Graduate Courses for Engineering, Mechanical (ENME)

Schedule of Classes: Fall | Winter | Spring | Summer
(Only current and next semester available)

ENME 400 Machine Design (3 credits)
Senior standing.
Working stresses, stress concentration, stress analysis and repeated loadings. Design of machine elements. Kinematics of mechanisms.

ENME 408 Selected Topics in Engineering Design (3 credits)
Prerequisite: senior standing in mechanical engineering or permission of department. Repeatable to 6 credits if content differs.
Creativity and innovation in design. Generalized performance analysis, reliability and optimization as applied to the design of components and engineering systems. Use of computers in design of multivariable systems.

ENME 414 Computer-Aided Design (3 credits)
Prerequisite: MATH241 or equivalent.
Introduction to computer graphics. Plotting and drawing with computer software. Principles of writing interactive software. The applications of computer graphics in computer-aided design. Computer-aided design project.

ENME 423 Building Cooling Heating and Power Systems (3 credits)
Prerequisite: ENME232 and ENME332.
Introduction to the evaluation of cooling, heating and power requirements of buildings. Description, design and evaluation of state-of-the-art and emerging integrated cooling, heating and power systems (engines, micro-turbines, absorption and desiccant systems) as they are applied to buildings. The course uses the Chesapeake building facility and the campus cogeneration facility as real-life demonstration examples.

ENME 462 Vibrations, Controls, and Optimization II (3 credits)
Two hours of lecture and two hours of discussion/recitation per week. Prerequisites: ENME351 and ENME361. Formerly ENME 362.
Continuation of ENME 361. Fundamentals of vibration, controls, and optimization. Analysis and design in time, Laplace and frequency domains. Mathematical descriptions of system response, system stability, control and optimization. Optimal design of mechanical systems.

ENME 465 Introductory Fracture Mechanics (3 credits)
Senior standing in engineering.
An examination of the concepts of fracture in members with pre-existing flaws. Emphasis is primarily on the mechanics aspects with the development of the Griffith theory and the introduction of the stress intensity factor, K, associated with different types of cracks. Fracture phenomena are introduced together with critical values of the fracture toughness of materials. Testing procedures for characterizing materials together with applications of fracture mechanics to design.

ENME 470 Finite Element Analysis (3 credits)
Senior standing.
Basic concepts of the theory of the finite element method. Applications in solid mechanics and heat transfer.

ENME 472 Integrated Product and Process Development (3 credits)
Two hours of lecture and two hours of laboratory per week. Prerequisite: ENME371.
Integration of product development with the development process. Design strategies. Product architecture. Design for manufacturing. Selection of materials. Design for assembly.

ENME 473 Mechanical Design of Electronic Systems (3 credits)
Prerequisites: ENME310; and ENME360; and ENME321.
Design considerations in the packaging of electronic systems. Production of circuit boards and design of electronic assemblies. Vibration, shock, fatigue and thermal considerations.

ENME 474 Design in Electronic Product Development (3 credits)
Prerequisite: ENME473.
Merges technology, analysis, and design concepts into a single focused activity that results in the completed design of an electronic product. A set of product requirements are obtained from an industry partner, the students create a specification for the product, iterate the specification with the industry partner, then design and analyze the product. Students will get hands-on experience using real design implementation tools for requirements capture, tradeoff analysis, scheduling, physical design and verification. Issues associated with transferring of the design to manufacturing and selection of manufacturing facilities will also be addressed.

ENME 476 Mircoelectromechanical Systems (MEMS) I (3 credits)
Three hours of lecture and one hour of laboratory per week. Senior standing. Credit will be granted for only one of the following: ENME476 or ENME489F. Formerly ENME 489F.
Fundamentals of microelectromechanical systems (MEMS). Introduction to transducers and markets. MEMS fabrication processes and materials, including bulk micromachining, wet etching, dry etching, surface micromachining, sacrificial layers, film deposition, bonding, and non-traditional micromachining. Introduction to the relevant solid state physics, including crystal lattices, band structure, semiconductors, and doping. The laboratory covers safety, photolithography, profilometry, wet etching.

