Memory Issue

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I am doing 3D simulation that is not symmetric, using the mf physics , coil geometry analysis and stationary study. Coil geometry analysis have 2,192,126 DOF and Stationary study have 19,338,394 DOF.

I have used domain wise mesh maximum upto fine and with a total of around 12 GB physical memory.

I am using segregated and iterative solver of stationary study. But my simulation is stucking. I am doing the simulation using i5 processor and 16 GB RAM. Further I have to do frequency analysis.

Can you tell is this the memory issue? If yes, how much is recommendable memory for this much DOF.


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