How to resolve “subscript requires array or pointer type” error

- February 8, 2021 at 10:29 am
  
  scholar
  Subscriber
  
  Hello everyone,
  I am getting a "subscript requires array or pointer type" error in the red lines of the code attached.
  Could anyone suggest how to resolve this error?
- February 8, 2021 at 10:49 am
  
  Rob
  Ansys Employee
  
  Compare with the manual entry, https://ansyshelp.ansys.com/account/Secured?returnurl=/Views/Secured/corp/v211/en/flu_udf/flu_udf_sec_define_vr_rate.html I suspect INDEX_PHASE_C0 and INDEX_SPECIES_C0 aren't recognised. nDefining values as zero and then calculating them isn't necessary either. We'd only tend to set a value after a calculation using an IF statement if the calculation returns an invalid number: typically to prevent a rate or property being less than zero. n

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