separate time step for mass fraction? -- CFD Online Discussion Forums

August 10, 2007, 06:40	separate time step for mass fraction?	#1
joe Guest Posts: n/a	hello, i simulate a problem with cfx 11 including a mass fraction. since that mass fraction moves with a very low settling velocity (downwards slip velocity)- in comparison to the flow of the constraint, i would like to solves the equation of the mass fraction with a bigger time step than the "global time step size". Does anyoune kmow if this is possible with a transient simulation? thanks! joe

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