Compressive strengths and dynamic response of corrugated metal sandwich plates with unfilled and foam-filled sinusoidal plate cores. (English) Zbl 1401.74194

Zhang, Jianxun; Qin, Qinghua; Wang, T. J.

Acta Mech. 224, No. 4, 759-775 (2013).

Summary: The compressive strengths and dynamic response of corrugated sandwich plates with unfilled and foam-filled sinusoidal plate cores are investigated. The “effective” compressive strengths of the unfilled and foam-filled sinusoidal plate cores are derived and numerically analyzed. Finite element method is employed to analyze the dynamic response of fully clamped metal sandwich plates with unfilled and foam-filled sinusoidal plate cores subjected to impulsive loading. Moreover, a simplified plastic-string model is developed to analytically predict the large deflection and time responses of the clamped sandwich plates under impulsive loading. One can see a good agreement between the analytical and numerical predictions. It can be seen that the present analytical procedure is efficient and simple to evaluate the dynamic response of corrugated sandwich plates.

MSC:

74K20	Plates
74E30	Composite and mixture properties
74S05	Finite element methods applied to problems in solid mechanics
74H15	Numerical approximation of solutions of dynamical problems in solid mechanics

Software:

ABAQUS

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