Fiber model for cross-sections.

Modules
	Classes for fiber section representation.

Classes
class	XC::FiberSection2d
	Fiber section model in a bi-dimensional space. More...
class	XC::FiberSection3d
	Fiber section model in a three-dimensional space. More...
class	XC::FiberSection3dBase
	Base class for fiber sections on three-dimensional problems. More...
class	XC::FiberSectionBase
	Base class for fiber sections. More...
class	XC::FiberSectionGJ
	Fiber section with torsional stiffness. More...

Detailed Description