On the constrained elastic ring (Q1095700)

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scientific article; zbMATH DE number 4028994
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English
On the constrained elastic ring
scientific article; zbMATH DE number 4028994

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    On the constrained elastic ring (English)
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    1988
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    The problem of a thin elastic ring contained within a smooth rigid cavity is considered for the case where the ring is subjected to a radial point load. The problem is approached as a moving intermediate boundary problem in the calculus of variations and a closed-form analytical solution is obtained. Numerical results are presented for several cases, revealing unstable behavior of the ring configuration.
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    arch equations
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    theorem of stationary potential energy
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    transversality condition
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    load-deflection
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    load-boundary angle spaces
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    thin elastic ring
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    smooth rigid cavity
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    radial point load
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    moving intermediate boundary problem
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    closed-form analytical solution
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    unstable behavior
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