Can anyone explain to me how to do element birth and death techniques in ansys apdl since I need to simulate Welding or welding or Arc based additive manufacturing
Rut Su
Define the simulation region: First, you need to define the simulation region where the welding or additive manufacturing process will take place. Determine the element birth and death criteria: You need to determine the criteria for adding and removing elements from the model. This can be based on the temperature, stress, or any other relevant variables that change during the simulation. Implement the element birth and death algorithms: You can implement the element birth and death algorithms in ANSYS APDL using macros or user-defined functions. The algorithms will add or remove elements from the model based on the criteria determined in step 2. Specify the material properties: You need to specify the material properties for the new elements that are added to the model during the simulation. You can do this using the MP, MPDATA, and MPTEMP commands in ANSYS APDL. Solve the simulation: Finally, you can solve the simulation using the standard ANSYS APDL commands, such as SOLVE, REAL, and ANTYPE. The element birth and death algorithms will be automatically executed during the solution process, and the model will be updated as the simulation progresses.
Dear Ashish Yadav
Element birth and death techniques can be used to simulate welding or arc-based additive manufacturing processes in ANSYS APDL, by adding or removing elements from the model as the simulation progresses. Some of the general steps to perform element birth and death in ANSYS APDL:
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Ashish Yadav
Thanks, Rut Su If you have any videos related to this problem please share them, it would be very helpful.
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Jinlong Zhao
You need to kill the model in advance, activate the units sequentially depending on the load step
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