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Viscoelasticity - flexural modulus vs shear modulus conversion

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Topic starter
(@philomena)
New Member
Joined: 12 years ago

Hi, Everyone,

Im going to incorporate viscoelastic property of molding compound in ANSYS Simulation.

I plan to use DMA 3-point bending test to get modulus data vs time. I believe this is flexural modulus data.

But as stated in ANSYS, Prony series is only applicable to shear modulus (and bulk modulus).

So im wondering how to convert flexural modulus to shear modulus?:confused: (if we assume the material is isotropic)

Or can i just use this flexural modulus?

Can you give me some idea?

Thanks in advance!

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