which equations used in phoenics
hi every body i am new user of phoenics i would to know which equation actually phoenics sloves. can you write these equations. i try the phoenics help but its not clear. thabks in advance

Re: which equations used in phoenics
PHOENICS solves the Navier Stokes equations, ie conservation equations for continuity, momentum, energy (in terms of temperature, static enthalpy or total enthalpy)and species mass fractions, and also turbulence transport equations. There is an option to solve these equations for a twophase EulerianEulerian system, and also for a multiphase EulerianLagrangian system using Lagrangian particle tracking to represent the particulate phases. These equations can be solved in cartesian, cylindricalpolar or bodyfitted coordinate systems.

Re: which equations used in phoenics
thanks mike for very clear anwser, but i don't know why the Substantial derivative of pressure with negative sign in the R.H.S in the energy equation. i think it should be postive!

Re: which equations used in phoenics
Yes, it is positive. For example, when a gas undergoes adiabatic compression the temperature must rise.

Re: which equations used in phoenics
mass, energy and momentum

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