I have a whole vehicle chassis model (wheels,links, subframes etc) currently the bushes are linear and performing small displacement/strain, modal transient analyses in NASTRAN, with modal damping. I need to introduce better damping of the subframe hydramounts. The only data I have from the...
Just a thought... no problem with the flat straps in principal but you could pierce the neutral axis of the column put the flat bar right thro and fillet weld both sides of the web. I have done a similar thing with round tube before. Clearly the tube has much better weld area so the welds are...
George, agree with Rasna, usual thing is to put a node at the c/g of the fluid, then use an RBE3 (flexible) element to connect this to a reasonable spread of nodes over the tank. As a refinement add a duplicate node positioned at the fluid centroid, connect it via 2 horizontal springs and add...
