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Strain Energy Release Rate (G)

Posted Nov 7, 2018, 1:21 a.m. EST Structural & Acoustics, Structural Mechanics Version 5.3 1 Reply

Syed Jamal
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How do I calculate the strain energy release rate (G1) for an edge crack by using strain energy (U). Using the formula G1=d(U)/d(Area) and with constant thickness and plane stress case: G1=(1/thickness)xd(U)/d(a) where: U- strain energy a- crack length G1-strain energy release rate for mode 1 crack propagation (opening mode).

Thanks!!

1 Reply Last Post Nov 7, 2018, 2:40 a.m. EST
Henrik Sönnerlind COMSOL Employee

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Posted: 6 years ago Nov 7, 2018, 2:40 a.m. EST
Updated: 6 years ago Nov 7, 2018, 2:40 a.m. EST

Hi,

This is shown in https://www.comsol.com/model/single-edge-crack-988

Regards,
Henrik

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Henrik Sönnerlind
COMSOL
Hi, This is shown in Regards, Henrik

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