ME302 THEORY OF MACHINES II

Course Code:5690302
METU Credit (Theoretical-Laboratory hours/week):3 (3.00 - 0.00)
ECTS Credit:5.0
Department:Mechanical Engineering
Language of Instruction:English
Level of Study:Undergraduate
Course Coordinator:Assoc.Prof.Dr. ORKUN ÖZŞAHİN
Offered Semester:Spring Semesters.

Course Objectives

COURSE OBJECTIVE #1: At the end of this course, students will be able to carry out force analysis of machinery  through application of the principle of virtual work

COURSE OBJECTIVE #2: At the end of this course, students will be able to model elements of single degree of freedom systems and to perform free vibration analysis of such systems

COURSE OBJECTIVE #3: At the end of this course, students will be able to obtain forced response of single degree of freedom systems due to harmonic forcing

COURSE OBJECTIVE #4: At the end of this course, students will be able to carry out free vibration analysis of undamped multi degree of freedom systems

COURSE OBJECTIVE #5: At the end of this course, students will be able to design a flywheel to suit to a given speed fluctuation limit and to a specified set of supply torque-load torque combination in machinery


Course Content

Virtual work method. Driving torque characteristics and machine-prime mover interactions. Modeling and elements of vibratory systems. Free and forced vibrations of single degree-of-freedom systems. Introduction to multi degree-of-freedom systems. Vibration control. Critical speeds of shafts. Balancing of rotating machinery.


Course Learning Outcomes

  • Ability to conduct force analysis of machinery through application of the principle of virtual work,
  • Ability to specify flywheel characteristics for a specified limit of speed fluctuation in reference to a machine load torque and prime mover supply torque configuration over a working cycle.
  • Capability to analyze dynamic equilibrium conditions in machinery,
  • Ability to obtain equivalent inertial, elastic and damping properties,
  • Ability to write equation of motion, to derive undamped and damped natural frequency expressions, and to obtain free vibration response due to a specified set of initial conditions,
  • Ability to identify damping and natural frequency in the free vibration response,
  • Ability to obtain amplitude and phase characteristics associated with the forced response,
  • Ability to solve vibration isolation problems,
  • Ability to formulate linearized equations of motion for a multi degree of freedom system,
  • Ability to solve equations of motion for undamped natural frequencies and associated mode shapes,
  • Ability to obtain free vibration response due to a specified set of initial conditions.

 


Program Outcomes Matrix

Contribution
#Program OutcomesNoYes
1Ability to establish the relationship between mathematics, basic sciences and engineering sciences with engineering applications.✔
2Ability to find and interpret information✔
3Ability to follow the literature and technology related to his/her topic of interest✔
4Recognition of the need to keep oneself up to date in his/her profession✔
5Possession of written and oral communication skills✔
6Ability to conduct team work (within the discipline, inter-disciplinary, multi-disciplinary)✔
7Ability to produce original solutions✔
8Use of scientific methodology in approaching and producing solutions to engineering problems and needs✔
9Openness to all that is new✔
10Ability to conduct experiments✔
11Ability to do engineering design✔
12Awareness of engineering ethics, knowledge and adoption of its fundamental elements✔
13Ability to take societal, environmental and economical considerations into account in professional activities✔
14Possession of pioneering and leadership characteristics in areas related to the profession✔