Piston motion with time varying experimental data oscillatingFixedValue -- CFD Online Discussion Forums

March 12, 2009, 17:31	I am using openfoam 1.4 in cyg	#1
eno New Member Sean Bian Join Date: Mar 2009 Posts: 19 Rep Power: 17	I am using openfoam 1.4 in cygwin to solve internal compressible turbulent flow under the motion of a piston. By modifying rhoTurbFoam I can use oscillatingFixedValue in cellMotionUX to define a sinusoidal piston motion Ux = f(asin(2pit)+1). The mesh deforms as expected and the simulation looks reasonable. Now I want to drive the piston with motions (time varying, no sinusoidal displacement) measured from experiment. How can I do it?

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