STRENGTH ANALYSIS OF A COMPOSITE LAMINATE BY FIRST ORDER RELIABILITY AND BRANCH & BOUND METHODS

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FARSI M.A.; HAMIDI GHALEJIGH B.

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Journal Paper

Paper Information

Journal: Journal of Aerospace Mechanics Year:2014 | Volume:9 | Issue:4 (34) (MECHANICAL BEHAVIOR OF MATERIALS AND STRUCTURES) Page(s): 95-103

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Title

STRENGTH ANALYSIS OF A COMPOSITE LAMINATE BY FIRST ORDER RELIABILITY AND BRANCH & BOUND METHODS

Author(s)

FARSI M.A. | HAMIDI GHALEJIGH B. | Issue Writer Certificate

Keywords

RELIABILITYQ2

COMPOSITE MATERIALQ2

FORMQ2

BRANCH AND BOUNDQ2

FEMQ2

MONTE CARLOQ2

Abstract

Composite materials are used frequently in industrial structures such as airplane and space vehicles. Strength and probability of failure is an important challenge for designer engineers. In this paper a practical method to determine ultimate strength of a composite laminate is explained, this method based on RELIABILITY prediction. Strength of each layers and total strength is calculated using First Order RELIABILITY Method and failures sequence is determined by Branch & bound method. In this study two modes for failure are assumed: fiber fracture and matrix fracture. At first step, stress distribution is calculated by FE software (ANSYS Package) then according to failure mode and first order RELIABILITY method, RELIABILITY index is determined. At the second step, probability of failures mode in all layers are determined. At the end, the important sequences for the failures are determined using BRANCH AND BOUND method.Comparison of this method result with MONTE CARLO simulation shows accuracy of this method to predict failure mode and probability of composite laminate failure.

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APA: Copy

FARSI, M.A., & HAMIDI GHALEJIGH, B.. (2014). STRENGTH ANALYSIS OF A COMPOSITE LAMINATE BY FIRST ORDER RELIABILITY AND BRANCH & BOUND METHODS. AEROSPACE MECHANICS JOURNAL, 9(4 (34) (MECHANICAL BEHAVIOR OF MATERIALS AND STRUCTURES)), 95-103. SID. https://sid.ir/paper/101699/en

Vancouver: Copy

FARSI M.A., HAMIDI GHALEJIGH B.. STRENGTH ANALYSIS OF A COMPOSITE LAMINATE BY FIRST ORDER RELIABILITY AND BRANCH & BOUND METHODS. AEROSPACE MECHANICS JOURNAL[Internet]. 2014;9(4 (34) (MECHANICAL BEHAVIOR OF MATERIALS AND STRUCTURES)):95-103. Available from: https://sid.ir/paper/101699/en

IEEE: Copy

M.A. FARSI, and B. HAMIDI GHALEJIGH, “STRENGTH ANALYSIS OF A COMPOSITE LAMINATE BY FIRST ORDER RELIABILITY AND BRANCH & BOUND METHODS,” AEROSPACE MECHANICS JOURNAL, vol. 9, no. 4 (34) (MECHANICAL BEHAVIOR OF MATERIALS AND STRUCTURES), pp. 95–103, 2014, [Online]. Available: https://sid.ir/paper/101699/en

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