e/Strain energy density function

Information
has gloss	eng: A strain energy density function or stored energy density function is a scalar valued function that relates the strain energy density of a material to the deformation gradient. : W = \barW}(\boldsymbolF}) = \hatW}(\boldsymbolC}) = \tildeW}(\boldsymbolB})
lexicalization	eng: strain energy density function
instance of	c/Rubber properties