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COMSOL_Multiphysics函数使用

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COMSOL Multiphysics 函数定义及操作技巧


运算符

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特殊函数

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数学函数




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物理常量


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几何变量


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预定义变量

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拉格朗日单元变量

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COMSOL Multiphysics函数定义

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  • 定义解析函数、内插函数和分段函数

  • 以静电问题为例说明各类函数的使用方法

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解析函数


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内插函数

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分段函数

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其他函数


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波形函数

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随机函数

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实例:通过正方形区域的热流D5-COMSOL_Multiphysics函数使用31.png

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计算结果

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使用平滑函数避免不收敛

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