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# em313, Syllbus em313

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This 4 page Class Notes was uploaded by Mohammed Alabdulsalam on Thursday August 25, 2016. The Class Notes belongs to em313 at University of Kentucky taught by Dr.Smith in Fall 2016. Since its upload, it has received 4 views. For similar materials see dynamics in Engineering Mechanics at University of Kentucky.

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Date Created: 08/25/16

EM 313 - DYNAMICS TEXT: Engineering Mechanics: Dynamics, 8 Edition, 2012, Meriam, Kraige and Bolton, with Wiley Plus PREREQUISITES: EM 221, MA 214 CONCEPTS TO BE INTRODUCED TO THE STUDENT: AWPosrttnrtion VeloIittnneineouesr AcceGMrltiel Relative Motion Potential Energy Mass Moment of Inertia PGojrofiiealrse mepattnssllThexosem MiomarntbmrtiInplalrse AnMgulArVtulciur’tsion Degrees of Freedom Natural Frequency Resonance THE STUDENT SHALL BE ABLE TO: 1. Define and use all of the above concepts. 2. Give dimensions associated with the above concepts. 3. Express particle velocities and accelerations in rectangular, normal and tangential, and polar coordinates, and be able to convert from one system to another. 4. Given the position vector, x(t), or the velocity vector, v(t) or v(x), of a particle, determine the required forces; inversely, given the resultant force, determine the velocity and position vectors. 5. Use work-energy to determine force-velocity-position relationships for particles. 6. Use linear impulse-momentum to determine force-velocity-time relationships for particles. 7. Use Equations 5/12 and 5/14 correctly. 8. Locate the instantaneous center; use it to solve velocity problems. 9. Calculate mass moments of inertia by integration. 10. Use the parallel-axis theorem correctly. 11. Calculate the mass moment of inertia for a composite body. 12. Use the force and moment equations to solve rigid-body problems. 13. Use work-energy equations for rigid bodies. 14. Use impulse-momentum equations for rigid bodies. 15. Solve for the dynamics response of vibrating systems; calculate frequencies, periods, etc. 16. Draw the appropriate diagrams for each solution method. 17. Incorporate the appropriate kinematic equations for each solution method. 18. Decide in any given problem which solution method is appropriate. 19. Use a combination of methods if necessary. 20. Check all equations for dimensional homogeneity. 21. Work all problems in either SI or U.S. customary units. COURSE OUTCOMES: 1. Derive, understand, and convert expressions for position, velocity, and acceleration in appropriate coordinate systems, using graphical and vector methods. 2. Find velocities and accelerations using translating and rotating reference frames. 3. Solve particle motion problems using Newton’s Second Law, work-energy, and impulse momentum. 4. Express kinematic relations between translational and angular quantities for rigid bodies. 5. Analyze the motion of translating and rotating rigid bodies using Euler’s equations and work-energy. 6. Analyze situations of particle and rigid body free and damped vibration. EM 313 – DYNAMICS Fall 2016 Course Outline ChAartcopiisg/SugPrselems 1, 2 1/1-1/8, 2/1 Introduction Math Skills 0; Reading 1 2 2/2L ineaoSea2i;ng 2 2/3-2u/rvlinei3nSea3;ng 2 2/5TNaandeolids 2 2/6CPolads 2 2/8ReM laiton 2 2/9-2/10 ConstrMaiotion 3/13/(Lton'sngular) 3 3/5 Newton's Law (N&T) 3 3/5Ne(wLtonr)s 3 3/6Work-Energy 3 3/7 Power, Potential Energy 3 3/8-3I9paurlse-Momentum 3/13nImulurlse-Momentum 3/1I-3/acts Co3m/bnPaiblems 5/15r2nslatitnt,ion 5 5/3 Absolute Motion (Parametric Anal) 5/45eVltiocity Inst/nanCenter 5 5/6 Relative Acceleration 5/75o/atieryntems B B/1 Mass Moment of Inertia 6/16r3nslation 6 6/4Rotation 6/56ePnotiln 6 6/6 Work-Energy, Potential Energy 6 6/8-Im/pulse-Momentum 8 8/1, 8/4 Particle and RB Vibrations (Free) 8 8/2 Particle Vibrations (Damped) 8 8/3PaV(tclsed) EM 313 – Dynamics Fall Semester 2016 Instructor: Dr. Suzanne Weaver Smith Office: 171 R.G. Anderson Building Email: suzanne.smith@uky.edu Office Hours: 8:00-9:00 am MF, 3:00-4:00 pm W, 1:30-3:00 pm T (tentative) Phones: 859/323-4545 (this has voice recognition email) Homework: Approximately 7-12 homework problems will be assigned weekly via Wiley Plus, submitted on-line by the beginning of class on the due date stated with assignment, and graded by the online system. Occasional on- paper assignments will be assigned to be submitted at the beginning of class on the due date. Late assignments will only be accepted in the