ψvol	ψdev
Arruda-Boyce	$\frac{1}{D}\left(\frac{J^2-1}{2}-\ln (J)\right)$	$$\begin{gathered} \mu \{\frac{1}{2}\left({\overline{I}}_1-3\right)+\frac{1}{20{\lambda }_m^2}({\overline{I}}_1^2-9)+\frac{11}{1050{\lambda }_m^4}({\overline{I}}_1^3- \\ 27)+\frac{19}{7000{\lambda }_m^6}({\overline{I}}_1^4-81)+\frac{519}{673750{\lambda }_m^8}({\overline{I}}_1^5-243)\} \end{gathered}$$	(2)
Mooney-Rivlin	$\frac{1}{D}{(J-1)}^2$	$C_{10}\left({\overline{I}}_1-3\right)+C_{01}\left({\overline{I}}_2-3\right)$	(3)
Isihara	$\frac{1}{D}{(J-1)}^2$	$C_{10}\left({\overline{I}}_1-3\right)+C_{01}\left({\overline{I}}_2-3\right)+C_{20}{\left({\overline{I}}_1-3\right)}^2$	(4)