ENME 477 Microelectromechanical Systems (MEMS) II (3 credits)
Two hours of lecture and two hours of laboratory per week. Prerequisite: ENME476.
Fabrication of devices designed in MEMS I, including everything from mask printing through training on state-of-the-art fabrication equipment through device testing. In-depth understanding of MEMS devices and technologies, such as mechanical and electromagnetic transducers, microfluidics, and chemical sensors.

ENME 488 Special Problems (3 credits)
Prerequisite: permission of department.
Advanced problems in mechanical engineering with special emphasis on mathematical and experimental methods.

ENME 489 Special Topics in Mechanical Engineering (3 credits)
Prerequisite: permission of department. Repeatable to 6 credits with permission of advisor.
Selected topics of current importance in mechanical engineering.

ENME 490 Mechanical Engineering Honors Seminar (1 credits)
Prerequisite: Permission of the Mechanical Engineering Honors Program. For ENME majors only.
New trends and technologies in Mechanical Engineering.

ENME 600 Engineering Design Methods (3 credits)
Prerequisite: Graduate Standing or permission of instructor. 3 semester hours. Not open to students who have completed ENME 808F during Spring 1999 semester or the Fall 1996 semester..
An introductory graduate level course in critical thinking about formal methods for design in Mechanical Engineering. Course participants gain background on these methods and the creative potential each offers to designers. Participants will formulate, present, and discuss their own opinions on the value and appropriate use of design materials for mechanical engineering.

ENME 601 Manufacturing Systems Design and Control (3 credits)
Modeling and analysis techniques needed to design and control manufacturing systems. Deterministic and stochastic models, including discrete-ev ent simulation and queueing systems. Applications of modeling and analysis.

ENME 602 MEMS Device Physics and Design (3 credits)
Science, design, and device physics of micrmachined sensors and actuators. Transduction mechanisms, scaling laws, and microscale physicsof MEMS components.

ENME 603 Advanced Mechanisms and Robot Manipulators (3 credits)
Prerequisite: working knowledge of kinematics, statics and dynamics.
Analysis of spatial mechanisms and robot manipulators. The kinematic and dynamic analysis of multi-degree-of-freedom mechanical systems are studied in detail. The main emphasis is on open-loop manipulators. Other mechanical systems such as closed-loop linkages, epicyclic gear drives, wrist mechanisms and tendon-driven robotic hands are covered.

ENME 605 Advanced Systems Control (3 credits)
Prerequisite: ENME 403 or permission of instructor.
Modern control theory for both continuous and discrete systems. State space representation is reviewed and the concepts of controllability and observability are discussed. Design methods of deterministic observers are presented and optimal control theory is formulated. Control techniques for modifying system characteristics are discussed.

ENME 610 Engineering Optimization (3 credits)
Prerequisite: Graduate Standing or permission of instructor. 3 semester hours.
Overview of applied single- and multi- objective optimization and decision making concepts and techniques with applications in engineering design and/or manufacturing problems. Topics include formulation examples, concepts, optimality conditions, unconstrained/constrained methods, and post-optimality sensitivity analysis. Students are expected to work on a semester-long real-world multi-objective engineering project.

ENME 611 Geometric Modeling for CAD/CAM Applications (3 credits)
This course introduces the underlying concepts behind three dimensional (3D) geometric modeling systems for curves, surfaces and solid bodies. This course will cover (1) geometric representation of three dimensional solid objects, (2) curve and surface representation, (3) geometric algorithms for curves, surfaces, and solids, and (4) real-world applicationsof geometric modeling. Advanced topics such as feature recognition, cut ter path generation for numberical control machining, collision detection in robot path planning, and STEP standard for product data representation will also be introduced.

ENME 616 Computer-Aided Manufacturing (3 credits)
Prerequisite: ENME 412 or permission of instructor.
The latest trends in the automation of manufacturing processes, with particular emphasis on the use of computers in controlling manufacturing processes. Topics covered are on-line process monitoring, control of machining processes, automated material handling and process planning.

ENME 625 Multidisciplinary Optimization (3 credits)
Prerequisite: Graduate Standing or permission of instructor.
Overview of single- and multi-level design optimization concepts and techniques with emphasis on multidisciplinary engineering design problems. Topics include single and multilevel optimality conditions, hierarchic and nonhierarchic modes and multilevel post optimality sensitivity analysis. Students are expected to work on a semester-long project.

