This work describes the energy dissipation arising from microslip for an elastic shell incorporating shear and longitudinal deformation resting on a rough-rigid foundation. This phenomenon is investigated using finite element (FE) analysis and nonlinear geometrically exact shell theory. Both approaches illustrate the effect of shear within the shell and observe a reduction in the energy dissipated from microslip as compared to a similar system neglecting shear deformation. In particular, it is found that the shear deformation allows for load to be transmitted beyond the region of slip so that the entire interface contributes to the load carrying capability of the shell. The energy dissipation resulting from the shell model is shown to agree well with that arising from the FE model, and this representation can be used as a basis for reduced order models that capture the microslip phenomenon.
Shear Effects on Energy Dissipation From an Elastic Beam on a Rigid Foundation
Manuscript received August 10, 2015; final manuscript received October 7, 2015; published online October 20, 2015. Assoc. Editor: Daining Fang.
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Brink, A. R., and Dane Quinn, D. (October 20, 2015). "Shear Effects on Energy Dissipation From an Elastic Beam on a Rigid Foundation." ASME. J. Appl. Mech. January 2016; 83(1): 011004. https://doi.org/10.1115/1.4031764
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