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Fluids

Fluids

Topics related to Fluent, CFX, Turbogrid and more.

Floating point exception

    • pavankonchada123
      Subscriber

      I have got five layers of solid and then PCM. The heat flux given is 500 w/m2 on top of the surface. Using Non iterative time advancement scheme by method piso it ran upto 4020 iterations after that it is giving floating point exception

    • pavankonchada123
      Subscriber

    • pavankonchada123
      Subscriber

    • Amine Ben Hadj Ali
      Ansys Employee
      Do use iterative time advancements scheme at first.
    • pavankonchada123
      Subscriber

      I have used iterative scheme but I am getting the same error  at 5270 s

    • pavankonchada123
      Subscriber

    • Amine Ben Hadj Ali
      Ansys Employee

      Can you reduce time step size and try once again? If you are rather interested in steady-state solution you can activate solid time step too.

    • pavankonchada123
      Subscriber

      H amine,


                         I have tried as per ur suggestion but still I was getting floating point exception

    • Rob
      Forum Moderator

      Have a look at the flow field a "bit" before it fails. What is happening? 

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