The paper proves convexity of the admissible set for the four-equation model, introduces a robust solver for pressure-temperature equilibrium with arbitrary materials, and proves existence and uniqueness of the equilibrium solution under thermodynamic assumptions.
Existence condi- tion for detonations in condensed explosives with pressure–temperature equilib- rium models.Physics of Fluids, 36(11):116124, 11 2024
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Analysis, thermodynamics, and a numeric solver for a pressure-temperature equilibrium closure of the four-equation model
The paper proves convexity of the admissible set for the four-equation model, introduces a robust solver for pressure-temperature equilibrium with arbitrary materials, and proves existence and uniqueness of the equilibrium solution under thermodynamic assumptions.