTUAL CRACK EXTENSION METHOD FOR J-INTEGRAL PARAMETER CALCULATIONS IN HETEROGENEOUS WELDED JOINT

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