幹你娘老機掰財力

https://sites.google.com/site/ncuocw/course/64027/document
http://en.wikipedia.org/wiki/Shear_modulus
http://en.wikipedia.org/wiki/Young%27s_modulus
http://webclass.ncu.edu.tw/~ymhuang/ch6/ch6.html
http://ind.ntou.edu.tw/~metex/model.pdf/Chapter%205.pdf
http://boson4.phys.tku.edu.tw/solid-state/ch12.htm
http://www.me.ntust.edu.tw/DGteaching/cgtseng/files/2.%E6%87%89%E5%8A%9B%E8%88%87%E6%87%89%E5%8A%9B%E8%BD%89%E6%8F%9B.pdf

http://researcher.nsc.gov.tw/site/nscml/public/jinchee/MMO/CAE-Ch3a.pdf
http://webclass.ncu.edu.tw/~ymhuang/index.html
http://en.wikipedia.org/wiki/Young%27s_modulus
http://www.me.ntust.edu.tw/DGteaching/cgtseng/files/2.%E6%87%89%E5%8A%9B%E8%88%87%E6%87%89%E5%8A%9B%E8%BD%89%E6%8F%9B.pdf