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Recent content by neusun001

  1. neusun001

    Dynamic vs Quasi-static Crack propagation problem

    Thanks for your response! By quasi-static I mean a XFEM problem to be solved with time update via level set methods. So that, I take time updates, without doing the dynamic problem (only using [K]{u}={R}). Yes, by "natural modes" I mean vibration induced stresses. I'm not going to depend on...
  2. neusun001

    Dynamic vs Quasi-static Crack propagation problem

    Thanks rb1957.. I'm not interested in fracture but only crack growth. I'd want the machine to be taken out of operation before the fracture happens, to save a lot of money :). I read that quasi-static is accurate enough unless the crack growth is 'brutal'. Is that so? Does the natural modes of...
  3. neusun001

    Dynamic vs Quasi-static Crack propagation problem

    I'm trying to formulate the crack propagation problem for metal components of rotating machinery. Being an Electrical engineer, I started off learning fem and then fracture mechanics recently. Hence, forgive me for my ignorance. I'm trying to find a guideline, or some sort of reasoning, as to...
  4. neusun001

    Mindlin Reissner plate model in MATLAB

    Hello! I'm new to finite element method, I'm trying to learn how it works. I've started with a plate model, tried implementing mindlin reissner plate in xy plane, with 5 DOF (u,v,w,theta_x,theta_y). I made the element, connectivity and calculated displacements. I could match diplacements with...
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