Ansys Learning Forum Forums Discuss Simulation Fluids Kinetic Mechanisms and Arrhenius Equation Parameters in ANSYS Fluent Reply To: Kinetic Mechanisms and Arrhenius Equation Parameters in ANSYS Fluent

Vijay Narayan
Ansys Employee

One  more thing, what is the density formulation being used. By default it is incompressible ideal gas. Please change it to ideal gas formulation as your closed system pressure is also changing.

Try using a smaller time step of 1e-8 sec - you can increase it later and share your observation

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