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09 February 2025
 
  » arxiv » 1508.0082

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A peridynamic theory for linear elastic shells
Shubhankar Roy Chowdhury ; Pranesh Roy ; Debasish Roy ; J. N. Reddy ;
Date 1 Aug 2015
AbstractA state-based peridynamic formulation for linear elastic shells is presented. The emphasis is on introducing, possibly for the first time, a general surface based peridynamic model to represent the deformation characteristics of structures that have one physical dimension much smaller than the other two. A new notion of curved bonds is exploited to cater for force transfer between the peridynamic particles describing the shell. Starting with the three dimensional force and deformation states, appropriate surface based force, moment and several deformation states are arrived at. Upon application on the curved bonds, such states beget the necessary force and deformation vectors governing the motion of the shell. Correctness of our proposal on the peridynamic shell theory is numerically assessed against static deformation of spherical and cylindrical shells and flat plates.
Source arXiv, 1508.0082
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