scholarly journals Video: Effects of Orientation, Lateral Dimension, and Release Height on Air-Entraining Cavity Dynamics: Water Entry of a Solid Cylinder

2018 ◽  
Author(s):  
Sharey Deep Guleria ◽  
Atul Dhar ◽  
Dhiraj V. Patil
Keyword(s):  
Water Entry ◽  
Solid Cylinder ◽  
Lateral Dimension ◽  
Release Height ◽  
Video Effects

scholarly journals Effect of Static Stress on Plane Strain Vibrations in Poroelastic Solid Cylinder

2015 ◽  
Vol 127 ◽  
pp. 727-734
Author(s):  
Rajitha Gurijala ◽  
Malla Reddy Perati
Keyword(s):  
Plane Strain ◽  
Static Stress ◽  
Solid Cylinder

scholarly journals A Simulation of the Effects of Badminton Serve Release Height

2021 ◽  
Vol 11 (7) ◽  
pp. 2903
Author(s):  
John Rasmussen ◽  
Mark de Zee
Keyword(s):  
Experimental Data ◽  
Monte Carlo Simulation ◽  
Monte Carlo ◽  
World Federation ◽  
Forward Dynamics ◽  
Dynamics Model ◽  
Rib Cage ◽  
Female Player ◽  
Ballistic Trajectory ◽  
Release Height

In this work, we develop and calibrate a model to represent the trajectory of a badminton shuttlecock and use it to investigate the influence of serve height in view of a new serve rule instated by the Badminton World Federation. The new rule means that all players must launch the shuttlecock below a height of 1.15 m, as opposed to the old rule whereby the required launch height was under the rib cage of the server. The model is based on a forward dynamics model of ballistic trajectory with drag, and it is calibrated with experimental data. The experiments also served to determine the actual influence of the new rule on the shuttlecock launch position. The model is used in a Monte Carlo simulation to determine the statistical influence of the new serve rules on the player’s ability to perform good serves; i.e., serves with little opportunity for the receiver to attack. We conclude that, for the female player in question, serving below a height of 1.15 m makes it marginally more difficult to perform excellent serves. We also conclude that there might be alternative launch positions that would be less likely to produce the best serves but could be exploited as a tactical option.

Numerical simulation of the effect of waves on cavity dynamics for oblique water entry of a cylinder

2020 ◽  
Vol 32 (6) ◽  
pp. 1178-1190
Author(s):  
Gui-yong Zhang ◽  
Zhao Hou ◽  
Tie-zhi Sun ◽  
Hai-peng Wei ◽  
Ning Li ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Water Entry

Different closure patterns of the hollow cylinder cavities with various water-entry velocities

2021 ◽  
Vol 221 ◽  
pp. 108526
Author(s):  
Yu Hou ◽  
Zhengui Huang ◽  
Zhihua Chen ◽  
Zeqing Guo ◽  
Lei Han
Keyword(s):  
Hollow Cylinder ◽  
Water Entry

Effect of upper layer immiscible liquids on the water entry phenomena

2021 ◽  
Vol 226 ◽  
pp. 108864
Author(s):  
Chunyong Fan ◽  
Xiangwei Dong ◽  
Zengliang Li
Keyword(s):  
Water Entry ◽  
Immiscible Liquids
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