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how to include mass in 2d fully coupled fsi?

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I am doing a simple 2d fully coupled fsi. I would like to include mass of the solid body. There is option for density, Young's modulus, but no mass.
Any idea how to include mass? I have an equation connecting mass with m= rho_b*Area/(rho_f*side^2)

Thanks in advance

0 Replies Last Post 22 ott 2015, 00:11 GMT-4
COMSOL Moderator

Hello Siva Kumar Manickam

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