MECH301 THEORY OF MACHINES
| Course Code: | 3650301 |
| METU Credit (Theoretical-Laboratory hours/week): | 4 (4.00 - 0.00) |
| ECTS Credit: | 6.0 |
| Department: | Mechanical Engineering |
| Language of Instruction: | English |
| Level of Study: | Undergraduate |
| Course Coordinator: | Prof.Dr. EŞREF EŞKİNAT |
| Offered Semester: | Fall Semesters. |
Course Objectives
To identify different types of mechanisms and their structural elements.
To analyze position, velocity and acceleration of any point on a mechanism.
To analyze driving forces and joint reaction forces on a mechanism by employing static and dynamic force analysis.
To identify simple and planetary gear trains and compute their speed ratio.
To identify vibratory systems and determine the inertial, stiffness and damping parameters of single degree of freedom models of simple mechanical systems.
To analyze free and forced vibrations of single degree-of-freedom systems.
Course Content
Basic concepts, mobility, basic types of mechanisms. Position, velocity and acceleration analysis of linkages. Gear trains. Static and dynamic force analysis of mechanisms. Virtual work method. Modeling and elements of vibratory systems. Free and forced vibrations of single degree-of-freedom systems.
Course Learning Outcomes
Having successfully completed this course, the student will be able to:
identify a mechanism and its functioning in mechanical engineering applications.
identify types of joints and types of links of a mechanism and determine its degree of freedom.
identify independent loops, assign variables and fixed parameters and write-down loop closure equations of a planar mechanism.
formulate position, velocity and acceleration analysis of a planar mechanism for a complete cycle.
compute the speed ratio of simple and planetary gear trains involving spur and bevel gears.
draw free body diagram of each link of a planar mechanism, and carry out a static force analysis to calculate driving forces and joint reaction forces.
identify inertia forces and moments and to formulate dynamic force analysis to calculate driving and reaction forces in a planar mechanism.
determine the inertial, stiffness and damping parameters of single degree of freedom models of simple mechanical systems.
determine damping ratio and natural frequency of a single degree of freedom system from the free vibration response or vibration model.
obtain amplitude and phase characteristics associated with forced response due to harmonic forcing or rotating unbalance.
Program Outcomes Matrix
| Level of Contribution | |||||
| # | Program Outcomes | 0 | 1 | 2 | 3 |
| 1 | Ability to establish the relationship between mathematics, basic sciences and engineering sciences with engineering applications | ✔ | |||
| 2 | Ability to find and interpret information | ✔ | |||
| 3 | Ability to follow the literature and technology related to his/her topic of interest | ✔ | |||
| 4 | Recognition of the need to keep oneself up to date in his/her profession | ✔ | |||
| 5 | Possession of written and oral communication skills | ✔ | |||
| 6 | Ability to conduct team work (within the discipline, inter-disciplinary, multi-disciplinary) | ✔ | |||
| 7 | Ability to produce original solutions | ✔ | |||
| 8 | Use of scientific methodology in approaching and producing solutions to engineering problems and needs | ✔ | |||
| 9 | Openness to all that is new | ✔ | |||
| 10 | Ability to conduct experiments | ✔ | |||
| 11 | Ability to do engineering design | ✔ | |||
| 12 | Awareness of engineering ethics, knowledge and adoption of its fundamental elements | ✔ | |||
| 13 | Ability to take societal, environmental and economic considerations into account in professional activities | ✔ | |||
| 14 | Possession of pioneering and leadership characteristics in areas related to the profession | ✔ | |||
0: No Contribution 1: Little Contribution 2: Partial Contribution 3: Full Contribution