Updated Bug fixes and performance improvements. Additionally, modeling parameters such as element size and penalty factors for fluid structure coupling are investigated. Predicted pressures are then compared to measured pressures for validation. Updated See your Recent Activity directly from the popup!Īlso included: various bug fixes and improvements for automatically saving Recent Activity. against hydrodynamic ram damage is required to meet the structural survivability requirement in the development of an aircraft. This project uses LS-DYNA to simulate a hydrodynamic ram event created by a steel ball, traveling at a high rate, impacting a tank of water. Kinetic energy is mass times speed squared, divided by 2: E k i n m v 2 2. Read '10.1016/S1350-4177(98)00030-3' on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. For the more math inclined: In the gravity field of earth, potential energy is mass times gravity acceleration times height: E p o t m g h. Pressure at Center of Side Wall from Fluid Drag Phase. Updated Updating popup to properly display Science Direct searches and articles in your Recent Activity Updated Adding support for Science Direct searches and articles in your Recent Activity Updated Bug fixes and minor improvements to metadata collection for Recent Activity. Dynamic pressure equals kinetic energy, Static pressure equals potential energy. This report summarizes the analysis work perfonned on the hydrodynamic ram effect at Air Force.
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