ENME 627 Manufacturing with Polymers (3 credits)
Prerequisite: ENME 412 or permission of instructor.
The basic engineering approach for the processing of modern polymers and the key properties of polymers for processing. Topics include morphology and structure of polymers, characterization of mixtures and mixing, elementary steps in polymer processing, screw extrusion and computer-aided engineering in injection molding.

ENME 631 Advanced Conduction and Radiation Heat Transfer (3 credits)
Prerequisites: {ENME 315; and ENME 321; and ENME 700 or equivalent} or permission of instructor.
Theory of conduction and radiation. Diffused and directional, poly- and mono-chromatic sources. Quantitative optics. Radiation in enclosures. Participating media. Integrodifferential equations. Multidimensional, transient and steady-state conduction. Phase change. Coordinate system transformations.

ENME 632 Advanced Convection Heat Transfer (3 credits)
Prerequisites: {ENME 315; and ENME 321; and ENME 342; and ENME 343} or permission of instructor. Also offered as ENNU 615. Credit will be granted for only one of the following: ENNU 615 or ENME 632.
Statement of conservation of mass, momentum and energy. Laminar and turbulent heat transfer in ducts, separated flows, and natural convection. Heat and mass transfer in laminar boundary layers. Nucleate boiling, film boiling, Leidenfrost transition and critical heat flux. Interfacial phase change processes; evaporation, condensation, industrial applications such as cooling towers, condensers. Heat exchangers design.

ENME 633 Molecular Thermodynamics (3 credits)
Prerequisite: permission of department. Also offered as ENNU 625.
An examination of the interactions between molecules, which govern thermodynamics relevant to engineering, will be conducted. We will investigate both classical and statistical approaches to thermodynamics for understanding topics such as phase change, wetting of surfaces, chemical reactions, adsorption, and electrochemical processes. Statistical approaches and molecular simulation tools will be studied to understand how molecular analysis can be translated to macroscopic phenomena.

ENME 635 Energy Systems Analysis (3 credits)
Prerequisites: ENME 633 or equivalent or permission of instructor.
Rankine cycles with nonzeotropic working fluid mixtures, two-multi-, and variable stage absorption cycles and vapor compression cycles with solution circuits. Power generation cycles with working fluid mixtures. Development of rules for finding all possible cycles suiting a given application or the selection of the best alternative.

ENME 640 Fundamentals of Fluid Mechanics (3 credits)
Prerequisite: Partial differential equations at the level of MATH 462 or permission of department. Formerly ENME 651.
Equations governing the conservation of mass, momentum, vorticity and energy in fluid flows. Low Reynolds number flows. Boundary layers. The equations are illustrated by analyzing a number of simple flows. Emphasis is placed on physical understanding to facilitate the study of advanced topics in fluid mechanics.

ENME 641 Viscous Flow (3 credits)
Prerequisite: ENME 640 or equivalent or permission of instructor. Formerly ENME 652.
Fluid flows where viscous effects play a significant role. Examples of steady and unsteady flows with exact solutions to the Navier-Stokes equations. Boundary layer theory. Stability of laminar flows and their transition to turbulence.

ENME 642 Hydrodynamics I (3 credits)
Prerequisite: ENME 640 or equivalent or permission of instructor. Formerly ENME 653.
Exposition of classical and current methods used in analysis of inviscid, incompressible flows.

ENME 644 Fundamentals of Acoustics (3 credits)
Prerequisite: ENME 360 or equivalent.
This course will cover the fundamental principles of acoustics allowing the students to go on to more advanced course in acoustics, sauch as Underwater Sound Propagation, Active Noise Control, or Radiation and Scattering from Elastic Structures.

ENME 646 Computational Fluid Dynamics (3 credits)
Prerequisite: Graduate-level fluid mechanics, or permission of department.
Fundamentals of numerical analysis of engineers. Inversion of large, sparse matrices. Numerical solution of the incompressible Navier-Stokes equations in Cartesian and curvilinear grids. Application to turbulent flows and micro-fluidics.

