OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Change material number › Re: Change material number August 18, 2015 at 7:44 pm #2237 mathiasKeymaster Hi Liliana,rnrnPlease have a look at our thermalXd example. There, we have the same set-up implemement which you seek to archive. If it doesnt work, please, send Thomas your case ;-).rnrnBestrnMathias