Hello;
I have a problem of extracting structural damping coefficient of a sandwich plate type steel / polymer / steel. I have already entered the shear modulus of the polymer in ABAQUS G = G0 (iw) / (1 + iw) With the: *viscoelastic, frequency=TABULAR
I do not know if my approach is right?
My inp file has this form:
*NODE, NSET=ALLNODES, SYSTEM=R
..
*ELEMENT, TYPE=S4 , ELSET=THIN-SHELL1
..
*SHELL GENERAL SECTION,
ELSET=THIN-SHELL1 ,
COMPOSITE
0.000762,3,Mat_COUCHE-1-3
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