ENME 647 Multiphase Flow and Heat Transfer (3 credits)
Prerequisites: (ENME 321; and ENME 342 or equivalent) or permission of the instructor.
Boiling and condensation in stationary systems, phase change heat transfer phenomenology, analysis and correlations. Fundamentals of two-phase flow natural circulation in thermal hydraulic multi-loop systems with applications to nuclear reactors safety. Multiphase flow fundamentals. Critical flow rates. Convective boiling and condensation. Multiphase flow and heat transfer applications in power and process industries.

ENME 656 Physics of Turbulent Flow (3 credits)
Prerequisite: ENME 640 or equivalent; or permission of instructor.
Definition of turbulence and its physical manifestations. Statistical methods and the transport equations for turbulence quantities. Laboratory measurement and computer simulation methods. Isotropic turbulence. Physics of turbulent shear flows.

ENME 657 Analysis of Turbulent Flow (3 credits)
Prerequisites: {ENME 640; and ENME 641 or equivalent} or permission of instructor.
Mathematical representation of turbulent transport, production and dissipation. Closure schemes for predicting flows. Recent advances in direct and large eddy numerical simulation techniques.

ENME 660 Miroelectronic Components Engineering (3 credits)
Prerequisite: permission of department.
The process of component selection is the heart of the design of electronic systems. This process includes application-independent considerations such as part manufacturer selection, manufacturer quality, part family quality and integrity and distributor quality assessment; and application-specific considerations including: determination of the life cycle environment, reliability assessment, performance assessment, assembly assessment, life cycle mismatch (obsolescence) assessment, legal liabilities, and risk management. This course will cover all the apsects of part selection and management and tie them with the knowledge of electronic component materials, construction and manufacturing. It will present case studies and involve students in projects and case studies with electronic equipment manufacturing companies.

ENME 661 Dynamic Behavior of Materials and Structures (3 credits)
Response of materials and structures to dynamic loading events. Topics include: theory of wave propagation; plane waves, wave guides, dispersion relations; shock waves, equations of state; dynamic deformation mechanisms adiabatic shear banding, dynamic fracture. Computational methods for modeling the dynamic responses of structures will also be addressed.

ENME 662 Linear Vibrations (3 credits)
Prerequisite: ENME 360 or equivalent or permission of instructor.
Development of equations governing small oscillations and spatially continuous systems. Newton's equations, Hamilton's principle, and Lagrange's equations. Free and forced vibrations of mechanical systems. Modal analysis. Finite element discretization and reductions of continuous systems. Numerical methods. Random vibrations.

ENME 664 Dynamics (3 credits)
Prerequisite: ENES 221 or equivalent or permission of instructor.
Kinematics in plane and space; Dynamics of particle, system of particles, and rigid bodies. Holonomic and non-holonomic constraints. Newton's equations, D'Alembert's principle, Hamilton's principle, and equations of Lagrange. Impact and collisions. Stability of equilibria.

ENME 665 Advanced Topics in Vibrations (3 credits)
Prerequisite: ENME 662 or permission of instructor.
Nonlinear oscillations and dynamics of mechanical and structural systems. Classical methods, geometrical, computational and analytical methods. Birfurcations of equillibrium and periodic solutions; chaos.

ENME 667 Turbulence Simulations (3 credits)
Credit will be granted for only one of the following: ENME667 or ENME808Q. Formerly ENME 808Q.
The objective is to teach students the role and limitations of numerical methods for the solution of turbulent flows. Emphasis will be placed on the development of best practices to validate the numerical results. Applications to incompressible, compressible and reacting flows will be discussed.

ENME 670 Continuum Mechanics (3 credits)
Mechanics of deformable bodies, finite deformation and strain measures, kinematics of continua and global and local balance laws. Thermodynamics of continua, first and second laws. Introduction to constitutive theory for elastic solids, viscous fluids and memory dependent materials. Examples of exact solutions for linear and hyper elastic solids and Stokesian fluids.

ENME 672 Composite Materials (3 credits)
Micromechanics of advanced composites with passive and active reinforcements, mathematical models and engineering implications, effective properties and damage mechanics, recent advances in "adaptive" or "smart" composites.

