厚板带极埋弧堆焊温度场的有限元模拟

Finite element simulation of temperature field for submerged arc strip overlaying on thick plate

摘要: 由带极埋弧堆焊原理及Goldak热源模型理论设计了带极埋弧堆焊有限元热源模型,基于有限元软件MSC.MARC平台,编写FORTRAN子程序来实现移动热源的加载,并采用了MARC软件对厚板带极埋弧堆焊温度场进行了数值模拟,同时对焊缝形貌及试验测得的热循环曲线进行验证,得到了与试验结果较吻合的温度场计算结果.结果表明,提出的热源模型适合带极埋弧堆焊过程数值模拟。
- 带极埋弧堆焊 /
- 热源模型 /
- 温度场 /
- 热循环曲线
Abstract: A thermal source for submerged arc overlaying is designed based on its principle and heat source model of Goldak, and a fortran subroutine is compiled to implement the translation of thermal source in the FEA software MSC.MARC. Finite element simulation of temperature field of submerged arc strip overlaying on thick plate was established. The simulation results are in good accordance with the actual thermal cycle curve, which proved the model is correct.
- submergen arc overlay welding /
- heat source model /
- heat source temperature field /
- thermal cycle curve

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