Zhang Shuang-yin, C. M. Leech. FEM Analysis on Mixed-Mode Fracture of CSM-GRP[J]. Applied Mathematics and Mechanics, 1986, 7(8): 689-702.
Citation: Zhang Shuang-yin, C. M. Leech. FEM Analysis on Mixed-Mode Fracture of CSM-GRP[J]. Applied Mathematics and Mechanics, 1986, 7(8): 689-702.

FEM Analysis on Mixed-Mode Fracture of CSM-GRP

  • Received Date: 1985-03-15
  • Publish Date: 1986-08-15
  • An FEM analysis for studying mized-mode fracture problem of chopped strand mat glass fibre reinforced polyester laminate was presented, The analysis was formulated on the basis of 8-node quadrilateral isoparametric element, The collapsed triangular quarter-point singular elements were used for calculating stress intensity factors K and K. The crank propagation process was computed by implementing constraint release technique, Three different approaches to the solution of stress intensity factors K and K were compared, The effect of constraint condition imposed upon the displacement of the three collapsed nodes of the crack tip elements on the K and K results was evaluated, The mixed-mode critical stiress intensity factors KⅠC and KⅡC were estimated for CSM-GRP through the consideration of K and K calculated and the measured failure load and critical crack length in the experiment.
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