ENME 673 Energy and Variational Methods in Applied Mechanics (3 credits)
Application of variational principles to mechanics. Includes virtual work, potential energy, strain energy, Castigliano's generalized complementary energy, and the principles of Hellinger-Reissner and Hamilton. Legendre transforms and the foundations of the calculus of variations. Singularities and stability in a potential energy function. Applications to rigid, linear and non-linear elastic, and nonconservative examples. Approximation techniques such as Ritz, Petrov-Galerkin, least-squares, etc. Presents the basis for the finite element method.

ENME 674 Finite Element Methods (3 credits)
Theory and application of finite element methods for mechanical engineering problems such as stress analysis, thermal and fluid flow analysis, electro-magnetic field analysis and coupled boundary-value problems for "smart" or "adaptive" structure applications, stochastic finite element methods.

ENME 677 Elasticity of Advanced Materials and Structures (3 credits)
Prerequisite: MATH 462 or equivalent.
Review of field equations and constitutive laws for linear elasticity, linearized boundary value problems; two-dimensional problems, biharmonic equation, Airy's stress function, Neou's method, plane stress and plane strain analysis, Torsion and flexure, inverse and semi-inverse methods, Saint-Venant's principle, thermoelastic problems; three dimensional problems, Kelvins's solution, the Boussinesq and Cerruti problems, Hertzian contact; energy methods; wave propagation; applications to advanced materials and structures (e.g., smart structures, multifunctional and functionally graded materials).

ENME 678 Fracture Mechanics (3 credits)
An advanced treatment of fracture mechanics covering in detail the analysis concepts for determining the stress intensity factors for various types of cracks. Advanced experimental methods for evaluation of materials or structures for fracture toughness. Analysis of moving cracks and the statistical analysis of fracture strength. Finally, illustrative fracture control plans are treated to show the engineering applications of fracture mechanics.

ENME 680 Experimental Mechanics (3 credits)
Prerequisite: undergraduate course in instrumentation or equivalent.
Advanced methods of measurement in solid and fluid mechanics. Scientific photography, moire, photoelasticity, strain gages, interferometry, holography, speckle, ndt techniques, shock and vibration, and laser anemometry.

ENME 684 Modeling Material Behavior (3 credits)
Prerequisite: ENME 670 or permission of instructor.
Constitutive equations for the response of solids to loads, heat, etc. based on the balance laws, frame invariance, and the application of thermodynamics to solids. Non-linear elasticity with heat conduction and dissipation. Linear and non-linear non-isothermal viscoelasticity with the elastic-viscoelastic correspondence principle. Classical plasticity and current viscoplasticity using internal state variables. Maxwell equal areas rule, phase change, and metastability and stability of equilibrium states. Boundary value problems. Introduction to current research areas.

ENME 690 Mechanical Fundamentals of Electronic Systems (3 credits)
An understanding of the fundamental mechanical principles used in design of electronic devices and their integration into electronic systems will be provided. Focus will be placed on the effect of materials compatibility, thermal stress, mechanical stress, and environmental exposure on product performance, durability and cost. Both electronic devices and package assemblies will be considered. Analysis of package assemblies to understand thermal and mechanical stress effects will be emphasized through student projects.

ENME 693 High Density Electronic Assemblies and Interconnects (3 credits)
This course presents the mechanical fundamentals needed to address reliability issues in high-density electronic assemblies. Potential failure sites and the potential failure mechanisms are discussed for electronic interconnects at all packaging levels from the die to electronic boxes, with special emphasis on thermomechanical durability issues in surface mount interconnects. Models are presented to relate interconnect degradation & aging to loss of electrical performance. Design methods topreve nt failures within the life cycle are developed.

ENME 695 Failure Mechanisms and Reliability (3 credits)
This course will present classical reliability concepts and definitions based on statistical analysis of observed failure distributions. Techniques to improve reliability, based on the study of root-cause failure mechanisms, will be presented; based on knowledge of the life-cycle loadprofile, product architecture and material properties. Techniques toprev ent operational failures through robust design and manufacturing practices will be discussed. Students will gain the fundamentals and skills in the field of reliability as it directly pertains to the designand the manufacture of electrical, mechanical, andelectomechanical products.

