966 citations
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124 papers · 1 filter
Bursting bubble in an elasto-viscoplastic medium
A. G. Balasubramanian, V. Sanjay, M. Jalaal +2
A gas bubble sitting at a liquid-gas interface can burst following the rupture of the thin liquid film separating it from the ambient, owing to the large surface energy of the resu…
Drag prediction of rough-wall turbulent flow using data-driven regression
Zhaoyu Shi, Seyed Morteza Habibi Khorasani, Heesoo Shin +3
Efficient tools for predicting the drag of rough walls in turbulent flows would have a tremendous impact. However, methods for drag prediction rely on experiments or numerical simu…
Prediction of flow and elastic stresses in a viscoelastic turbulent channel flow using convolutional neural networks
Arivazhagan G. Balasubramanian, Ricardo Vinuesa, Outi Tammisola
Neural-network models have been employed to predict the instantaneous flow close to the wall in a viscoelastic turbulent channel flow. Numerical simulation data at the wall is util…
The effect of contact angle hysteresis on a droplet in a viscoelastic two-phase system
Kazem Bazesefidpar, Outi Tammisola
We investigate the dynamic behaviour of a two-dimensional (2D) droplet adhering to a wall in Poiseuille flow at low Reynolds numbers, in a system where either the droplet is viscoe…
The impact of finite span and wing-tip vortices on a turbulent NACA0012 wing
Siavash Toosi, Adam Peplinski, Philipp Schlatter +1
High-fidelity simulations are conducted to investigate the turbulent boundary layers around a finite-span NACA0012 wing with a rounded wing-tip geometry at a chord-based Reynolds n…
Predicting the wall-shear stress and wall pressure through convolutional neural networks
Arivazhagan G. Balasubramanian, Luca Guastoni, Philipp Schlatter +2
The objective of this study is to assess the capability of convolution-based neural networks to predict wall quantities in a turbulent open channel flow. The first tests are perfor…