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Hello everyone, I am doing analysis on a plate with unconstrained layer damping treatment. I have the experimental data, frequency of the damped plate and also the loss factor of the damped plate. Using the above data I am trying to find the youngs modulus and loss factor of the damping...

hi Denial, You are right its my mistake, I have printed the formula wrong, the formula should be(after taking terms on the right side), W=(n(i)/a^2)*sqrt(D/rho*h) actually I was finding the frequencies in matlab I didnt enclose the (rho*h) while...

hi, I am trying to find the natural frequency for a FFFF plate using classical frequency parameters : n1=13.47; n2=19.6; n3=24.27; n4=63.16; n5=68.5; in the equation W*a^2*sqrt(D/rho)=n(i) where D =(E*h^3)/(12*(1-nu^2)), flexural rigidity a = 10 in, side of a square...

hi there, I am working on damping issues and trying to modal the damped beam and damped plate in ansys. I am using the shell99 element as it is linear layered element and thickness ratio is more than 10. I have obtain the modal parameters from the experiment. When I am trying to modal and...