Description Of A Computer Program And Numerical Techniques For Developing Linear Perturbation Models From Nonlinear Systems Simulations
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Description of a Computer Program and Numerical Techniques for Developing Linear Perturbation Models from Nonlinear Systems Simulations
Author: National Aeronautics and Space Administration (NASA)
language: en
Publisher: Createspace Independent Publishing Platform
Release Date: 2018-08-22
A numerical technique was developed which generates linear perturbation models from nonlinear aircraft vehicle simulations. The technique is very general and can be applied to simulations of any system that is described by nonlinear differential equations. The computer program used to generate these models is discussed, with emphasis placed on generation of the Jacobian matrices, calculation of the coefficients needed for solving the perturbation model, and generation of the solution of the linear differential equations. An example application of the technique to a nonlinear model of the NASA terminal configured vehicle is included. Dieudonne, J. E. Langley Research Center NASA-TM-78710, L-12114 RTOP 513-52-13-55...