Fluids

Fluids

Maximum number of UDM and UDS that can be defined

    • admin
      Ansys Employee

      A UDS (User Defined Scalar) is a function that can calculate advection and diffusion of a defined scalar and a UDM (User Defined Memory) is a memory that can store any number in a cell. Both are customizable in a UDF. The number used is specified by the user, but the maximum defined amounts are 50 UDS and 500 UDM. Note that defining many UDM and UDS will increase the memory consumption of the calculation. The values of the UDM are also stored in the data file.

    • admin
      Ansys Employee

      What is the maximum number of UDM and UDS that can be defined?

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