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BIFURCATION, BULGING AND WRINKLING OF A SQUARE SHEET METAL WITH NON-UNIFORM TENSION 1)[J]. Chinese Journal of Theoretical and Applied Mechanics, 1998, 30(1): 76-82. DOI: 10.6052/0459-1879-1998-1-1995-100
Citation: BIFURCATION, BULGING AND WRINKLING OF A SQUARE SHEET METAL WITH NON-UNIFORM TENSION 1)[J]. Chinese Journal of Theoretical and Applied Mechanics, 1998, 30(1): 76-82. DOI: 10.6052/0459-1879-1998-1-1995-100

BIFURCATION, BULGING AND WRINKLING OF A SQUARE SHEET METAL WITH NON-UNIFORM TENSION 1)

  • The bifurcation, bulging and wrinkling behaviors of square sheet metals with non-uniform tension (called as YBT) are numerically simulated, based on Hill's sufficient condition ofυniqueness for elastic plastic materials, virtual power-rate variational principle, and Mindlin shell element model The calculated results are compared with experimental ones Finally, the effects of the sheet thickness t and the tensile width B at the boundary surface of bifurcation and wrinkling models are discussed ...
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