A scale-invariant condition using two elastica integrals predicts the compressive load for self-contact onset in buckled rods, independent of boundary conditions, with post-contact configurations computed for modes 3-10.
Constrained euler buckling
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Self-contact in a buckled elastica
A scale-invariant condition using two elastica integrals predicts the compressive load for self-contact onset in buckled rods, independent of boundary conditions, with post-contact configurations computed for modes 3-10.