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首页> 外文期刊>Journal of Materials Engineering and Performance >A Numerical Method for Inverse Thermal Analysis of Steady-State Energy Deposition in Plate Structures
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A Numerical Method for Inverse Thermal Analysis of Steady-State Energy Deposition in Plate Structures

机译：板结构稳态能量沉积反热分析的一种数值方法

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摘要

A numerical method for inverse thermal analysis of steady-state energy deposition in plate structures is constructed according to the general physical characteristics of energy deposition within a volume of material from a beam energy source. This numerical method represents implementation of a general methodology using basis functions that was introduced previously. The formal structure of the numerical method presented follows from a specific definition of the inverse heat transfer problem, which is well posed for inverse analysis of heat deposition processes. This definition is based on the assumption of the availability of information concerning spatially distributed boundary and constraint values. This information would be obtained in principle from both experimental measurements obtained in the laboratory, as well as numerical simulations performed using models having been constructed using basic theory. Experimental measurements include solidification cross sections, thermocouple measurements, and microstructural changes.
机译：根据梁能量源中一定体积材料内能量沉积的一般物理特性，构造了一种用于平板结构中稳态能量沉积的逆热分析的数值方法。该数值方法表示使用先前介绍的基本函数的通用方法的实现。提出的数值方法的形式结构来自逆传热问题的特定定义，这对于热沉积过程的逆分析是很合适的。该定义基于关于空间分布的边界和约束值的信息可用性的假设。原则上，将从实验室获得的实验测量值以及使用已使用基本理论构建的模型进行的数值模拟中获得此信息。实验测量包括凝固截面，热电偶测量和微观结构变化。

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