Maximum number of UDM and UDS that can be defined

- September 27, 2017 at 11:19 am
  
  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.
- September 27, 2017 at 11:19 am
  
  admin
  Ansys Employee
  
  What is the maximum number of UDM and UDS that can be defined?
- November 1, 2022 at 4:15 am
  
  hbilal1076
  Subscriber
  
  What is maximum number of UDS we can use now a days, is it still the same 50 or modified till 100 or 200 UDS?
- November 1, 2022 at 4:29 am
  
  hbilal1076
  Subscriber
  
  Dear Expert Admin,
  Need your quick suggession. TIA

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