焊接温度场数值模拟的原理。热分析包括热传导、热对流及热辐射三种热传递方式。-Welding the principle of the numerical simulation of temperature field. The thermal analysis including heat conduction, convection and thermal radiation of three types of heat transfer mode.

焊接温度场的模拟程序，希望各位不吝赐教，不知道是否有问题，-the simulation process of the temperature fiele