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A new method of complicated folded fabric modeling

本站小编 哈尔滨工业大学/2019-10-24

A new method of complicated folded fabric modeling

CHENG Han1, YU Li1, YIN Zhuwei2

1.College of Aerospace Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;2.Test Center of Expertise, HewlettPackard Company, Shanghai 200030, China



Abstract:

In order to resolve the complicated folded fabric modeling problem and establish the high quality finite element model for fabric working simulation in aviation or aerospace area, the Fluid Structure Interaction (FSI) method based on Arbitrary Lagrangian Eulerian (ALE) coupling theory was applied for modeling in this paper. An expanded three dimensional fabric model (a special airbag) was divided into several segments. Then the folded state of each was calculated based on this numerical method. At last, the completely folded finite element model was obtained. This method can effectively simulate the complicated and natural folds, and the quality of model is very high which can greatly improve the success rate of fabric working process simulation. This method also can be guidance for other kinds of folded fabric modeling.

Key words:  fabric  fold  ALE  FSI  inflatable structure

DOI:10.11916/j.issn.1005-9113.2012.02.008

Clc Number:TP3919

Fund:


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