How can we measure dimensions of a molten pool in ANSYS APDL or WORKBENCH?

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Prakash Lakshminarayanan

We know the melting temperature of the molten pool and hence running etable once to select all the elements (based on results; i.e. temperature) with the melting temperature as the lower limit will select the entire molten pool (with elements that just attained melting temperature at the edges to high temperature elements at the centre of the arc) . now we can measure the size using ndist,p command

BTW which platform are u using? APDL or workbench?

I'm also working on the same topic.

So i would like to know more about your approach viz. moving arc or moving workpiece, heat flux method or heat generation method, interested only in thermal profiles or the thermo structural results, etc.

Hemnath A K

Dear Prakash,

Thanks a lot for explaining in detail. I am working in APDL. I am interested in the heat flux method. INterested in thermostructural results.

Hemnath

Are you facing any issues while working in the heat flux method?

Have you captured the thermo-structural results?

The platform I use is SYSWELD, where simulation of weld is made easy by GUI means and its a lot accurate. It's a lot easier to simulate weld than APDL (as every variable we need to feed in APDL is made available in the form of GUI). The variation with respect to change of phase of the base material as a result of heat energy diffusing through the work piece, increase in yield strength due to strain hardening effects are also included.

I found ADPL to be challenging, that is the reason for which I'm now trying to simulate the same using APDL and compare the closeness between the experimental, SYSWELD and APDL results and trying to bring the APDL and experimental results closer .

As of now, succeeded with application of B.C. using heat generation method and partially succeeded working on the heat flux method using functions, where the temperature keeps on increasing as time progress. Will update after succeeding,

Sure sir. i will also like to discuss with you more regarding this. Please check your personal message.