| Study on Bending of Woven Fabrics Using Linear Viscoelasticity Theory |
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| 引用本文： | 石风俊,胡金莲,余同希. Study on Bending of Woven Fabrics Using Linear Viscoelasticity Theory[J]. 东华大学学报(英文版), 2000, 0(1) |
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| 作者姓名： | 石风俊 胡金莲 余同希 |
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| 作者单位： | Shi Fengjun，Hu JinlianInstitute of Textiles and Clothing，The Hong Kong Polytechnic University，Hung Hom，Kowloon，Hong KongYu TongxiDepartment of Mechanical Engineering，The Hong Kong University of Science and Technology，Clear Water Bay，Kowloon，Hong Kong |
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| 摘 要： | The bending behavior of woven fabrics under low curva-ture conditions has been analyzed by linear viscoelastictheory.The fabric is assumed to behave viscoelasticallyand to be subjected to frictional restraints in bending de-formation.The frictional restraint is considered to beproportional to the curvature and can be described by africtional moment.A model has been constructed by astandard three-element solid model and a paralleledfrictional sliding element.The equations of the model fora cyclic curvature variation are derived.A set of param-eters of the equations for each fabric has been obtainedexperimentally.Predictions of the bending rigidity andhysteresis for wool,cashmere,wool/polyester blended,polyester and cotton fabrics are made,displaying verygood agreement with the experimental observations.
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Study on Bending of Woven Fabrics Using Linear Viscoelasticity Theory |
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| Shi Fengjun,Hu JinlianInstitute of Textiles and Clothing,The Hong Kong Polytechnic University,Hung Hom,Kowloon,Hong KongYu Tongxi. Study on Bending of Woven Fabrics Using Linear Viscoelasticity Theory[J]. Journal of Donghua University, 2000, 0(1) |
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| Authors: | Shi Fengjun Hu JinlianInstitute of Textiles Clothing The Hong Kong Polytechnic University Hung Hom Kowloon Hong KongYu Tongxi |
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| Affiliation: | Shi Fengjun,Hu JinlianInstitute of Textiles and Clothing,The Hong Kong Polytechnic University,Hung Hom,Kowloon,Hong KongYu TongxiDepartment of Mechanical Engineering,The Hong Kong University of Science and Technology,Clear Water Bay,Kowloon,Hong Kong |
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| Abstract: | The bending behavior of woven fabrics under low curvature conditions has been analyzed by linear viscoclastic theory. The fabric is assumed to behave viscoelastically and to be subjected to frictional restraints in bending deformation. The frictional restraint is considered to be proportional to the curvature and can be described by a frictional moment. A model has been constructed by a standard three - element solid model and a paralleled frictional sliding clement. The equations of the model for a cyclic curvature variation are derived. A set of parameters of the equations for each fabric has been obtained experimentally. Predictions of the bending rigidity and hysteresis for wool, cashmere, wool/polyester blended, polyester and cotton fabrics are made, displaying very good agreement with the experimental observations. |
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| Keywords: | bending rigidity bending hysteresis linear vis-coelasticity woven fabric. |
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