3D-printing and cylinder buckling: challenges and opportunities

SA Cooley, H Yang, LN Virgin - … Transactions of the …, 2023‏ - royalsocietypublishing.org
Cylinder buckling is notoriously sensitive to small geometric imperfections. This is an
underlying motivation for the use of knock-down factors in the design process, especially in …

[HTML][HTML] Vibrational turbine piezoelectric nanogenerators for energy harvesting in multiphase flow fields

KJI Egbe, AM Nazar, P Jiao, Y Yang, X Ye, H Wang - Energy Reports, 2021‏ - Elsevier
This study reports the vibrational turbine piezoelectric nanogenerators (VT-PENG) that use
magnetic coupling to trigger a set of silicon rubber strips embedded with piezoelectric films …

Deterministic snap-through buckling and energy trap** in axially-loaded notched strips for compliant building blocks

Y Zhao, AJJM Joseph, Z Zhang, C Ma… - Smart Materials and …, 2020‏ - iopscience.iop.org
Harnessing elastic instabilities has enabled recent advances in new classes of materials
and devices due to the characteristics of amplifying force and augmented motion. Achieving …

[HTML][HTML] Experimental path-following of equilibria using Newton's method. Part I: Theory, modelling, experiments

J Shen, RMJ Groh, M Schenk, A Pirrera - International Journal of Solids …, 2021‏ - Elsevier
Modern numerical path-following techniques provide a comprehensive suite of
computational tools to study the bifurcation behaviour of engineering structures. In contrast …

Experimental studies on snaking in 3D-printed cylindrical shells under axial compression using photogrammetry

V Ravulapalli, G Raju… - Proceedings of the …, 2024‏ - royalsocietypublishing.org
The buckling instability of cylindrical shells under axial compression has been one of the
most renowned problems in structural engineering for several decades. Many pioneering …

Harnessing seeded geometric imperfection to design cylindrical shells with tunable elastic postbuckling behavior

N Hu, R Burgueño - Journal of Applied Mechanics, 2017‏ - asmedigitalcollection.asme.org
Geometric imperfection, known as a detrimental effect on the buckling load of cylindrical
shells, has a new role under the emerging trend of using buckling for smart purposes …

Beyond the fold: experimentally traversing limit points in nonlinear structures

RM Neville, RMJ Groh, A Pirrera… - Proceedings of the …, 2020‏ - royalsocietypublishing.org
Recent years have seen a paradigm shift regarding the role of nonlinearities and elastic
instabilities in engineering science and applied physics. Traditionally viewed as unwanted …

Harnessing postbuckling instability of piezoelectric cylinders with corrugation for energy harvesting

KJI Egbe, AM Nazar, P Jiao… - Active and Passive Smart …, 2021‏ - spiedigitallibrary.org
In this study, we explore the postbuckling instability of piezoelectric-integrated cylinders
under axial displacement for energy harvest applications. Experiments are conducted using …

Nudging axially compressed cylindrical panels toward imperfection insensitivity

BS Cox, RMJ Groh, A Pirrera - Journal of Applied …, 2019‏ - asmedigitalcollection.asme.org
Curved shell structures are known for their excellent load-carrying capability and are
commonly used in thin-walled constructions. Although theoretically able to withstand greater …