Nov 3, 2006 #1 Bigtree Structural Jan 30, 2006 65 Hi, I request RF in the history output at the crack front, but it gave me zero? How come?
Nov 3, 2006 #2 corus Mechanical Nov 6, 2002 3,165 Because the reaction force is zero everywhere except at a restraint. corus Upvote 0 Downvote
Nov 3, 2006 1 Thread starter #3 Bigtree Structural Jan 30, 2006 65 Thanks. So I need to constraint the crack tip/front, right? Upvote 0 Downvote
Nov 3, 2006 #4 corus Mechanical Nov 6, 2002 3,165 No. If you want to see the forces acting at the tip then ask for the individual element nodal forces. The sum of all the element nodal forces at one coincident node will, of course, be zero. corus Upvote 0 Downvote
No. If you want to see the forces acting at the tip then ask for the individual element nodal forces. The sum of all the element nodal forces at one coincident node will, of course, be zero. corus
