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Collapse and folding of pressurized rings in two dimensions
2009
Physical Review E
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Hydrostatically pressurized circular rings confined to two dimensions (or cylinders constrained to have only z-independent deformations) undergo Euler type buckling when the outside pressure exceeds a critical value. We perform a stability analysis of rings with arc-length dependent bending moduli and determine how weakened bending modulus segments affect the buckling critical pressure. Rings with a 4-fold symmetric modulation are particularly susceptible to collapse. In addition we study the
doi:10.1103/physreve.79.056604
pmid:19518579
fatcat:alk5do7hibd3dixycieoby2prm