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G.X. Zhang+, Y. Sugiura+, H. Hasegawa+ and F.Q. Chen#

+River Technology Department, I.N.A. Corporation, Tokyo, Japan
#Department of Hydraulic Engineering, Tsinghua University, Beijing, China

doi:10.4203/ccp.66.3.5

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G.X. Zhang, Y. Sugiura, H. Hasegawa, F.Q. Chen, "Crack Propagation by Manifold and Singular Boundary Element Method", in B.H.V. Topping, (Editor), "Computational Mechanics: Techniques and Developments", Civil-Comp Press, Edinburgh, UK, pp 61-68, 2000. doi:10.4203/ccp.66.3.5

Abstract

A second-order manifold method has been developed and is described. By means of the manifold method and a singular boundary element method proposed by the author, the failure process of a structure can be numerically analyzed. Mohr- Coulomb's law is employed as a criterion for new crack initiation, and maximum circumferential stress theory is used as criterion for the first and mixed mode (opening-shearing and closing-shearing) propagation of existing cracks. Comparison of the computed stress intensity factor with results obtained via the collocation method demonstrates the high predictive accuracy of the present method. Examples of our present method are presented.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 66 COMPUTATIONAL MECHANICS: TECHNIQUES AND DEVELOPMENTS Edited by: B.H.V. Topping Paper III.5 Crack Propagation by Manifold and Singular Boundary Element Method G.X. Zhang+, Y. Sugiura+, H. Hasegawa+ and F.Q. Chen# +River Technology Department, I.N.A. Corporation, Tokyo, Japan #Department of Hydraulic Engineering, Tsinghua University, Beijing, China doi:10.4203/ccp.66.3.5 purchase the full-text of this paper Full Bibliographic Reference for this paper G.X. Zhang, Y. Sugiura, H. Hasegawa, F.Q. Chen, "Crack Propagation by Manifold and Singular Boundary Element Method", in B.H.V. Topping, (Editor), "Computational Mechanics: Techniques and Developments", Civil-Comp Press, Edinburgh, UK, pp 61-68, 2000. doi:10.4203/ccp.66.3.5 Abstract A second-order manifold method has been developed and is described. By means of the manifold method and a singular boundary element method proposed by the author, the failure process of a structure can be numerically analyzed. Mohr- Coulomb's law is employed as a criterion for new crack initiation, and maximum circumferential stress theory is used as criterion for the first and mixed mode (opening-shearing and closing-shearing) propagation of existing cracks. Comparison of the computed stress intensity factor with results obtained via the collocation method demonstrates the high predictive accuracy of the present method. Examples of our present method are presented. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £76 +P&P)
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