heat enthalpy

Heat enthalpy method and ANSYS element birth and death technique were adopted to calculate the ablation profile, temperature field, stress field and mass ablation rate. Based on the result, some conclusions of the interaction characters were obtained.

采用热焓法和ANSYS生死单元技术模拟得到了不同模型的烧蚀形态、温度场、应力场和质量烧蚀率，以此为基础分析了不同组元间能量流动的路径和相互作用的特点。

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A judgement of the heat enthalpy for the phase change element has been applied, so the FEM program dealing with the phase change can start without any other initial phase state input data.

应用单元相变发生的热焓判据，使程序能够自启动，不必给出单元初始状态输入数据。

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