[2015] Ultimate shear strength of intact and cracked stiffened panels > Selected Papers

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Selected Papers

[2015] Ultimate shear strength of intact and cracked stiffened panels

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Author Admin 작성일15-11-04 14:57 Hit4,793 Count Comments0 Count

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Article history:
Received19October2013
Accepted1December2014
Availableonline18December2014

Author(s): FangWang, JeomKeePaik, BongJuKim, WeichengCui, TasawarHayat, B.Ahmad

Abstract: The present paper focuses on the ultimate shear strength analysis of intact and cracked stiffened panels. Several potential parameters influencing the ultimate shear strength of intact panels are discussed, including the patterns and amplitudes of initial deflection, the slenderness and aspect ratios of the plates, and the boundary conditions defined by the torsional stiffness of support members. An empirical formula for the ultimate shear strength of intact stiffened panels is proposed based on parametric nonlinear finite element analyses in ANSYS. Furthermore, the ultimate shear strength characteristics of cracked stiffened panels are investigated in LS-DYNA with the implicit method. Three types of cracks are considered, namely vertical crack, horizontal crack and angular crack. A simplified method is put forward to calculate the equivalent crack length. And the formula for the ultimate shear strength of cracked stiffened panels is derived on the basis of the formula for intact stiffened panels.

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