Why does using Stabilization Damping Factor not give the the same force result if you are in US unit system or if you are in SI unit system?
Tagged: 14, General, Mechanical (f. Simulation), structural-mechanics
March 17, 2023 at 9:00 amFAQParticipant
When you change the unit system of a first analysis which use the stabilize method the value of the energy is not changed. Before running the second analysis with the new unit system, you need to change the value of the energy manually in order to have the same results. The following statement has been added at 15.0 to clairify this scenario: When Damping is specified, a Damping Factor value needs to be entered. The damping factor is the value that the ANSYS solver uses to calculate stabilization forces for all subsequent substeps. This value is greater than 0. Note: The Damping Factor value is dependent on the active unit system and may influence the results if unit systems are changed. You may wish to use an initial trial value from a previous run for this entry (such as a run with the Energy Dissipation Ratio as input). See the Controlling the Stabilization Force section of the Mechanical APDL Structural Analysis Guide for additional information.
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