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Why subtract SUS from OPE?

Why subtract SUS from OPE?

Why subtract SUS from OPE?


I have the next question about LOAD CASES in CAESAR II

Why subtract SUS from OPE?
Why not simply use L3 = T1 (EXP)?


RE: Why subtract SUS from OPE?

Because the Expansion Case is defined as a range. In order to compute a range you have to subtract two quantities. Furthermore, OPE-SUS will take into account any difference (including boundary condition changes and weight redistribution) between the two cases.

Using L3=T1 is only valid if the system has 100% linear boundary conditions.

Richard Ay
Intergraph CAS

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