unconventional Hamilton variational principle in p

unconventional Hamilton variational principle in phase space

variational principle in elasticy

fluid mechanics in porous media

fluid mechanics in porous medium

Journal of Experiments in Fluid Mechanics

adjoint variational principle

auxiliary variational principle

auxiliary variational principle technique

complementary variational principle

constrained variational Principle

coupled variational principle

differential and variational principle

differential variational principle

discrete variational principle

dual variational principle

Ekaland’s variational principle

Ekeland variational principle

Ekeland’s variational principle