ENME 700 Advanced Mechanical Engineering Analysis I (3 credits)
An advanced, unified approach to the solution of mechanical engineering problems, emphasis is on the formulation and solution of equilibrium, eigenvalue and propagation problems. Review and extension of undergraduate material in applied mathematics with emphasis on problems in heat transfer, vibrations, fluid flow and stress analysis which may be formulated and solved by classical procedures.

ENME 704 Active Vibration Control (3 credits)
Prerequisite: ENME 662, ENME 602 or equivalent. Recommended: Vibrations and Control. 3 semester hours. For ENGR majors only.
This course aims at introducing the basic principles of the finite element method and applying it to plain beams and beams treated with piezoelectric actuators & sensors. The basic concepts of structural parameter i dentification are presented with emphasis on Eigensystem Realization Algorithms (ERA) and Auto-regression models (AR). Different active control algorithms are then applied to beams/piezo-actuator systems. Among thes e algorithms are: direct velocity feedback, impedancematchingcontrol, modal control methods & sliding mode controllers. Particular focus is given to feedforward Leat Mean Square (LMS) algorithm & filtered-X LMS. O ptimal placement strategies of sensor & actuators are then introduced & applied to beam/piezo-actuator systems.

ENME 705 Non-Newtonian Fluid Dynamics (3 credits)
Prerequisite: ENME 342 and ENME 640.
This course offers the specific techniques and understanding necessary for being able to compute and understand issues associated with non-newtonian fluid dynamics. Issues of rhealogy and analytic techniquesare cov ered.

ENME 706 Impact of Energy Conversion on the Environment (3 credits)
Prerequisite: ENME 633.
This course begins with a review of the energy flow diagram of the US and discusses the current status of energy production, transportation, andcomsumption. This is followed by an introduction to environmental issu es that are caused throgh energy conversion: Ozone depletion, global warming and air quality issues. Based on this background information, the students then develop, through classroom discussions, student presentations and lectures, alternative energy conversion concepts, assess their performance in design projects and evaluate the potential environmental,infrastructure and cost impacts. The course focuses extensively and in considerable detail on the understanding & application of the latest energy conversion technologies.

ENME 707 Combustion and Reacting Flow (3 credits)
Prerequisite: ENME 320, ENME 331, ENME 332 or equivalent.
This course covers thermochemistry and chemical kinetics of reacting flows in depth. In particular, we focus on the combustion of hydrocarbonf uels in both a phenomenological and mechanistic approach. The course co vers the specifics of premixed and nonpremixed flame systems, as wellasignition and extinction. Combustion modeling with equilibrium and chemical kinetic methods will be addressed. Environmental impact and emissi ons minimization will be covered in detail. Finally, the course will co ver available combustion diagnostic methods and their application in laboratory and real-world systems.

ENME 710 Applied Finite Elements (3 credits)
Prerequisites: ENME 331 and ENME 332. For ENME, ENAE, or ENCE majors only.
Application of finite element methods to the solution of engineering problems - such as stress analysis, thermal conductivity, fluid flow anlaysis, electro-magnetic field analysis and coupled boundary value problems. Emphasis is on the application of the techniques to the solution of pr oblems. Basic theory is covered at beginning of course.

ENME 711 Vibration Damping (3 credits)
Prerequisite: ENME 662 or equivalent. Recommended: Vibration. 3 semester hours. For ENGR majors only.
This course aims at introducing the different damping models that describe the behavior of viscoelastic materials. Emphasis will be placedon m odeling the dynamics of simple structures (beams, plates & shells) with Passive Constrained Layer Damping (PCLD). Considerations will also be g iven to other types of surface treatments such as Magnetic Constrained Layer Damping (MCLD), Shunted Network Constrained Layer Damping (SNCLD),Active Constrained Layer Damping (ACLD) and Electrorheological Constrained Layer Damping (ECLD). Energy dissipation characteristics of the damp ing treatments will be presented analytically & by using the modal strain energy approach as applied to finite element models of vibrating structures.

