Bifurcation and deformation during the evolution of periodic patterns on a gel film bonded to a soft substrate
H Miyoshi, S Matsubara, D Okumura - … of the Mechanics and Physics of …, 2021 - Elsevier
In this study, we investigate the bifurcation and deformation during the evolution of periodic
patterns on a gel film bonded to a soft substrate. 3D finite element analysis is performed …
patterns on a gel film bonded to a soft substrate. 3D finite element analysis is performed …
[HTML][HTML] Wrinkle, fold, and ridge patterns of thin films attached to a compliant substrate: Direct numerical simulations involving plastic yielding
S Nikravesh, YL Shen - Thin-Walled Structures, 2024 - Elsevier
Surface wrinkling is a frequently observed form of deformation instability when a thin film
bonded to a compliant substrate is under in-plane compression. In this study, a recently …
bonded to a compliant substrate is under in-plane compression. In this study, a recently …
Surface Wrinkling versus Global Buckling Instabilities in Thin Film‐Substrate Systems under Biaxial Loading: Direct 3D Numerical Simulations
When a thin film bonded to a compliant substrate is subject to in‐plane compressive loading,
wrinkles on the thin film may form as a consequence of deformation instability. The …
wrinkles on the thin film may form as a consequence of deformation instability. The …
Plasticity-mediated deformation instabilities in thin film-compliant substrate systems: direct three-dimensional simulations
S Nikravesh, YL Shen - Journal of Materials Science, 2024 - Springer
Surface wrinkles driven by mechanical instability commonly form in thin-film structures
attached to a compliant substrate. In this study, a recently developed computational …
attached to a compliant substrate. In this study, a recently developed computational …
Diversity of the bifurcations and deformations on films bonded to soft substrates: Robustness of the herringbone pattern and its cognate patterns
S Kikuchi, S Matsubara, S Nagashima… - Journal of the Mechanics …, 2022 - Elsevier
In this study, we investigate the diversity of the bifurcations and deformations during
evolution of periodic patterns on compressed films bonded to compliant substrates. Three …
evolution of periodic patterns on compressed films bonded to compliant substrates. Three …
[HTML][HTML] Crease instability in Gent-Gent hyperelastic materials
S Matsubara, K Kobayashi, T Ishida… - International Journal of …, 2024 - Elsevier
We study the crease instability of an incompressible Gent-Gent elastomer under general
loading conditions. The Gent-Gent model has two distinct characteristics: the logarithmic …
loading conditions. The Gent-Gent model has two distinct characteristics: the logarithmic …
Evolution of thin-film wrinkle patterns on a soft substrate: direct simulations and the effects of the deformation history
S Nikravesh, YL Shen - Nanomaterials, 2022 - mdpi.com
Surface wrinkling instability in thin films attached to a compliant substrate is a well-
recognized form of deformation under mechanical loading. The influence of the loading …
recognized form of deformation under mechanical loading. The influence of the loading …
Direct numerical simulations of three-dimensional surface instability patterns in thin film-compliant substrate structures
A comprehensive numerical study of three-dimensional surface instability patterns is
presented. The formation of wrinkles is a consequence of deformation instability when a thin …
presented. The formation of wrinkles is a consequence of deformation instability when a thin …
[PDF][PDF] Evolution of Thin-Film Wrinkle Patterns on a Soft Substrate: Direct Simulations and the Effects of the Deformation History. Nanomaterials 2022, 12, 3505
S Nikravesh, YL Shen - 2022 - researchgate.net
Surface wrinkling instability in thin films attached to a compliant substrate is a well-
recognized form of deformation under mechanical loading. The influence of the loading …
recognized form of deformation under mechanical loading. The influence of the loading …
Method of Embedded Imperfections for the Direct Simulation of Deformation Instabilities in Film-Substrate Structures
SN Kazeroni - 2022 - search.proquest.com
In this dissertation, a novel finite-element methodology called “embedded imperfections” is
proposed and employed for computationally simulating various types of deformation …
proposed and employed for computationally simulating various types of deformation …