Coupled CFD/GNC Modeling for the Basic Finner Projectile with Closed Loop

Ke Xi; Chao Yan; Yu Huang; Wen Wang

doi:10.4028/www.scientific.net/AMM.541-542.1478

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 541-542Coupled CFD/GNC Modeling for the Basic Finner...

Coupled CFD/GNC Modeling for the Basic Finner Projectile with Closed Loop

Abstract:

The virtual flight simulation of the Basic Finner projectile has been investigated through coupling solving unsteady Navier-Stokes equations, rigid-body six degree-of-freedom motion equations, guidance, navigation and control law. The flow solver uses a finite-volume method based on structure grid with dual time stepping, the chimera method is used to simulate relative motions, the fourth-order Runger-Kutta method is used to solve the motion equations. A closed loop feedback control law with PID control is required for the elevator to attain the commanded deflection. The predictions show that the PID parameters for the controller must be correctly selected to obtain the proper response. Simulation results show that the virtual flight simulation platform that we developed is capable of solving the complicated unsteady flows with moving boundary, has a strong applicability to engineering application.

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Periodical:

Applied Mechanics and Materials (Volumes 541-542)

Pages:

1478-1482

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.541-542.1478

Citation:

Cite this paper

Online since:

March 2014

Authors:

Ke Xi*, Chao Yan, Yu Huang, Wen Wang

Keywords:

Basic Finner, CFD, PID, Virtual Flight Simulation

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* - Corresponding Author

References

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