Strain Energy Derivation

jintting's picture

Dear Sirs,

I'm trying to derive an strain energy in a small volume 2a x 2b x 2t.

I can derive "The rest terms are ommited" by myself . 

By the way, I can't derive the DT2 term in the 2nd row of the figure.

Please help with reference or tips.

 Thanks,

Jin Kim


Strain Energy Derivation
jintting's picture

Kim, Jinwon

Kim, Jinwon