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In FEM, which option is the most realistic representation of the actual force between deformable bodies?

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in Finite Element Method by (110k points)
In FEM, which option is the most realistic representation of the actual force between deformable bodies?

(a) Point load

(b) Uniformly varying load

(c) Sine distribution

(d) Uniformly distributed load

I got this question in examination.

My enquiry is from Modelling Considerations in division Interpolation Functions, Numerical Integration and Modelling Considerations of Finite Element Method

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Best answer
Right option is (c) Sine distribution

To explain I would say: A situation where the representation of boundary forces is subject to different interpretations is found when the force is due to contact between two bodies. For example, a solid plate in contact with a circular disc generates a reactive force that can be represented either as a point load or as a locally distributed force. A sine distribution might be a more realistic representation of the actual force between deformable bodies.

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