Why is the result different between applying acceleration in the GENERATION pass and USE pass?

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Why is the result different between applying acceleration in the GENERATION pass and USE pass?

Why is the result different between applying acceleration in the GENERATION pass and USE pass?

Tagged: 19.2, General, mechanical-apdl, structural-dynamics, structural-mechanics

- April 5, 2023 at 2:33 pm
  
  FAQ
  Participant
  
  Linear acceleration can only be applied in the GENERATION pass. The documentation will be changed after R19.0. Section 2.1.2.1 of the Substructuring Analysis Guide. In the fifth bullet item, the words “linear and” were removed from this sentence: “Similarly, application of linear and angular accelerations can be postponed until the use pass, but only if a mass matrix is generated.”

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General

Why is the result different between applying acceleration in the GENERATION pass and USE pass?

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