Numerical Simulation of Draping and Buckling of Woven Fabric Based on MSC.Marc Interface

LI Cuiyu¹  ZHANG Yitong²  ZHANG Xiaotao³

(1. School of Textiles, Tianjin Polytechnic University, Tianjin 300160;
2. School of Mechanical Engineering, Tianjin University, Tianjin 300072;
3. School of Management, Tianjin University, Tianjin 300072)

Abstract: The micro-mechanical constitutive model is introduced to develop an integrated numerical analyzing model based on excellent exoteric language interface of MSC. Marc program under gravity load qualified to simulate draping and buckling of woven fabric. The micro-mechanical constitutive model reveals mechanical properties of woven fabric owing to its micro-woven structure more elaborately than orthotropic continuum model that present researchers do. The draping and buckling of woven fabric are simulated with the large deformation curved shell element based on the micro-constitutive model of woven fabric. The important effect of compress module on the buckling analysis and simulation of dynamic deformation process is analyzed. The results show that precision of the draping and buckling simulation is improved evidently because of the micro-constitutive model. The investigation sets up the theory and technique basis for the fitting system in the dress CAD.

Key words: MSC. Marc  Woven fabric  Micro-mechanical constitutive model  Draping  Buckling  Numerical simulation

CLC No: O242.21

国家自然科学基金(10272079)、国家自然科学基金和英国皇家学会中英合作及天津市科委应用基础研究重点(06YFJZJC14800)资助项目. Received 20070406, received in revised form 20071010

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