| 异种材料相接触热传导的变分原理和有限元计算 |
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| 引用本文： | 陈月林,徐昂千,吴兆春.异种材料相接触热传导的变分原理和有限元计算[J].上海理工大学学报,1988(4). |
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| 作者姓名： | 陈月林 徐昂千 吴兆春 |
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| 作者单位： | 上海机械学院动力工程学院
(陈月林，徐昂千)，上海机械学院动力工程学院(吴兆春) |
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| 摘 要： | 本文应用限制变分的思想,就两种不同材料相接触处的热传导问题,构造了一个新的温度泛函,并且证明了这个泛函的变分等价于相应的微分方程和边界条件,从而使应用有限元方法求解具有交界面的热传导问题更为科学和合理。
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| 关 键 词： | 固体-固体界面 传热 数值计算 有限单元法 变分原理 |
Variational Principle and Its Finite Element Calculation for the Heat Transfer of Different Mateirals in Contact |
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| Chen Yuelin Xu Angqian Wu Zhaochun.Variational Principle and Its Finite Element Calculation for the Heat Transfer of Different Mateirals in Contact[J].Journal of University of Shanghai For Science and Technology,1988(4). |
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| Authors: | Chen Yuelin Xu Angqian Wu Zhaochun |
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| Institution: | Chen Yuelin Xu Angqian Wu Zhaochun |
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| Abstract: | Employing the idea of restrict variation, a new temperature functional to be proved by one order variation of functional which is equal to corresponding differential equations and its boundary conditions for the heat transfer of different materia Is incontact is presented in this paper. The problem of heat transfer for different materials in contact is solved in a more scientific and reasonable way by the finite element method. |
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| Keywords: | Solid-solid interfaces Heat transfer Numerical calculation Finite element method Variational principle |
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