SIMULATION OF FABRIC DRAPE USING A THIN PLATE ELEMENT WITH FINITE ROTATION

(整期优先)网络出版时间:1998-03-13
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Thedrapingbehavioroffabricissimulatedbyusingfournodequadrilateralthinplateelementswithfiniterotation.Thefiniteelementformula-tionisbasedonthetotalLagrangianapproach.Anexactrepresentationoffiniterotationisintroduced.Thestrainenergyfunctionaccountingforthematerialsym-metryisobtainedbythetensorrepresentationtheory.Toavoidshearlocking,theassumedstraintechniquefortransverseshearisadopted.Theconjugategradientmethodwithaproposedlinesearchalgorithmisemployedtominimizeenergyandreachthefinalshapeoffabric.Thedrapingbehaviorofarectangularpieceoffabricoverarectangulartableissimulated.