Elastic isotropic n-dimensional material.

Classes
class	XC::DruckerPrager
	Drucker-Prager material. More...
class	XC::DruckerPrager3D
	Drucker-Prager 3D material. More...
class	XC::DruckerPragerPlaneStrain
	Drucker-Prager plane strain material. More...

Detailed Description