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How to do multi track modeling?
Posted 11 juni 2019 12:54 GMT−4 Heat Transfer & Phase Change, Heat Transfer & Phase Change Version 5.3a 1 Reply
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Hello, I am doing laser based powder bed fusion modeling in COMSOL. I know how to do single track laser modeling, but I am facing some issues with multi track laser. I have actually been able to create multi track. But the problem is, all the laser beams are working simultaneously at the same time. If you see in the comsol file I have attached, I have input 0 to 20 seconds for the 1st track (analytic 2), 21 to 40 seconds for the 2nd track (Analytic 3) and 41 to 60 seconds for the 3rd track (Analytic 4). In study-time dependent, I have selected the total run time to be 60 seconds. But still, all the beams are running at the same time. Can you please tell me what should I do so that the 2nd track starts only after 1st track is finished and the 3rd track starts after the 2nd track is finished?
Thank you, Faiyaz