Flow-induced vibrations of a pair of in-line square cylinders
Flow-induced bidirectional vibrations of two in-line square cylinders of same size and mass
ratio (= 10) are analyzed at Reynolds number, Re= 100. The cylinders are located in the …
ratio (= 10) are analyzed at Reynolds number, Re= 100. The cylinders are located in the …
[HTML][HTML] Flow-induced vibration of inherently nonlinear structures with applications in energy harvesting
This paper proposes a novel design for a flow-induced vibration-based energy harvester,
consisting of an elastic L-shaped beam, with an inherent nonlinearity in its structural stiffness …
consisting of an elastic L-shaped beam, with an inherent nonlinearity in its structural stiffness …
Flow-induced vibrations of circular cylinder in tandem arrangement with D-section cylinder at low Reynolds number
NB Darbhamulla, R Bhardwaj - Physics of Fluids, 2021 - pubs.aip.org
Elastically mounted circular cylinder in a fluid flow undergoes vortex-induced vibrations
(VIV) and exhibits high amplitudes, however in a limited range of reduced velocity (UR) …
(VIV) and exhibits high amplitudes, however in a limited range of reduced velocity (UR) …
Cross-flow vortex-induced vibrations of a circular cylinder under stochastic inflow at low Reynolds number
The vortex-induced vibrations of an elastically mounted circular cylinder (with mass ratio= 2)
in stochastically fluctuating inflow are numerically studied at a Reynolds number of 150 …
in stochastically fluctuating inflow are numerically studied at a Reynolds number of 150 …
Three-dimensional wake dynamics behind a tapered cylinder with large taper ratio
AK De, S Sarkar - Physics of Fluids, 2020 - pubs.aip.org
We have performed direct numerical simulations of flow past a tapered circular cylinder
during the early transition to three dimensions for two successive taper ratios (TR) of 20 and …
during the early transition to three dimensions for two successive taper ratios (TR) of 20 and …
Simultaneous streamwise and cross-stream oscillations of a diamond oscillator at low Reynolds numbers
A two-dimensional stabilized space-time finite-element-based in-house solver is used to
explore flow around an elastically mounted rigid diamond oscillator undergoing undamped …
explore flow around an elastically mounted rigid diamond oscillator undergoing undamped …
Determination of the transition mass ratio for onset of galloping of a square cylinder at the least permissible Reynolds number of 150
The Den Hartog stability criterion tests for galloping of an oscillator. A square cylinder
satisfies this and is susceptible to galloping. This criterion being necessary for occurrence of …
satisfies this and is susceptible to galloping. This criterion being necessary for occurrence of …
[HTML][HTML] Deciphering the influence of shape on vortex-induced vibrations: Insight from diamond and equilateral triangle cylinder simulations
AK Sourav, BP Tallapragada - Physics of Fluids, 2023 - pubs.aip.org
In this study, we present a comprehensive numerical investigation on the impact of
geometric shapes on vortex-induced vibrations (VIV). We deploy the OpenFOAM …
geometric shapes on vortex-induced vibrations (VIV). We deploy the OpenFOAM …
Surface pressure and viscous forces on inclined elliptic cylinders in steady flow
S Sen - Sādhanā, 2020 - Springer
Surface pressure characteristics of elliptic cylinders of various thicknesses and orientations
are investigated in steady flow regime. A stabilized finite-element method has been used to …
are investigated in steady flow regime. A stabilized finite-element method has been used to …
Wake modes of a freely vibrating square cylinder
S Sen - Physics of Fluids, 2022 - pubs.aip.org
The cross-stream flow-induced vibrations of a square cylinder of mass ratio, m*= 10, are
studied numerically at a fixed Reynolds number, Re, of 250. The reduced speed, U*, is …
studied numerically at a fixed Reynolds number, Re, of 250. The reduced speed, U*, is …