Curvature delays growth-induced wrinkling

F Jia, SP Pearce, A Goriely - Physical Review E, 2018 - APS
Wrinkling patterns can be induced by the growth of a thin elastic film over a soft elastic
substrate. While there is a good understanding of how this pattern is initiated on a flat …

[HTML][HTML] Surface wrinkling of a film coated to a graded substrate

RC Liu, Y Liu, A Goriely - Journal of the Mechanics and Physics of Solids, 2024 - Elsevier
We study the surface wrinkling of a stiff thin elastic film bonded to a compliant graded elastic
substrate subject to compressive stress generated either by compression or growth of the …

A novel buckling pattern in periodically porous elastomers with applications to elastic wave regulations

Y Liu, T Liang, Y Fu, YX Xie, YS Wang - Extreme Mechanics Letters, 2022 - Elsevier
This paper proposes a new metamaterial structure consisting of a periodically porous
elastomer with pore coatings. This design enables us to engender finite deformation by a …

Surface instabilities in graded tubular tissues induced by volumetric growth

Y Liu, Z Zhang, G Devillanova, Z Cai - International Journal of Non-Linear …, 2020 - Elsevier
Growth-induced pattern formation in tubular tissues is intimately correlated to normal
physiological functions. Moreover, either the microstructure or certain diseases can give rise …

Effects of pre-stretch, compressibility and material constitution on the period-doubling secondary bifurcation of a film/substrate bilayer

ZX Cai, YB Fu - International Journal of Non-Linear Mechanics, 2019 - Elsevier
We refine a previously proposed semi-analytical method, and use it to study the effects of
pre-stretch, compressibility and material constitution on the period-doubling secondary …

Influence of the growth gradient on surface wrinkling and pattern transition in growing tubular tissues

RC Liu, Y Liu, Z Cai - Proceedings of the Royal Society …, 2021 - royalsocietypublishing.org
Growth-induced pattern formations in curved film-substrate structures have attracted
extensive attention recently. In most existing literature, the growth tensor is assumed to be …

Mechanics of human brain organoids

V Balbi, M Destrade, A Goriely - Physical Review E, 2020 - APS
Organoids are prototypes of human organs derived from cultured human stem cells. They
provide a reliable and accurate experimental model to study the physical mechanisms …

[HTML][HTML] Localized bulging in an inflated bilayer tube of arbitrary thickness: Effects of the stiffness ratio and constitutive model

Y Ye, Y Liu, A Althobaiti, YX Xie - International Journal of Solids and …, 2019 - Elsevier
We study a bilayer tube subject to inflation and axial stretching to reveal the effects of s,
which is the ratio of the shear modulus of the outer layer to that of the inner layer, the …

An experimental study of morphological formation in bilayered tubular structures driven by swelling/growth

RC Liu, L Jin, Z Cai, Y Liu - Mathematics and Mechanics of …, 2022 - journals.sagepub.com
Circumferential wrinkling in soft tubular tissues is vital in supporting normal physiological
functions. Most existing literature was dedicated to theoretical modeling and finite element …

[HTML][HTML] Post-buckling analysis on growing tubular tissues: A semi-analytical approach and imperfection sensitivity

L Jin, Y Liu, Z Cai - International Journal of Solids and structures, 2019 - Elsevier
Deriving the amplitude equation for a buckling mode is an important issue in non-linear
elasticity. Focusing on pattern formations in growing tubular tissues, many existing literature …