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UNIT –II Several Degrees Of Freedom 9 Multi degree systems – techniques of analysis such as Dunkerley, Rayleigh, Holzer, Matrix iteration, Transfer matrices and modal analysis UNIT III Continuous And Torsional Vibration 9 Continuous systems Free and forced vibrations of bars for longitudinal, shear, torsional and transverse vibrations, Beams with attached masses rotor dynamics and FEM applications. UNIT IV NonLinear Vibrations 9 Nonlinear vibrations, jump phenomenon and stability. Applications including self excited and parameter excited vibrations. UNIT V Random Vibrations 9 Random vibrations – stationary and nonstationary, ergodic systems, response of single degree systems to random excitation. TOTAL : 45 periods REFERENCES 1. W. T. Thomson, “ Theory of Vibration” Kluwer Academic Pub; 4th edition , 1999. 2. TSE, Morse and Hinkel, “Mechanical Vibrations”, Chapman and Hall, 1991. 3. Den Hartong, “ Mechanical Vibrations”, McGraw Hill, 1986. 4. V.P.Singh, Dhanput Rai & Co., “Mechanical vibrations”. 1988. 5.S.Timoshenko, D.H.Young , “Vibrations Problems in Engineering”, D.Van Hostrand Company, Inc, Afiliated eastwest press Pvt. Ltd.,1991. PCCA22 DESIGN FOR MANUFACTURING L T P C 3 0 0 3 UNIT I Introduction 9 General design principles for manufacturability  strength and mechanical factors, mechanisms selection, evaluation method, Process capability  Feature tolerances  Geometric tolerances  Assembly limits – Datum features  Tolerance stacks UNIT II Factors Influencing Form Design 9 Working principle, Material, Manufacture, Design  Possible solutions  Materials choice  Influence of materials on from design  from design of welded members, forgings and castings. UNIT –III Component DesignMachining Consideration 9 Design features to facilitate machining  drills  milling cutters  keyways  Doweling procedures, counter sunk screws  Reduction of machined area  simplification by separation  simplification by amalgamation  Design for machinability  Design for economy  Design for clampability  Design for accessibility  Design for assembly UNIT IV Component Design  Casting Considerations 9 Redesign of castings based on parting line considerations  Minimizing core requirements, machined holes, redesign of cast members to obviate cores. UNIT –V Redesign For Manufacture And Case Studies 9 Identification of uneconomical design  Modifying the design  group technology  Computer Applications for DFMA TOTAL : 45 periods REFERENCES 1. Harry Peck, "Design for Manufacture", Pittman Publication, 1983. 2. Robert Matousek, "Engineering Design  A systematic approach", Blackie & sons Ltd., 1963. 3. James G. Bralla, "Hand Book of Product Design for Manufacturing", McGraw Hill Co., 1986. 4. Swift K.G., "Knowledge based design for manufacture, Kogan Page Ltd., 1987. PCCA23 COMPUTER INTEGRATED DESIGN L T P C 3 0 0 3 UNIT I Introduction 9 Phases of design  Standardization and interchangeability of machine elements  Tolerances for process and function  Individual and group tolerances  Selection of fits for different design situations  Design for assembly and modular constructions  Concepts of integration. UNIT II Shafting 9 Analysis and design of shafts for different applications  detailed design  preparation of production drawings Integrated design of shaft, bearing and casing  Design for rigidity. UNIT III Gears And Gear Boxes. 9 Principles of gear tooth action  Gear correction  Gear tooth failure modes  Stresses and loads – Component design of spur, helical, bevel and worm gears  Design for sub assembly  Integrated design of speed reducers and multispeed gear boxes  application of software packages. UNIT IV Clutches 9 Integrated design of automobile clutches and over running clutches. UNIT V Brakes 9 Dynamic and thermal aspects of vehicle braking  Integrated design of brakes for machine tools, automobiles and mechanical handling equipments TOTAL : 45 periods REFERENCES 1. Newcomb, T.P. and Spur, R.T. , "Automobile brakes ad braking systems", Chapman and Hall ,2nd Edition , 1975. 2. Juvinall, RL.C. ,"Fundamentals of Machine Component Design", John Wiley ,1983. 3. Maitra G.M. , "Hand Book for Gear Design", Tata McGraw Hill , 1985. 4. Shigley , J.E. ,"Mechanical Engineering Design ", McGraw Hill , 1986. PCCA24 COMPUTATIONAL FLUID DYNAMICS L T P C 3 0 0 3 UNIT –I Governing Differential Equation And Finite Difference Method 9 Classification, Initial and Boundary conditions, Initial and Boundary value problems. Finite difference method, Central, Forward, Backward difference, Uniform and nonuniform Grids, Numerical Errors, Grid Independence Test. UNIT II Conduction Heat Transfer 9 Steady onedimensional conduction, Two and Three dimensional steady state problems, Transient one dimensional problem, Twodimensional Transient Problems. UNIT III Incompressible Fluid Flow 9 Governing Equations, Stream Function  Vorticity method, Determination of pressure for viscous flow, SIMPLE Procedure of Patankar and Spalding, Computation of Boundary layer flow, Finite deference approach UNIT IV 9 Steady OneDimensional and TwoDimensional Convection  Diffusion, Unsteady onedimensional convection Diffusion, Unsteady twodimensional convection  Diffusion  Introduction to finite element method  Solution of steady heat conduction by FEM  Incompressible flow  Simulation by FEM. UNIT V 9 Algebraic Models  One equation model, KI Models, Standard and High and Low Reynolds number models,Prediction of fluid flow and heat transfer using standard codes. TOTAL : 45 periods REFERENCES 1. Muralidhar, K.,and Sundararajan,T., "Computational Fluid Flow and Heat Transfer", Narosa Publishing House ,New Delhi1995. 2. Ghoshdasdidar, P.S.,"Computer Simulation of flow and heat transfer" Tata McGrawHill Publishing Company Ltd., 1998. 3. Subas, V.Patankar "Numerical heat transfer fluid flow", Hemisphere Publishing Corporation, 1980. 4. Taylor, C and Hughes J.B.,Finite Element Programming of the Navier Stock Equation, Pineridge Press Ltd.,U.K.1981. 5. Anderson, D.A.,Tannehill, I.I., and Pletcher, R.H., Computational Fluid Mechanics and Heat Transfer, Hemishphere Publishing Corporation, New York, USA, 1984. 6. Fletcher, C.A.J.,"Computational Techniques for Fluid Dynamics 1" Fundamental and General Techniques,SpringerVerlag,1987. 