crack in a plate

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Author Message   Mehdi Naderi (mnader4) Member Username: mnader4 Post Number: 55 Registered: 12-2006 Posted on Tuesday, August 12, 2008 - 05:00 pm:    Dear Mr. Nelson, I am wondering if you help me. The attached file is a crack in the plate. The model is symetric. when I use "feature" at the crack tip, meshes are coming out of the left wall of model. I mean, maximum velocity is not at the crack tip for the left part. Also, temperature distribution is not symetric. it seems there are two different heat source at the crack tip. Regrads, Mehdi crack crack-2D-2.pde (2.7 k)   Marek Nelson (mgnelson) Moderator Username: mgnelson Post Number: 67 Registered: 07-2007 Posted on Tuesday, August 12, 2008 - 11:21 pm:    You have defined a second width, w1, for the left, but applied the velocity function that was derived for the width w. If you add another velocity function with w1 instead of w, and apply it to the feature on the left, it should work.