| A SMOOTH C1 INTERPOLATION FOR TWO-DIMENSIONAL CONTACT PROBLEMS USING PARAMETRIC CURVE TECHNIQUE |
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| 作者姓名： | KouZhejun ChengJiangang YaoZhenhan WangFujun |
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| 作者单位： | DepartmentofEngineeringMechanics,TsinghuaUniversity,Beijing100084,China |
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| 摘 要： | A smooth C1 interpolation for two-dimensional contact problems using paxametric curve technique was developed and implemented. The parametric curve can ensure C1 continuity of the contact surfaces and provide a unique surface normal vector. Some numerical examples were used to illustrate the advantages of the newly developed representation of contact surface. The results reveal a significant improvement in the prediction of contact stresses and contactarea. The predicted contact stresses are less sensitive to the mismatch in meshes of the different contacting bodies.
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| 关 键 词： | 平稳插值 参数曲线 有限元方法 接触问题 弹性力学 |
A SMOOTH C~1 INTERPOLATION FOR TWO-DIMENSIONAL CONTACT PROBLEMS USING PARAMETRIC CURVE TECHNIQUE |
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| KouZhejun ChengJiangang YaoZhenhan WangFujun.A SMOOTH C1 INTERPOLATION FOR TWO-DIMENSIONAL CONTACT PROBLEMS USING PARAMETRIC CURVE TECHNIQUE[J].Acta Mechanica Solida Sinica,2003,16(3):205-209. |
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| Authors: | Kou Zhejun Cheng Jiangang Yao Zhenhan Wang Fujun |
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| Institution: | (1) Department of Engineering Mechanics, Tsinghua University, 100084 Beijing, China |
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| Abstract: | A smooth C~1 interpolation for two-dimensional contact problems using parametric curve technique was developed and implemented.The parametric curve can ensure C~1 continuity of the contact surfaces and provide a unique surface normal vector.Some numerical examples were used to illustrate the advantages of the newly developed representation of contact surface. The results reveal a significant improvement in the prediction of contact stresses and contact area.The predicted contact stresses are less sensitive to the mismatch in meshes of the different contacting bodies. |
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| Keywords: | smooth interpolation parametric curve contact finite element |
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