ENME 712 Measurement, Instrumentation and Data Analysis for Thermo-Fluid Processes (3 credits)
This course is designed to offer systemic coverage of the methodologies for measurement and data analysis of thermal and fluid processes at the graduate level. The course materials will cover three broad categories: (1) Fundamentals of thermal and fluid processes in single phase and multi phase flows as relates to this course; Measurement and Instrumentation techniques for measurement of basic quantities such as pressure, temperature, flow rate, heat flux, etc., and (3) Experimental Design and Planning, sources of errors in measurements, and uncertainty analysis.

ENME 760 Mechanics of Photonic Systems (3 credits)
For Engineering and Physics majors only.
This course presents key principles for the design of photonic component packages to achieve reliable performance in high performance environments. Methods in thermal, mechanical, optical analysis, and the impact of thermal, mechanical and chemical stresses are reviewed. General approaches using life-cycle engineering principles are also covered.

ENME 765 Thermal Issues in Electronic Systems (3 credits)
Prerequisite: ENME 232, ENME 331, ENME 332. Corequisite: ENME 473 or equivalent.
This course addresses a range of thermal issues associated with electronic products life cycle. Computational modeling approaches for various levels of system hierarchy. Advanced thermal management concepts including: single phase and phase change liquid immersion, heat pipes, and thermoelectrics.

ENME 770 Life Cycle Cost and System Sustainment Analysis (3 credits)
This course melds elements of traditional engineering economics with manufacturing process and sustainment modeling, and life cycle cost management concepts to form a practical foundation for predicting the cost of products and systems. Various manufacturing cost analysis methods will be presented including: process-flow, parametric, cost of ownership, and activity based costing. The effects of learning curves, data uncertainty, test and rework processes, and defects will be considered. Aspects of system sustainment including the impact on the life cycle (and life cycle costs) of reliability, maintenance, environmental impact, and obsolscence will be treated.

ENME 775 Manufacturing Technologies for Electronic Systems (3 credits)
Prerequisite: ENME 690.
This highly multi-disciplinary course presents the mechanical fundamentals of manufacturing processes used in electronics assemblies. The emphasis is on quantitative modeling of the intrinsic impact that processing has on structure, properties, performance and durability. Students will learn how to quantitatively model many of the key manufacturing steps from mechanistic first principles, so that sensitivity studies and process optimization can be performed in a precise manner. Processes considered include: wafer-level processes such as polishing, lithography, etching and dicing; packaging operations such as die attachment, wirebonding, flip chip bonding, and plastic encapsulation; multilevel high-density substrate fabrication processes; assembly processes such as reflow and wave soldering of surface-mount components to electronic substrates.

ENME 780 Mechanical Design of High Temperature and High Power Electronics (3 credits)
Prerequisite: ENME 220, ENME 382, ENME 473, or ENME 690.
This course will discuss issues related to silicon power device selection (IGBT, MCT, GTO, etc.), the characteristics of silicon device operation at temperatures greater thatn 125C, and the advantages of devices based on SOI and SiC. It will also discuss passive components and packaging materials selection for distributing and controlling power, focusing on the critical limitations to use of many passive components and packaging materials at elevated temperatures. In addition it will cover packaging techniques and analysis to minimize the temperature elevation caused by power dissipation. Finally, models for failure mechanisms in high temperature and high power electronics will be presented together with a discussion of design options to mitigate their occurrence.

ENME 785 Experimental Characterization of Micro- and Nanoscale Structures (3 credits)
Two hours of lecture and three hours of laboratory per week. Prerequisite: ENME 690.
This course teaches various methodologies for characterization of macro to nano-scale structures. The specific areas included: (1) advanced failure analysis, (2) characterization of material properties, and (3) quantitative stress analysis. The students will learn the basic principles of the methods and will develop skills for research investigations by participting in student projects.

ENME 788 Seminar (1-3 credits)
Prerequisite: graduate standing in mechanical engineering.
First or second semester. Credit in accordance with work outlined by mechanical engineering staff.

ENME 799 Master's Thesis Research (1-6 credits)

ENME 808 Advanced Topics in Mechanical Engineering (2-3 credits)

ENME 898 Pre-Candidacy Research (1-8 credits)

ENME 899 Doctoral Dissertation Research (1-8 credits)

 

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