Impact Analyses of a Tennis Ball onto Water-Filled Containers
DOI:
https://doi.org/10.4186/ej.2017.21.1.109Keywords:
Impact, tennis ball, water-filled containers, finite element analysis.Abstract
Water-filled containers have long known for its structural characteristic of impact load absorption. This paper presents design of structures resisting to impact load resulting from a high-velocity tennis ball. One cubic meter water containers consisting of rectangular, cylindrical, and spherical water containers and water levels were studied for their stress distribution and deformation during maximum deformation period using finite element analysis in the ANSYS 15.0 software. The containers were modeled by using shell elements and made of elasto-plastic material of HDPE plastic. The filled water was model by using fluid elements. We found that as ball velocity increased, maximum von Mises stress increased. However, for post-yielding behavior, maximum von Mises stress approached a constant near yield stress of HDPE material. As ball velocity increases, deformation increases. When water level increased, maximum deformation decreased. For the rectangular container, when the water level increases, the maximum von Mises stress increases while maximum deformation decreases. For the cylindrical and spherical containers, when water level increases, both maximum von Mises stress and maximum deformation decreases. The fully-filled spherical water container had illustrated the superb capabilities to absorb and to dissipate impact load to the rest of the container structure.
Downloads
Downloads
Authors who publish with Engineering Journal agree to transfer all copyright rights in and to the above work to the Engineering Journal (EJ)'s Editorial Board so that EJ's Editorial Board shall have the right to publish the work for nonprofit use in any media or form. In return, authors retain: (1) all proprietary rights other than copyright; (2) re-use of all or part of the above paper in their other work; (3) right to reproduce or authorize others to reproduce the above paper for authors' personal use or for company use if the source and EJ's copyright notice is indicated, and if the reproduction is not made for the purpose of sale.