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Semester 2

Dynamics 2 (MECE08009)

Course Website

http://www.see.ed.ac.uk/teaching/mech/

Subject

Mechanical Engineering

College

SCE

Credits

10

Normal Year Taken

2

Delivery Session Year

2023/2024

Pre-requisites

Course Summary

This course aims to provide a basic understanding of the Laws of Newtonian Mechanics for bodies and systems of bodies in plane motion, and to achieve proficiency in their use in conjunction with kinematic principles for a range of mechanical engineering applications.

Course Description

1. Dynamics of ParticlesNewton's Laws of Motion and the nature of forces; D'Alembert approach; dynamical laws of single particle; dynamical theorems for systems of particles; Linear and Angular momentum; mass centre properties; motion in polar coordinates; Coriolis acceleration. Central Force motion and orbits.2. Systems of BodiesRigid body as a model; dynamical laws for rigid bodies in pure translation, fixed axis rotation and general plane motion; inertia couple; moments of inertia; inertia theorems; rolling versus sliding. Kinematic relations between interacting bodies: circular motion, gear drives, belts and pulleys, rolling on a plane. Applications to coupled systems, power transmission, simple vehicles, rotational unbalance, static and dynamic-balancing of rotors; introduce balancing of reciprocating mechanisms.3. Work - Energy ApproachKinetic and potential energy; work and power; work-energy theorems applied to system calculations; the conservative system as a special case.4. Oscillatory MotionIntroduction to oscillations; differential equations of translational and rotational SDF systems, free vibration, natural frequency; damping and critical damping; introduction to resonance, features of vibratory phenomena.5. Gyroscopic TorqueIntroduction to gyroscopic torque and gyroscopic effects; angular momentum vector of a rotor; precession applications.

Assessment Information

Written Exam 50%, Coursework 50%, Practical Exam 0%

Additional Assessment Information

Degree Examination 50%; Coursework 50%The School has a 40% Rule for 1st and 2nd year courses, i.e. you must achieve a minimum of 40% in coursework and 40% in written exam components, as well as an overall mark of 40% to pass a course. If you fail a course you will be required to resit it. You are only required to resit components which have been failed.

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