Flight Dynamics and Aerodynamic of Projectiles

• Weapon Systems, Semester 1, position 2

Introduce students to the basics of calculations and modeling the dynamics of flight of the projectile. Introduce students to the basics of the structure and implementation of the program for the modeling of the dynamics of flight. The introduction of the experimental methods and analyses of flight tests. Introduce students to the basics of aerodynamic calculations. Introduce students to the basics of the structure and implementation of the program for calculations of aerodynamic of the projectile. Introduction to experimental methods in aerodynamics.

Student is qualified for independent work on the calculations and flight dynamics modeling of guided and unguided projectiles. Student is qualified for experimental work in the field of flight testing. Student is qualified for independent work on the calculations of aerodynamic characteristics of guided and unguided projectiles. Student is qualified for experimental work in the field of aerodynamic tests.

Stability of aerodynamically stabilized projectiles (static stability, dynamic stability; transverse resonance oscillations and rolling). Stability of gyro-stabilized projectiles (static stability dynamic stability). Maneuverability of guided missile (control methods; rolling stabilization, control by the normal force). Projectile flight dynamics modeling (Introduction to modeling, modeling with 3 and 6 degrees of freedom). Quaternions and transformation using quaternions. Modeling unguided missiles (introduction to modeling unguided missiles; elaboration of case modeling). Modeling guided missile (introduction to the modeling of guided missiles; elaboration of case modeling). The basic method of aerodynamic calculations (division method of aerodynamic calculations; introduction to the method of breaking up into components; aerodynamic tests). The aerodynamic characteristics of the body (body geometry, calculation methods aerodynamics of the body). The aerodynamic characteristics of the wings and fins (geometry; calculation methods). Aerodynamic interference (interference wing-body, wing-wing interference). Software packages for aerodynamic calculations (base structure; standard software packages). Aerodynamic design (methods of aerodynamic design, selection of parameters, case study).

Stability aerodynamically stabilized projectiles (assignments) Stability gyro-stabilized projectiles (examples) Maneuverability of guided missile (assignments) Fundamentals of projectile flight dynamics modeling (modeling packages 6DOF, MATLAB, Simulink). Modeling unguided missiles (case modeling). Modeling guided missile (case modeling). The basic method of aerodynamic calculation (Introduction to the method of breaking up the components). The aerodynamic characteristics of the body (Examples). The aerodynamic characteristics of the fins (Examples). Aerodynamic Interference (Examples). Software packages for aerodynamic calculations (case study). Aerodynamic design (examples).

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Djordje Blagojevic, Aerodynamics of the projectile - handouts, Belgrade, 2010.

Total assigned hours: 75

New material: 20
Elaboration and examples (recapitulation): 10

Auditory exercises: 0
Laboratory exercises: 5
Calculation tasks: 10
Seminar paper: 0
Project: 15
Consultations: 0
Discussion/workshop: 0
Research study work: 0

Review and grading of calculation tasks: 0
Review and grading of lab reports: 0
Review and grading of seminar papers: 0
Review and grading of the project: 5
Test: 5
Test: 0
Final exam: 5

Activity during lectures: 10
Test/test: 20
Laboratory practice: 0
Calculation tasks: 0
Seminar paper: 0
Project: 25
Final exam: 45
Requirement for taking the exam (required number of points): 35

McCoy, R.L.: Modern Exterior Ballistics, Shiffer Publishing, 2012.; R. Nielsen, Missile Aerodynamics, New York, 2001.; 1. Blagojević Đ .: The dynamics of flight of the projectile, Belgrade, 2004;; 2. Zipfel, P.H .: Modeling and Simulation of Aerospace Vehicle Dynamics, New York, 2007.; Slobodan Janković, aerodynamics of of the projectile, Faculty of Mechanical Engineering, Belgrade, in 1979.