Structural analysis iv chapter 5 structural dynamics 5 dr. In its uarc role as a strategic us department of defense. F ma center of mass forces at through the center of mass 1 gravity. A generic approach to missile autopilot design using state. Chapter 9 sms guided missiles, aerodynamics, and flight principles weapon systems consist of four major equipment areasthe detect, direct, deliver, and destroy units. Space dynamics laboratory providing defensecritical engineering and technology capabilities as the missile defense agencys university affiliated research center.
It includes the instantaneous position of the missile while it moves along the guide rail. Simulation and modelling of flight missile dynamics and autopilot analysis to cite this article. Missile design and system engineering aiaa education. Pdf modeling and simulating dynamics of missiles with. Download full missile design and system engineering aiaa education book in pdf, epub, mobi and all ebook format. During missile flight, the corresponding aerodynamics, such as the lift, drag. Structural components general dynamics ordnance and. Lecture notes advanced structural dynamics and acoustics.
Together these codes simulate the interception of a target by a missile. Manage and conduct research, exploratory and advanced development, and provide onestop life cycle engineering and scientific support for aviation, missile, and. The exterior design of the missile body emphasizes aerodynamic characteristics in addition to structural strength. Performed structural dynamic analysis for ennk candidates for the ballistic missile defense command. Technical manual engineering handbook series for aircraft and missile repair structural hardware navair 011a8. Pdf this article investigates the dynamic characteristics of deflectable nose missiles with rotary. Be able to use these models to assess the impact of modifications on structural dynamics of the helicopter and missiles to include hypersonic missiles. General dynamics ordnance and tactical systems has years of experience designing, producing and testing highperformance composite launch tubes of various shapes and sizes. We have the ability to design to specification or buildtoprint. Most important results a computer code for the dynamic stability, structural dynamics and aeroelastic response of the missile has been written using a geometricallyexact, mixed. Aimed toward the needs of aerospace engineering students and professors, systems analysts and engineers, program managers, and others working in the areas of missile systems and missile technology development, the book provides readers with an understanding of missile design, missile technologies, launch platform integration, missile system.
Sixdegreeoffreedom ballistic trajectory model can be used to verify design indicators, performance parameters, and correctness so they have been put forward in the missile argumentation and design process. Pdf structural mechanics download full pdf book download. More particularly, a missile is usually a weapon that is selfpropelled after leaving the launching device. Ansys package has been employed to perform the structural analysis. We conclude that the design criteria and procedures described by this report are acceptable to the regulatory staff and that bctop9, revision 2, is acceptable by reference in applications for construction permits and operating licenses. Modeling of ballistic missile dynamics in pitch plane and its stability salih mahmoud attiya, assistant lecturer. Utilizing composites in the manufacture of rocket and missile launch tubes provides a plethora of advantages. Application of computational fluid dynamics in missile engineering david a. Paper open access simulation and modelling of flight. Planformconfiguration optimization program optmis for arbitrary cross section configurations with up to two fin sets, software users manual and software programmers. Structural dynamics and acoustic systems laboratory university of massachusetts lowell army missile firing applications optical, dic, laser methods used along with new approaches for real time operating data expansion techniques distance preliminary feasibility and proofofconcept tests underway to prepare for actual firing of missile system 3. The imd system has helped missile designers win several programs enabling rapid design and analysis of conceptual and preliminary missile models.
Only the acoustics component is available on this site. Missile impact, bechtel topical report bctop9a, revision 2, sept. All flutter analyses were computed with 150 coupled modal degrees of freedom dofs. The mframe origin is at the moment reference point mrp on the missile. Evaluating structural response to the effects of dynamic loads for single degree and multi degree of freedom systems. Aeroelastic stability of a slender missile with constant thrust core. Description of structural dynamics, and how it applies to a rocket. Introduction to dynamics of structures 7 washington university in st.
Sixdegreeoffreedom digital simulations for missile. Army aviation and missile research, development, and. Modeling of ballistic missile dynamics in pitch plane. General dynamics ordnance and tactical systems produces the folding panel and hub assembly that is used to stabilize the missile at supersonic missile speeds.
