Ramping -- CFD Online Discussion Forums

March 29, 2007, 07:59	Ramping	#1
DBN Guest Posts: n/a	I am using Fire Dynamic Simulator, FDS code for modelling fire scenario. In one case I am defining mass flux of fuel, when I cross check the output, the converted velocity profile shows continous fluctuations around mean valus. Even if I am defining the mass flux for 15 sec, in that 15 sec, the velocity calculated is not remaining fix. I am unable to find out the solution, can anybody help me in this matter. Is it becasue of GRID generation. I am using COARSE grid

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