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Inserting Force into Comsol

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Hi,

My model is a simple hollow cylinder and i'm trying to apply forces on the inner surface of this model. Forces are in the form of a 12000-by-48 double array. Which 12000 is time steps and 48 is the number of the forces applied on the inner surface of the hollow cylinder in each time. (i.e. at t=0, 48 different forces are applied on 48 points of the cylinders,.....; at t=12000, 48 different forces are applied on 48 points(same points as before) of the cylinders).

I used interpolation function to insert one row of these forces( e.g. at t=0). I need to insert all 12000 forces but it is infeasible to use interpolation 12000 times.

Can anyone please, help me to figure out how to solve this problem?

Br,
Sarah

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