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April 20, 2026Extreme Mechanics LettersOpen Access

Tensile wrinkling and creasing of an elastic half-space under a suction load

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Authors

RSR. SpringhettiDBDavide Bigoni

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Overview

This analysis demonstrates how suction loads induce surface instabilities in elastic materials, implying novel interactions in mechanobiology.

Key Points

  • The aim is to explore the effects of suction loads on the wrinkling and creasing instabilities of elastic half-spaces.
  • Analyzed the behavior of an elastic half-space under suction load
  • Employed incompressible neo-Hookean elasticity model
  • Considered both uniaxial and biaxial prestress states
  • Examined loading paths and their effects on surface stability
  • Suction load leads to unexpected wrinkling and creasing, contrary to predictions for pressure loads
  • No instability occurs under uniaxial prestress when pressure is applied1
  • Biaxial prestress loading paths can grow indefinitely without causing instability
  • Findings suggest pressure can either promote or delay instabilities, with implications for mechanobiology and fluid–structure interaction.

Cite This Study

Springhetti et al. (2026) studied this question.

synapsesocial.com/papers/69e5c2d003c2939914028ce7https://doi.org/10.1016/j.eml.2026.102481
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