Equations of state Base class burnman.eos.EquationOfState Birch-Murnaghan burnman.eos.BirchMurnaghanBase burnman.eos.BM2 burnman.eos.BM3 Stixrude and Lithgow-Bertelloni Formulation burnman.eos.SLBBase burnman.eos.SLB2 burnman.eos.SLB3 Modified Tait burnman.eos.MT Cork burnman.eos.CORK