case of excused absence per university policy. Tests/Quizzes: One-problem tests (quizzes) will be announced and given throughout the semester. Except in the case of excused absence (serious illness, officially sanctioned absence from campus, etc. according to university policy), there will be no make-ups. To take a make-up test/quiz for an excused absence, the student should notify the instructor BEFORE the scheduled time that the test/quiz will be missed. Mid-Term Exams: Mid-term exams will be given as indicated in the schedule from 6-7:30 pm in the classroom. Except in the case of excused absence (serious illness, officially sanctioned absence from campus, etc. according to university policy), there will be no make-ups. The student should notify the instructor BEFORE the scheduled time that the test/quiz will be missed. Cheating: Cheating and/or plagiarism on graded materials is not professional and will not be tolerated. Offenses will be handled according to university policy. Discussion and assistance are permitted on homework assignments. Homework submitted should be the student's own work. Help: Students needing help are encouraged to send email. Calling or visiting during posted office hours is also effective. Additional times are available by appointment. Computer Policy: A “computer-oriented'' problem may be assigned during the semester. These are problems for which the solution will, at some point, require computations to the degree that the student will sense the need for a spread sheet or other computer program. These problems are mechanics problems. Therefore, the solution should be set up (with pencil and paper) in a manner consistent with regular problems. The computer use, for whatever purpose, will normally follow application of the mechanics principles. Grades: Final averages will be computed as follows: % 5 1 § k r o w e m o H Mid-(xam%/each) One-ProbTests/Quizzes * 15 % Compr2eEFisile %100 * The lowest one of the test/quiz grades may be dropped in the final computation. § The lowest few of the homework grades may be dropped in the final computation. Final Grades will be assigned to final averages as follows: 90 and above - A; 80 and above - B; 70 and above - C; 60 and above - D; below 60 – E Any student with a disability who is taking this course and needs classroom or exam accommodations should contact the Disability Resource Center, www.uky.edu/StudentAffairs/DisabilityResourceCenter Planned Course Schedule, EM 313, Fall 2016, 299 B&E, 11:00-11:50 pm, S.W. Smith Assigned Homework is due before the beginning of the class as stated with the assignment. Class Day Date Topic HomeworA kssignment Due 1 W Aug 24 Introduction, Linear Motion HW #1 Statics Review Handout F, 8/26 2 F 26 Linear Motion HW #2 WP Homework #2 M, 8/29 3 M 29 Curvilinear Motion 4 W 31 * Projectiles HW #3 WP Homework #3 F, 9/2 5 F Sep 2 N&T Coordinates HW #4 WP Homework #4 W, 9/7 M 5 Labor Day Holiday 6 W 7 Polar Coordinates HW #5 WP Homework #5 F, 9/9 7 F 9 Relative/Dependent Motion HW #6 Chapter 2 Handout M, 9/12 8 M 12 Chapter 2 Review HW #7 WP Homework #7 F, 9/16 9 W 14 Chapter 2 Exam (6:00-7:30 pm) 10 F 16 Newton’s Law (Rectangular) HW #8 M, 9/21 11 M 19 Newton’s Law (N&T, Polar) HW #9 F, 9/23 12 W 21 Newton’s Law (N&T, Polar) 13 F 23 Work-Energy HW #10 M, 9/26 14 M 26 * Work-Potential Energy HW #11 F, 9/30 15 W 28 LiM ner entum 16 F 30RecitaSisnion HW #12 M, 10/3 17 M Oct 3 Linear/Angular Momentum HW #13 F, 10/7 18 W C5ol*lisions 19 F 7 Collisions/ Combination ProblemsHW #14 M, 10/10 20 M 10 Review of Chapter 3 HW #15 F, 10/14 21 W 12 Chapter 3 Exam (6:00-7:30 pm) 22 F 14TranslaRtota,tion 23 M 17 Parametric Motion HW #14 W, 10/19 24 W 19 Relative Velocity HW #15 F, 10/21 25 F 21 RelVel / Instant Center 26 M 24 * Instant Center HW #16 M, 10/24 27 W 26RelAatveleratio n HW #17 F, 10/28 28 F 28Relticveeleration 29 M 31 Rotating Reference Frames HW #17 W, 11/2 30 W Nov 2 * Rotating Reference Frames 31 F 4 RB Kinematics Review HW #18 M, 11/7 32 M 7 Moment of Inertia HW #19 F, 11/11 33 W I9netfaent 34 F 11 Chapter 5 Exam (6:00-7:30 pm) HW #20 M, 11/14 35 M 14 Translation HW #21 F, 11/18 36 WRo1ta*tion 37 F 18 General Plane Motion HW #22 M,11/21 38 M 21GePnlrtlon W 23 Thanksgiving Break F 25 Thanksgiving Break 39 M 28 Work-Energy HW #23 W, 11/30 40 W 30 Work-Energy/Impulse-Momentum HW #24 M, 12/5 41 F Dec 2 * Impulse-Momentum 42 M 5 Free Vibrations HW #25 W, 12/7 43 W 7 Damped and Forced Vibrations HW #26 F,12/9 44 F 9eielwa W D 14c Final 10:30 am - 12:30 pm

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