Creating a blockwave as udf -- CFD Online Discussion Forums

May 19, 2014, 07:00	Creating a blockwave as udf	#1
JochemGrietens New Member Jochem Grietens Join Date: Nov 2013 Location: Belgium Posts: 16 Rep Power: 13	Hi , I am trying to create a pitching and heaving airfoil. I have been working with CG_MOTION and sine and cosine waves for both vel[1] and Omega[2] but i would like to make a block wave for the velocity so that when the wing is flapping up , the speed is constant up untill te highest point . It would have the opposite velocity when coming down. I can't seem to make it work sicne u know nothing about C++ and my results need to be in next week... can somebody please help me ? ronak likes this.

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