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Transient response of a finite crack in an orthotropic strip under the in-plane shear impact

Authors:	Xu Xiaolu Huang Yijun

Institution:	(1) Department of Applied Mechanics, Beijing Institute of Technology, 100081 Beijing, China

Abstract:	The transient response of a central crack in an orthotropic strip under the in-plane shear impact loading is studied by using the dual integral equation method proposed by Copson and Sih. The general formula for the shear stress intensity factor $\tilde K_{II} (t)$ near the crack tip is derived. Numerical results of $\tilde K_{II} (T)$ with $T \equiv \frac{{c_s t}}{a}$ in various cases are obtained by solving the second kind Fredholm integral equation and by performing the inverse Laplace transform.

Keywords:	dual integral equation transient response in-plane shear impact loading orthotropic composite material
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