Correlation Between Simulations and Experimental Data for Military Vehicle Applications

Paper #:
  • 951098

Published:
  • 1995-04-01
Citation:
Chaika, M., Riedel, C., Tan, C., Jiang, H. et al., "Correlation Between Simulations and Experimental Data for Military Vehicle Applications," SAE Technical Paper 951098, 1995, https://doi.org/10.4271/951098.
Pages:
8
Abstract:
Dynamic data, forces, moments and displacements are widely used parameters in a simulation environment for design and testing. These results may be obtained from field tests, laboratory measurements, and numerical simulations. The correctness of the simulation results depends strongly on the models and numerical solution techniques. This paper presents a preliminary examination of the differences between results obtained from the computer code DADS (Dynamic Analysis and Design System) [1] and the field data for the response of a military tank. The differences are analyzed by standard statistical methods in the frequency domain. The statistical tests show that DADS results differ from the measured field data and that the errors are not white noise. Moreover, the principal frequencies of the differences are identified. A simple dynamic model, where exact solution is available, is developed and simulated using DADS to provide possible explanations for some significant variations in the force data.
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