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Load/stress sequence

In Simcenter Structure I have 1 Static Solution with 3 Load cases.

I have 3 stress results: Stress(Loadcase1),Stress(Loadcase2),Stress(Loadcase3)

In an Advanced Durability setup I use:

Static Event

Excitation type Function
and for EACH Load case I define a function (function1, function2, function3) in AFU table.

 

The life/damage is calculated:

1) using the Miner rule on the damage of the 3 stress histories separately

2) using the "COMBINED" stress history -> Stress = Stress(Loadcase1)*function1+Stress((Loadcase2)*function2+Stress((Loadcase3)*function3

 

Thank you in advance

Franco

1 REPLY

Re: Load/stress sequence

Question mark missing I'am sorry.
I am asking: "how the damage/life is calculated, using 1) or 2) ?

Franco