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首页> 外文会议>International Conference on Trends in Welding Research >Numerical Simulation of Three Dimensional TIG Welding Using MPS Calculation
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Numerical Simulation of Three Dimensional TIG Welding Using MPS Calculation

机译：使用MPS计算三维TIG焊接的数值模拟

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Recent developments allow the calculation of welding arc parameters using several ways. From this we can obtain information on the arc properties such as its current, its temperature, the arc pressure, etc. This study shows how we were able to calculate both the welding arc and the molten pool conditions by combining the two aforementioned numerical simulation methods. Indeed, we applied the Particle Method for the simulation of the molten pool in order to predict its shape, and used the grid method for the simulation of the arc. The Moving Particle Semi-Implicit (MPS) method was applied.In this study, a three dimensional particle simulation model of the molten pool was developed. The convection in the molten pool and the phase change could be analyzed using three dimensional particle models. It should be noted that a difference in welding conditions causes a different convection and therefore alters the penetration shape, but that the developed simulation was able to predict this change.
机译：最近的发展允许使用多种方式计算焊接电弧参数。从这一点，我们可以获得有关电弧特性的信息，例如其电流，温度，电弧压力等。该研究表明我们如何通过组合两个上述数值模拟方法来计算焊弧和熔池条件。 。实际上，我们应用了用于模拟熔池的颗粒方法，以预测其形状，并使用电网方法进行弧形弧形。应用移动粒子半隐式（MPS）方法。在本研究中，开发了熔池的三维粒子仿真模型。可以使用三维粒子模型分析熔池和相变的对流。应该注意的是，焊接条件的差异导致不同的对流，因此改变了穿透形状，但是开发的模拟能够预测这种变化。

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