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Indexed by:期刊论文

Date of Publication:2012-04-01

Journal:JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY-TRANSACTIONS OF THE ASME

Included Journals:SCIE、EI、Scopus

Volume:134

Issue:2

ISSN No.:0094-4289

Key Words:mixed-mode Dugdale model; singular finite element; eigensolution; symplectic dual approach

Abstract:The symplectic dual approach is employed to obtain the analytical solutions of displacements and stresses around the mixed-mode Dugdale crack tip. Based on the analytical solutions, a novel singular finite element is developed to study the problem. The singular finite element can be applied to determine the sizes of crack tip opening/sliding displacement of a mixed-mode Dugdale model. Numerical results obtained by the present method show excellent agreement with the existing analytical solutions. [DOI: 10.1115/1.4006181]