Fall 2024 TuTh 9:30am - 10:45am Inderjit Chopra
A history of rotary-wing aircraft, introduction to hovering theory, hovering and axial flight performance, factors affecting hovering and vertical flight performance, autorotation in vertical descent, concepts of blade motion and control, aerodynamics ... of forward flight, forward flight performance, operational envelope, and introduction to rotor acoustics.
Prerequisite: ENAE414 and ENAE311. Or permission of ENGR-Aerospace Engineering department; and permission of instructor.

Basic aerodynamic design issues associated with main rotors and tail rotors, discussion of detailed aerodynamic characteristics of rotor airfoils, modeling of rotor airfoil characteristics, review of classical methods of modeling unsteady aerodynamics, ... the problem of dynamic stall, review of methods of rotor analysis, physical description and modeling of rotor vortical wakes, discussion of aerodynamic interactional phenomena on rotorcraft, advanced rotor tip design, physics and modeling of rotor acoustics.
Prerequisite: ENAE631; and (ENAE414 and ENAE311; or students who have taken courses with similar or comparable course content may contact the department). Or permission of ENGR-Aerospace Engineering department.

Flap dynamics. Mathematical methods to solve rotor dynamics problems. Flap-lag-torsion dynamics and identify structural and inertial coupling terms. Overview on rotary wing unsteady aerodynamics. Basic theory of blade aeroelastic stability ... and ground and air resonance stability, vibration analyses and suppression.
Prerequisite: ENAE631. Or permission of ENGR-Aerospace Engineering department; and permission of instructor.

Principles and practice of the preliminary design of helicopters and similar rotary wing aircrafts. Design trend studies, configuration selection and sizing methods, performance and handling qualities analyses, structural concepts, vibration ... reduction and noise. Required independent design project conforming to a standard helicopter request for proposal (RFP).
Prerequisite: ENAE631. Or permission of ENGR-Aerospace Engineering department; and permission of instructor.

Advanced dynamics as required to model rotorcraft for flight dynamic studies. Development of helicopter simulation models and specifications of handling qualities. Methods for calculation of trim, poles, frequency response, and free flight ... response to pilot inputs.
Prerequisite: ENAE642 and ENAE631. Restriction: Permission of ENGR-Aerospace Engineering department.

Fall 2024 TuTh 4:00pm - 5:15pm Sung Lee
Finite element formulation of nonlinear and time dependent processes. Introduction to tensors, nonlinear elasticity, plasticity and creep. Application to nonlinear solids including aerospace structures, such as shells undergoing finite rotations. ...
Prerequisite: ENAE652; or students who have taken courses with similar or comparable course content may contact the department.

Topics in aeroelasticity: wing divergence; aileron reversal; flexibility effects on aircraft stability derivatives; wing, empennage and aircraft flutter; panel flutter; aircraft gust response; and aeroservoelasticity of airplanes. ...
Prerequisite: ENAE655. Restriction: Permission of ENGR-Aerospace Engineering department.

Advanced treatment of airbreathing propulsion technologies, propulsion system analysis, and engine/airframe integration. Topics will vary, but may include novel engine cycles, advanced gas turbine systems, pulsed systems, and high-speed engines, ... including scramjets and combined cycle systems.
Prerequisite: ENAE674 and ENAE455; or students who have taken courses with similar or comparable course content may contact the department. Restriction: Permission of instructor.

Advanced treatment of selected space propulsion and power technologies, methods of analysis and performance estimation. Topics will vary each year as time permits, but may include cold gas systems, chemical, nuclear, arcjets, beamed energy, ... and electric propulsion systems, as well as other advanced concepts.
Prerequisite: ENAE663. Restriction: Permission of instructor.

Survey and review of incompressible flow concepts including potential flow, lift and drag, and the Navier-Stokes equations with a focus on low Reynolds number applications. Boundary layers, separation, and transition. Viscous flows. Vortex-dominated ... flows and vortex dynamics. Introduction to unsteady and three-dimensional aerodynamics such as dynamic stall, Wagner effect, and flapping wings.
Prerequisite: ENAE414; and permission of instructor.

One-dimensional flow of a perfect compressible fluid. Shock waves. Two-dimensional linearized theory of compressible flow. Two-dimensional transonic and hypersonic flows. Exact solutions of two-dimensional isotropic flow. Linearized theory ... of three-dimensional potential flow. Exact solution of axially symmetrical potential flow. One-dimensional flow with friction and heat addition.
Prerequisite: ENAE471. Restriction: Permission of ENGR-Aerospace Engineering department.

Physical and statistical descriptions of turbulence; review of phenomenological theories for turbulent flows; scales of motion; correlations and spectra; homogeneous turbulent flows; inhomogeneous shear flows; turbulent flows in pipes and channels; ... turbulent boundary layers; theory of methods for turbulent flows (Reynolds stress equations, LES, DES, DNS); experimental methods for turbulence measurements.
Prerequisite: ENAE672. Recommended: ENAE674.

