Composite materials dynamic fracture studies by generalized Shmuely difference algorithm

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Abstract

The generalized Shmuely Difference Algorithm (GSDA) is presented here to analyze the dynamic fracture performance of orthogonal-anisotropic composite materials, such as glass fibre reinforced phenolplast. The difference recurrence formulae and boundary condition difference extrapolation formulae are derived and programmed. The dynamic stress intensity factors (DSIF) of the isotropic and anisotropic centrally cracked plates are computed respectively using GSDA and compared with that published previously. GSDA is proved effective and reliable.

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This work was supported by the grant of the Opening Laboratory of Nonlinear continuous Mechanics in Institute of Mechanics of Academia Sinica.

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