然后，采用轴对称热传导模型，利用分区边界元法，对198型柴油机活塞温度场进行了计算。
Then, by the use of axisymmetric heat conduction model, the temperature field of 198-type Diesel engine's piston is calculated with subregion boundary element.
采用力学中建立最小势能原理和最小余能原理的加权余量法，分别得到了热传导中势能型与余能型的变分原理。
Analogue to variational principles in solid mechanics, variational principles in heat conduction are developed by the method of weighted residuals in this paper.
本文介绍了求解奇异摄动问题的一种有效方法——边界层函数法，并用此方法研究了在薄矩形板中的热传导问题。
In this paper, the boundary layer function method, an effective method for the solution of singular perturbation, was presented and used to deal with the heat transfer in thin rectangular plates.
提出用有限元法对金属激光热处理的非稳定热传导过程进行计算。
It is proposed in this paper to calculate the heat conduction with finite element method in the heat treatment process of metal by laser technology.
针对坝体埋有一定数量温度计的特点，根据热传导理论，以坝体边界、坝内温度计的测值为约束条件，采用有限单元法分析坝体温度场时空分布，并研制了相应的计算程序．。
According to dam body buried a number of thermometers, the method is put forward analyzing temperature field of dam body and corresponding program is worked out in this paper.
运用密度惩罚法和热传导分析模型研究了散热结构拓扑优化模型。
The SIMP method and the heat conduction analyze model are integrated to formulate topology optimization model of heat radiation structures.
运用密度惩罚法和热传导分析模型研究了散热结构拓扑优化模型。
The SIMP method and the heat conduction analyze model are integrated to formulate topology optimization model of heat radiation structures.
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