How to define a crack at symmetry plane? Is it right idea? Crack seam we cant specify at symmetry edge (As crack seam can be specified at interior face of 2D). How to handle this type of situation? I need to find KI for different crack lengths. Its possible to find without define seam. But I m not confident about the results. If same crac length defined inside the face (other than symmetry edge) with partition, I can get crack tip stress field. But at symmetry without seam Im not getting. (Of course we cant get, That I can understand) What may be alternate for this? Anyone have Idea, pl share.
Hi Mathusuthanan Mari,
A seam is not needed for this case. Create two partition points (say a and b) at the symmetry edge – tips of the crack – and prescribe symmetry boundary conditions at all points of this edge except for the segment ab. Create two cracks at a and b (Special>Crack>Edit). Check “On symmetry plane (half-crack model)” in Edit Crack dialog.
Two cracks means, two stress intensity factors will come na? Which one we can take?
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