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remove static load in FSI analysis

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Old   July 5, 2021, 05:04
Default remove static load in FSI analysis
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Pietro
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Hello,

I am modeling an airplane wing on star-ccm for a fluid-structure interaction analysis. The question is: how do you remove the static load obtained once the steady solution is converged?

The CAD geometry given is the one of the wing operating. But if you run FSI with such a geometry, it will deform and at operation it will be bending upwards, giving a wrong lift. Basically the load seen by the wing is the following:

Load = steady load + unsteady load

What I am aiming for is to do the following operation:

Load_effective = (steady load + unsteady load) - steady load = unsteady load

Any ideas how to do so?

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aeroelasticity, fluid-structure, steady load, unsteady load

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