Flow structure around and heat transfer from cylinders modified from square to circular
This work aims at numerically investigating the influence of corner modification on the flow
structure around and heat transfer from a square cylinder at a Reynolds number Re= 150 …
structure around and heat transfer from a square cylinder at a Reynolds number Re= 150 …
Machine learning-aided design optimization of a mechanical micromixer
FJ Granados-Ortiz, J Ortega-Casanova - Physics of Fluids, 2021 - pubs.aip.org
In real-life mechanical engineering applications, it is often complex to achieve an optimal
multi-objective design, because of the costs related to fabrication and test of different …
multi-objective design, because of the costs related to fabrication and test of different …
Control of vortex-induced vibration of an elastically mounted cylinder with a pair of porous rods
J Chen, J Wu - Physics of Fluids, 2022 - pubs.aip.org
In this work, the control of vortex-induced vibration (VIV) of an elastically mounted cylinder
with a pair of porous rods is numerically investigated at a Reynolds number of 150. To …
with a pair of porous rods is numerically investigated at a Reynolds number of 150. To …
A further investigation on the data assimilation-based small-scale reconstruction of turbulence
Existing works have shown that the small-scale errors of turbulence can be completely
eliminated through data assimilation (DA), provided that all the large-scale Fourier modes …
eliminated through data assimilation (DA), provided that all the large-scale Fourier modes …
Machine learning for adjoint vector in aerodynamic shape optimization
M Xu, S Song, X Sun, W Chen, W Zhang - Acta Mechanica Sinica, 2021 - Springer
Adjoint method is widely used in aerodynamic design because only once solution of flow
field is required for it to obtain the gradients of all design variables. However, the …
field is required for it to obtain the gradients of all design variables. However, the …
Temporally sparse data assimilation for the small-scale reconstruction of turbulence
Previous works have shown that the small-scale information of incompressible
homogeneous isotropic turbulence is fully recoverable as long as sufficient large-scale …
homogeneous isotropic turbulence is fully recoverable as long as sufficient large-scale …
Optimal design of an autonomous underwater helicopter's shape based on combinatorial optimization strategy
Q Wen, R Feng, X An, Y Chen, H Huang - Ocean Engineering, 2022 - Elsevier
In this study, the shape of the autonomous underwater helicopter (AUH) was optimized. AUH
is a new type of disc autonomous underwater vehicle with good maneuverability and …
is a new type of disc autonomous underwater vehicle with good maneuverability and …
Three-dimensional shape optimization of a submerged body under wave diffraction
C Lu, J Liu, A Guo - Physics of Fluids, 2023 - pubs.aip.org
This study explores the use of shape optimization to reduce wave forces on a submerged
floating body subjected to wave diffraction. To this end, gradient-based shape optimization is …
floating body subjected to wave diffraction. To this end, gradient-based shape optimization is …
Vortex-induced vibrations of flexible cylinders predicted by wake oscillator model with random components of mean drag coefficient and lift coefficient
YL Feng, DY Chen, SW Li, Q Xiao, W Li - Ocean Engineering, 2022 - Elsevier
In the present study, vortex-induced vibrations in both In-Line and Cross-Flow directions of
long flexible cylinders within a uniform flow are predicted by a modified wake oscillator …
long flexible cylinders within a uniform flow are predicted by a modified wake oscillator …
Passive control of cylinder aeolian tone by surface protrusions at low Reynolds number
K Kusano - Physics of Fluids, 2023 - pubs.aip.org
Aerodynamic noise control is important for various engineering applications, including
automobiles. To develop effective control methods for the flow and sound of bluff bodies …
automobiles. To develop effective control methods for the flow and sound of bluff bodies …