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TEMPEST—A New Computationally Efficient Dynamic Stability Prediction Tool

  • William F. Belknap
  • Arthur M. ReedEmail author
Chapter
Part of the Fluid Mechanics and Its Applications book series (FMIA, volume 119)

Abstract

The US Navy has embarked upon the development of a new computational tool for simulating the responses of a ship operating in severe sea states. This new tool, TEMPEST, is designed to be computationally efficient to support real-time training simulators as well as high-resolution evaluation of surface-ship, dynamic-stability performance across a wide range of possible environmental conditions. TEMPEST aims to improve the state-of-the-art for real-time computations through the inclusion of nonlinear (body-exact) hydrodynamic perturbation forces and physics-based, viscosity-influenced lift and cross-flow drag forces. Slender-ship and low-aspect-ratio lifting-surface theories provide the ability to maintain computational efficiency while including the dominant nonlinearities within the dynamic stability problem. This paper argues for the efficacy of TEMPEST’s theory in reconciling the need for accurate predictions with computational efficiency.

Notes

Acknowledgements

The authors would like to acknowledge the contributions of John Telste and Dr. Mike Hughes (NSWCCD), Dr. Dave Greeley (Applied Physical Sciences); and Prof. Paul Sclavounos (MIT), Prof. Bob Beck (U. Michigan), and the other members of the TEMPEST Theory Advisory Panel (TAP), who have contributed to the development of the TEMPEST theory. Dr. Pat Purtell (ONR) and Jim Webster (NAVSEA) have supported the TEMPEST effort.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Naval Sea Systems Command (NAVSEA)Washington, DCUSA
  2. 2.David Taylor Model Basin (NSWCCD)West BethesdaUSA

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