Tennis is one of the few ball sports where the playing surface is routinely shuffled to make the game engaging for both the fans and the players. These surfaces exhibit different characteristics and present their own challenges, thus demanding different playing strategies from the players. Another key element influencing the ball's trajectory is undoubtedly the imparted spin. Used appropriately, it can raise the shot's error margin while simultaneously affecting the event of bounce. The current study aims to visualize the trajectory of a tennis ball for various kinds of imparted spins on different playing surfaces. This needs an understanding of the various aerodynamic forces in operation while the ball is in flight and the court's behavior that manipulates the trajectory on impact. The numerous parameters in play can be collectively altered to vary the shot placement along and across the court, the bounce of the ball and the time the opponent player gets to return the shot. We investigate and elaborate on the effect each of the parameters has on the ball's trajectory. Understanding this physics can provide valuable insights to the players and coaches in terms of precise shot execution and playing strategies.

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3D Numerical Simulations of a Tennis Ball Trajectory

  • Pasunuru Sai Vineeth,
  • Mahesh V. Panchagnula

摘要

Tennis is one of the few ball sports where the playing surface is routinely shuffled to make the game engaging for both the fans and the players. These surfaces exhibit different characteristics and present their own challenges, thus demanding different playing strategies from the players. Another key element influencing the ball's trajectory is undoubtedly the imparted spin. Used appropriately, it can raise the shot's error margin while simultaneously affecting the event of bounce. The current study aims to visualize the trajectory of a tennis ball for various kinds of imparted spins on different playing surfaces. This needs an understanding of the various aerodynamic forces in operation while the ball is in flight and the court's behavior that manipulates the trajectory on impact. The numerous parameters in play can be collectively altered to vary the shot placement along and across the court, the bounce of the ball and the time the opponent player gets to return the shot. We investigate and elaborate on the effect each of the parameters has on the ball's trajectory. Understanding this physics can provide valuable insights to the players and coaches in terms of precise shot execution and playing strategies.