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目的 分析有限元法实现 2 -D温度场计算的一般规则及程序编制技巧 .方法 根据理论分析及实例 ,计算验证上述规则及技巧的正确性及在程序设计中的可行性 .结果 单元、单元节点的编号以及单元网格的形状对 2 -D温度场计算结果的精确度有很大的影响 ;而程序设计的技巧直接关系到计算能否顺利进行 .结论 遵循 2 -D有限元分析的一般原则加上适当的编程技巧 ,可顺利并精确地完成 2 -D温度场的计算
OBJECTIVE: To analyze the general rules and programming techniques for the calculation of 2-D temperature field by finite element method.Methods According to the theoretical analysis and examples, the correctness of the above rules and techniques and the feasibility in program design were verified.Results Unit, unit node And the shape of the cell grid have a great influence on the accuracy of 2-D temperature field calculation.However, the programming technique is directly related to whether the calculation can be carried out smoothly.Conclusion Following the general principle of 2-D finite element analysis With appropriate programming skills, the 2-D temperature field can be calculated smoothly and accurately