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  3. What are the differences between expressions and variables? For what purpose should they be used?

What are the differences between expressions and variables? For what purpose should they be used?

Tagged: 18, cfd-post, fluid-dynamics, General
    • June 5, 2023 at 7:05 am
      FAQFAQ
      Participant

      Expressions can be used to get alphanumerical values of e. g. a variable at a location like a surface or volume. Equations can be used to define a variable directly but it is preferred to define first an expression and define the variable with this expression.

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