The Proceedings of the Materials and Mechanics Conference
Online ISSN : 2424-2845
2013
Session ID : OS0304
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OS0304 Estimation of Mechanical Behaviours for Stitched FRP with a Hole based on Mesh Superposition Method
Yuki NAKAYASUTetsusei KURASHIKIYoshitaka MATSUSHIMA
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Abstract
The stitching yarn of Non-crimp fabric (NCF) composite brings the improvement of out-of plane strength and intricate microscopic structure. In order to estimate the effect of position of a hole and opening resin region on damage development of composites conveniently, a new modeling of NCF composites with a circular hole is proposed based on the mesh superposition method. The laminate parts and a hole part are modeled individually, and the mechanical behaviors under static tensile loading is estimated. The continuous model of NCF GFRP with a hole as the conventional model, and the super imposed model which is consisted of global model (laminate with opening resin region) and local model (a hole part) are generated. As the numerical results, the effects of opening resin region and a hole on the damage can be estimated with the proposed mesh superposition method. And it has been revealed that the proposed numerical modeling method is useful for design of the products composed of textile composites.
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© 2013 The Japan Society of Mechanical Engineers
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