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Parameters for viscoelastic model in Abaqus


rnold144
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(@rnold144)
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Hi!

I am modelling in time domain with frequency data. (Have DMA data) The parameters to input seem to be omega g* real and imag. I found formulae

omega g*real = G(l)/G infinity

w g* imag = 1 - G(s)/G infinity

Is this formula correct?

What does imega G* real and imag actually mean?

Isnt usually storage modulus associated with real part and viceversa? Why is it reverse here? Is there any derivation or refernce available for this formula?

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Jorgen
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please dont ask the same question multiple times!

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