nremove the nsle command as I mentioned previously.nChangennsel,r,loc,x,Radiusntonnsel,r,loc,x,0,Radius,0.00001 (or some other really small increment)nPreviously the command was selecting only nodes that were at exactly the radius you specified, and if there were nodes at that radius, they did not enclose an element face, so the load could not be applied.nI also noticed that your mesh is very coarse, the radius that you are trying to apply is smaller than one element. You should have multiple elements through this radius to capture the heat input. You can put a centre bias on your edge sizing to increase the number of nodes and elements where you are applying the load, while keeping the overall node/element count low.n