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  3. Why do FSUM,RSYS results in a cylindrical RSYS differ from FSUM results when SPOINT is specified and the same cylindrical RSYS is active.

Why do FSUM,RSYS results in a cylindrical RSYS differ from FSUM results when SPOINT is specified and the same cylindrical RSYS is active.

Tagged: 16.2, General, mechanical-apdl, structural-mechanics
    • April 5, 2023 at 2:31 pm
      FAQFAQ
      Participant

      FSUM,RSYS transforms the individual nodal forces into the cylindrical coordinate system before summing. FSUM with SPOINT sums the forces in global cartesian and then transforms the sum.

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