A new approach to aeroelastic response, stability and. Dynamics and aeroelastic analysis of missiles request pdf. Pdf stars missile modal analysis of firstflight data using the. Performed structural dynamic analysis for ennk candidates for the ballistic missile defense command. Simulation and modelling of flight missile dynamics and autopilot analysis to cite this article. Download missile design and system engineering aiaa. Structural components general dynamics ordnance and. Proper orthogonal decomposition pod is proposed for solution of the transient heat transfer problem. If the loading is a known function of time, the analysis of a given structural system to a known loading is called a. Missile impact, bechtel topical report bctop9a, revision 2, sept. The number of the volume elements of the mesh is about 425. Space dynamics laboratory providing defensecritical engineering and technology capabilities as the missile defense agencys university affiliated research center. More particularly, a missile is usually a weapon that is selfpropelled after leaving the launching device. In its uarc role as a strategic us department of defense.
Aeroelastic stability of a slender missile with constant thrust core. 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. 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 generic approach to missile autopilot design using state. Manage and conduct research, exploratory and advanced development, and provide onestop life cycle engineering and scientific support for aviation, missile, and. Evaluating structural response to the effects of dynamic loads for single degree and multi degree of freedom systems. Structural analysis iv chapter 5 structural dynamics 5 dr.
Modeling of ballistic missile dynamics in pitch plane and its stability salih mahmoud attiya, assistant lecturer. 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 mframe origin is at the moment reference point mrp on the missile. F thrust mv dt d f thrust the thrust force seen by the rocket is. Pdf structural mechanics download full pdf book download. 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. It includes the instantaneous position of the missile while it moves along the guide rail. The work performed during the second phase of a study of the structural dynamic properties of tactical missile joints are presented. Planformconfiguration optimization program optmis for arbitrary cross section configurations with up to two fin sets, software users manual and software programmers.
This book is the user manual for the missile aerodynamics and airtoair missile codes. 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. Tomahawk is the worlds most capable cruise missile and is ideally suited for critical longrange, precisionstrike missions against highvalue heavily defended targets. We have the ability to design to specification or buildtoprint.
Description of structural dynamics, and how it applies to a rocket. In this study, the dynamic modeling, guidance, and control of a missile with two relatively rotating parts are dealt with. 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. Paper open access simulation and modelling of flight. The imd system has helped missile designers win several programs enabling rapid design and analysis of conceptual and preliminary missile models. Imd integrates primitive and arbitrary body geometry, propulsion, aerodynamics, 6 degreeoffreedom simulations, structural dynamics, lethality, aerothermal analysis, and cost. Together these codes simulate the interception of a target by a missile. Led efforts on thermal structural analysis of the patriot missile radome joint. This item is sold for historical and reference only. A2 the rotation of the earth is neglected, with the curved. Rocket dynamics forces on the rockets drag rocket stability rocket equation specific impulse rocket motors forces on the rocket equation of motion. 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.
Optimal aerodynamic design of advanced missile configurations with geometric and structural constraints with t. How a rocket engine works, and why it needs structural dynamic analysis liquid fuel lh2, kerosene and oxidizer lo2 are stored in fuel tanks at a few. The remainder of the structural model figure 3 consists of a beamrod missile body with concentrated masses. 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. Army aviation and missile research, development, and. Download full missile design and system engineering aiaa education book in pdf, epub, mobi and all ebook format. Utilizing composites in the manufacture of rocket and missile launch tubes provides a plethora of advantages. Models in deterministic structural dynamics by robert t. 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. Introduction to structural dynamics a dynamic loadis one whose magnitude, direction, or point of application varies with time. All flutter analyses were computed with 150 coupled modal degrees of freedom dofs. During missile flight, the corresponding aerodynamics, such as the lift, drag.
Dynamics and aeroelastic analysis of missiles structures. The two parts of the missile are connected to each other by means of a roller bearing. Introduction to dynamics of structures 7 washington university in st. Effects of rotational motion on dynamic aeroelasticity of. Structural axial, shear and bending moments positive internal forces acting on a portal frame. Chapter 9 sms guided missiles, aerodynamics, and flight principles weapon systems consist of four major equipment areasthe detect, direct, deliver, and destroy units. Sixdegreeoffreedom digital simulations for missile.
Probability density function like a continuous histogram of response. Established at utah state university usu in 1959, sdl is a notforprofit unit of the usu research foundation. Ansys package has been employed to perform the structural analysis. A study of aerodynamic characteristics of an antitank missile. In the vibration analysis, the missile body is idealized as an ununiform beam.
Pdf this article investigates the dynamic characteristics of deflectable nose missiles with rotary. Flutter and divergence assessment of the hyfly missile. Pdf modeling and simulating dynamics of missiles with. Application of computational fluid dynamics in missile. Conducted ballistic, dynamic and stress analysis for an advanced. Structural dynamic properties of tactical missile joints dtic. 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. Modeling of ballistic missile dynamics in pitch plane. Maintain and be able to modify structural dynamic models such as nastran. 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. The exterior design of the missile body emphasizes aerodynamic characteristics in addition to structural strength. Be able to use these models to assess the impact of modifications on structural dynamics of the helicopter and missiles to include hypersonic missiles.
These are either original or copies of manuals and blueprints used when these aircraft were in active duty, now transferred into electronic format. Top view of the turretandmissile model the main view of the turretmissile system model is presented in fig. Lecture notes advanced structural dynamics and acoustics. Moreover, it also requires a special device to control the rolling movements of the missile. Technical manual engineering handbook series for aircraft and missile repair structural hardware navair 011a8. The far boundary mesh, wall boundary mesh and space mesh slice are shown in fig. An analysis of the dynamics of a launchermissile system. 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. A reduced order modeling framework for integrated thermo.
F ma center of mass forces at through the center of mass 1 gravity. The resulting timevarying displacements and stresses constitute the dynamic response. General dynamics ordnance and tactical systems has years of experience designing, producing and testing highperformance composite launch tubes of various shapes and sizes. Considers seismic and wind effects, modal analysis, numerical methods, structural idealization. The critical role of structural dynamics in the design, analysis, and testing of rocket engines. Application of structural dynamics in all phases of the mission of a launch vehicle and its. In the first part of the study, the governing differential equations of motion of. All these in crease missiles weight and structural complexity.