density gradient theory

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• Density functional theory — Electronic structure methods Tight binding Nearly free electron model Hartree–Fock method Modern valence bond Generalized valence bond Møller–Plesset perturbation theory …   Wikipedia

• Density gradient — is a spatial variation in density over an area. The term is used in the natural sciences to describe varying density of matter, but can apply to any quantity whose density can be measured. [1] [2] Contents 1 Aerodynamics 2 …   Wikipedia

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• Finite strain theory — Continuum mechanics …   Wikipedia

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• Strain energy density function — 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 = ar{W}(oldsymbol{F}) = hat{W}(oldsymbol{C}) =… …   Wikipedia

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• Scalar-tensor theory — Scalar tensor theories are theories that include a scalar field as well as a tensor field to represent an interaction, especially the gravitational one. Tensor fields and field theory Modern physics tries to derive all physical theories from as… …   Wikipedia