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How to define several (sub) cases per group

Several sub load cases per load group are a way to organize variations of a certain load group.

For example: the wind can blow from different directions. You could made a load group Wind for each direction, but you could also define one load group Wind and define the 4 directions in the same load group. Assume there are 4 wind directions to be taken into account. Then you do the following in Diamonds:

  1. Add one load group for wind.
  2. Check the option Several load cases per group.
  3. Increase the number of load case to four. Diamonds will add Case 1, Case 2, Case 3 and Case 4 automatically to the list. You can change the name of the case if you’d like.
  4. The little guys define the incompatbility. When you click on the icon the little guys can hold hands or not.
    • if they are not holding hands, it means the sub load cases are incompatible. Meaning they cannot occur at the same time. This is particularly the case for wind/ snow loads.
    • if they are holding hands , it means all sub load cases will act on the structure at the same time. This is particularly the case for dead loads.

 

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