OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › About ConvectionBC › Re: About ConvectionBC July 12, 2017 at 2:41 am #2659 steed188Participant I’ve no idea what the uAv value means. There seems no comments about uAv in the source Code. How should I get uAv value? Do I just create an new empty pointer? Best steed188