Nonlinear deflection experiments: wrinkling of plates pressed onto foundations

Salamon, Nicholas J.; Salamon, Peggy B.

doi:10.2140/jomms.2020.15.489

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Nonlinear deflection experiments: wrinkling of plates pressed onto foundations

Nicholas J. Salamon and Peggy B. Salamon

Vol. 15 (2020), No. 4, 489–498

DOI: 10.2140/jomms.2020.15.489

Abstract

Experiments are done on elastic plates set unilaterally on foundations or substrates and driven into large deflections by a centrally located load. Previous and related work that report wrinkling in such problems, especially in thin layers on substrates, is reviewed. Deflection contours and tabulated data are given for one wrinkled state. Photographs of others illustrate wrinkling in plates of various geometry. It is found that for certain plate-foundation relative stiffnesses, a characteristic, periodic wrinkling shape evolves, but on the brink of instability that presents a challenge for both analytical solution and numerical simulation.

Keywords

plate, nonlinear, deflection, foundation, unilateral, contact, wrinkling

Milestones

Received: 28 February 2020

Accepted: 6 May 2020

Published: 19 October 2020

Authors

Nicholas J. Salamon
Engineering Science and Mechanics The Pennsylvania State University University Park, PA 16802 United States

Peggy B. Salamon

Vol. 15, No. 4, 2020

Nicholas J. Salamon and Peggy B. Salamon

Abstract

Keywords

Milestones

Authors