期刊
ENGINEERING FRACTURE MECHANICS
卷 70, 期 15, 页码 2033-2058出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0013-7944(02)00258-8
关键词
complex variables; orthotropy; biaxial load; crack extension angle
类别
Of concern in this paper is the study of the elastostatic fracture response of an orthotropic plate with an inclined crack and subjected at infinity to a biaxial uniform load. To this end an unconventional approach to the derivation of the complex variable expressions of the elastic fields is proposed. The above formulation has been used to solve the boundary value problem as superposition of Mode-I and Mode-II crack problems and it is shown that the near tip asymptotic expressions of stress and displacement fields are affected by non-singular terms originated by load biaxiality. The maximum tensile stress criterion is applied in order to investigate the effects of non-singular terms on the angle of crack extension. (C) 2003 Elsevier Ltd. All rights reserved.
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