Fall 2024 M 6:30pm - 9:00pm John Tritschler
Methods for unconstrained and constrained minimization of functions of several variables. Sensitivity analysis for systems of algebraic equations, eigenvalue problems, and systems of ordinary differential equations. Methods for transformation ... of an optimization problem into a sequence of approximate problems. Optimum design sensitivity analysis.
Restriction: Permission of ENGR-Aerospace Engineering department.

Fall 2024 TuTh 2:00pm - 3:15pm Stuart Laurence
Hypersonic shock and expansion waves, Newtonian theory, Mach methods, numerical solutions to hypersonic inviscid flows, hypersonic boundary layer theory, viscous interactions, numerical solutions to hypersonic viscous flows. Applications to ... hypersonic vehicles.
Restriction: Permission of ENGR-Aerospace Engineering department.

Aspects of physical chemistry and statistical thermodynamics necessary for the analysis of high temperature flows, equilibrium and nonequilibrium chemically reacting flows, shock waves, nozzle flows, viscous chemically reacting flow, blunt ... body flows, chemically reacting boundary layers, elements of radiative gas dynamics and applications to hypersonic vehicles.
Restriction: Permission of ENGR-Aerospace Engineering department.

Continuation of ENAE 684. Basic algorithms for the numerical solution of two and three dimensional inviscid and viscous flows. Applications to internal and external flow problems. ...
Prerequisite: ENAE684. Restriction: Permission of ENGR-Aerospace Engineering department.

Systems design of Earth-orbiting satellites, including geostationary communications satellites and low Earth orbit constellations. Basics of orbital motion, communications, and instrument design. Spacecraft systems, structural design, thermal ... design, power generation, and attitude determination and control. Launch vehicle interfacing and mission operations.
Prerequisite: ENAE483.

Analysis techniques for manipulator kinematics and dynamics. DH parameters, serial and parallel manipulators, approaches to redundancy. Applications of robots to space operations, including manipulators on free-flying bases, satellite servicing, ... and planetary surface mobility. Sensors, actuators, and mechanism design. Command and control with humans in the loop.

Brief overview of satellite orbits. Radio frequency communications, noise, and bandwidth limitations. Link budget analysis. Modulation and multiplexing approaches, multiple access systems. Satellite transponder and Earth station technology.

Engineering requirements supporting humans in space. Life support design: radiation effects and mitigation strategies; requirements for atmosphere; water, food, and temperature control. Accommodations for human productivity in space: physical ... and psychological requirements; work station design; and safety implication of system architectures. Design and operations for extra-vehicular activity.

Limitations on achievable performance in multivariable feedback systems due to uncertainty. Singular values, matrix norms, multivariable Nyquist stability theory, uncertainty modeling in aerospace systems. Loop-shaping, generalization of Bode ... design principles. Characterizing the uncertainty, robustness and performance analysis, and synthesis, primarily in the frequency domain. Current research directions. Aerospace examples are used to complement the theory.

Modern methods of analysis and synthesis of multivariable nonlinear control techniques for aircraft, spacecraft, and space manipulator systems. Topics include passivity and Lyapunov theory, feedback linearization, nonlinear observers, Hamiltonian ... methods, robust controller design, and an introduction to adaptive nonlinear control methods.
Prerequisite: ENAE641.

Model correlation and updating of multi degree-of-freedom structural systems. Wave propagation analysis of structural dynamics. Structural health monitoring and damage detection methods. Stationary and non-stationary methods for vibration analysis. ... Applications include rotorcraft, aircraft, and spacecraft structures.
Prerequisite: ENAE655; or students who have taken courses with similar or comparable course content may contact the department.

Design of aerospace vehicles for atmospheric transit to and from space. Generic formulation of atmospheric flight dynamics. Ballistic and lifting entry trajectories. Estimation of vehicle aerodynamic properties and aerothermodynamic heating. ... Entry thermal protection design. Trajectory analysis of sounding rockets and orbital launch vehicles. Serial, parallel, and hybrid multistaging schemes, optimal multistaging. Constrained trajectory optimization. Launch vehicle economic and reliability analysis, flight termination systems, sensors and actuators.
Prerequisite: ENAE601.

General Mechanical
For engineering and science students with little or no previous knowledge of the FEM. Study of FEM, using straightforward mathematics. Students should understand basic concepts and equations of elasticity and thermal heat flow, be familiar ... with simple matrix algebra. Covers stress analysis and thermal analysis problems. ANSYS finite element code will be used for examples and homework solutions. Basic problem solving procedure will be developed for using finite element computer codes.

General Mechanical
Formulate and quantitatively state the mechanical/physical responses of structural components and configurations subjected to loads, temperature, pre-strains etc. The two methods of anlysis employed are the mechanics of materials approach ... and the theory of elasticity approach. Analysis and design of components of structural/machine systems as experienced in aeronautical, civil, mechanical and nuclear engineering.