A new approach to aeroelastic response, stability and. Structural axial, shear and bending moments positive internal forces acting on a portal frame. Rocket dynamics forces on the rockets drag rocket stability rocket equation specific impulse rocket motors forces on the rocket equation of motion. Pdf stars missile modal analysis of firstflight data using the. Download missile design and system engineering aiaa. Probability density function like a continuous histogram of response. An analysis of the dynamics of a launchermissile system.
This book is the user manual for the missile aerodynamics and airtoair missile codes. A2 the rotation of the earth is neglected, with the curved. A computer code for the dynamic stability, structural dynamics and aeroelastic response of the missile has been written using a geometrically exact, mixed finite element method. Tomahawk is the worlds most capable cruise missile and is ideally suited for critical longrange, precisionstrike missions against highvalue heavily defended targets. Imd integrates primitive and arbitrary body geometry, propulsion, aerodynamics, 6 degreeoffreedom simulations, structural dynamics, lethality, aerothermal analysis, and cost. Dynamics and aeroelastic analysis of missiles structures.
The fourier transform of a signal xt is defined by 36 and is related to the fourier transform of the derivatives of this function by 37 38. Introduction to structural dynamics a dynamic loadis one whose magnitude, direction, or point of application varies with time. Models in deterministic structural dynamics by robert t. The method of extracting joint compliances from missile dynamic test data evaluated in the phase 1 study cr6348945001 was extended and the major restrictions were overcome during the phase 2 effort. Application of structural dynamics in all phases of the mission of a launch vehicle and its. Missile range designations short 5,500 km range is not an intrinsic characteristic of a missile, since it depends on the payload. In the first part of the study, the governing differential equations of motion of.
Optimal aerodynamic design of advanced missile configurations with geometric and structural constraints with t. Conducted ballistic, dynamic and stress analysis for an advanced. The work performed during the second phase of a study of the structural dynamic properties of tactical missile joints are presented. The remainder of the structural model figure 3 consists of a beamrod missile body with concentrated masses. Structural dynamic properties of tactical missile joints dtic. These are either original or copies of manuals and blueprints used when these aircraft were in active duty, now transferred into electronic format.
Structural dynamics modeling and testing of an airto. Dynamics and aeroelastic analysis of missiles request pdf. Moreover, it also requires a special device to control the rolling movements of the missile. American institute of aeronautics and astronautics 12700 sunrise valley drive, suite 200 reston, va 201915807 703. In the vibration analysis, the missile body is idealized as an ununiform beam. The open source software missile datcom vukelich 1986, blake 1998 is utilized by the. A reduced order modeling framework for integrated thermo. Top view of the turretandmissile model the main view of the turretmissile system model is presented in fig. F thrust mv dt d f thrust the thrust force seen by the rocket is. Maintain and be able to modify structural dynamic models such as nastran. The critical role of structural dynamics in the design, analysis, and testing of rocket engines.
Mathematical simulation is the basis of late semiphysical simulation and field firing testing, and it can greatly reduce the field shooting test time, which shortens the missile test. The sweep angle of head fins are 45 degree, and the sweep angle of tail fins are 35 degree. Considers seismic and wind effects, modal analysis, numerical methods, structural idealization. In this study, the dynamic modeling, guidance, and control of a missile with two relatively rotating parts are dealt with. The number of the volume elements of the mesh is about 425. All these in crease missiles weight and structural complexity. Application of computational fluid dynamics in missile. Established at utah state university usu in 1959, sdl is a notforprofit unit of the usu research foundation. University of florida structural dynamics ces 6108 spring 20 consolazio ces 6108. A small ground vibration test was conducted, and the results indicated that no additional updating was required to the fem to adequately match gvt data. The resulting timevarying displacements and stresses constitute the dynamic response. Proper orthogonal decomposition pod is proposed for solution of the transient heat transfer problem. A structural dynamics solution procedure is outlined in which thermal effects are coupled to the structural dynamics through the discrete form of the ritz method.