build a controller -- CFD Online Discussion Forums

July 5, 2013, 05:37	build a controller	#1
wernsen Member Martin Join Date: Nov 2011 Posts: 35 Rep Power: 14	Hey guys, I would like to build a controller which regulates a boundary condition. For this job I need a PI-Controller. To create the (p)ropotional part is no problem with reports and fieldfunctions. The (i)ntegral part however is quite confusing since I need some kind of variable which I can change its value. v_new = v_old + something Due to the fact that reports and fieldfunctions are read-only I stuck here. Actually I just need a read- and writable variable. Any tips?

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