# Mechanical Vibrations (ME425) Course Detail

Course Name Course Code Season Lecture Hours Application Hours Lab Hours Credit ECTS
Mechanical Vibrations ME425 3 0 0 3 5
Pre-requisite Course(s)
N/A
Course Language English N/A Bachelor’s Degree (First Cycle) Face To Face Lecture, Demonstration. 1) Identify the equivalent lumped parameter models of mechanical systems; 2) Derive the equation of motion using free-body-diagrams and energy methods; 3) Solve the vibrations of single and two-degrees of freedom systems; 4) Design for reduced vibrations; 5) Understand the Frequency Response Functions and modal analysis; 6) Simulate the systems using computation software. The students who succeeded in this course; Temel tanımlar, tek serbestlik dereceli sistemler, titreşim yalıtımı, iki serbestlik dereceli sistemler: hareket denklemleri, koordinat dönüşümleri, temel koordinatlar, titreşim modları, torsiyonel titreşim, çoklu serbestlik dereceli sistemler, koordinat dönüşümler ve normal koordinatlar, modal analiz, harmonik zorlamalı sistemlerin çözümü.

### Weekly Subjects and Releated Preparation Studies

Week Subjects Preparation
1 Concepts of vibrations
2 Lumped parameter systems
3 Introduction to Matlab: Basics and essentials
4 Response of undamped SDOF systems to initial excitations
5 Response of damped SDOF systems to initial excitations
6 Matlab : Effect of damping of SDOF systems and its measurement
7 Response of SDOF systems to Harmonic and Periodic excitations
8 Systems with rotating unbalanced mass and base vibrations, whirling of shafts.
9 Matlab : Vibration isolation.
10 Response of SDOF systems to nonperiodic excitations.
11 Response of SDOF systems to arbitrary excitations.
12 Matlab session: Convolution integral.
13 2-DOF systems: Equations of motion and free vibrations.
14 2-DOF systems: Modal analysis and response to harmonic excitations.
15 Review before Final exam
16 Review before Final exam

### Evaluation System

Attendance/Participation 1 10
Laboratory - -
Application - -
Field Work - -
Special Course Internship - -
Quizzes/Studio Critics - -
Homework Assignments 7 15
Presentation - -
Project - -
Report - -
Seminar - -
Midterms Exams/Midterms Jury 2 40
Final Exam/Final Jury 1 35
Toplam 11 100
Percentage of Semester Work 100 100

### Course Category

Core Courses X

### The Relation Between Course Learning Competencies and Program Qualifications

# Program Qualifications / Competencies Level of Contribution
1 2 3 4 5
1 Adequate knowledge of mathematics, physical sciences and the subjects specific to engineering disciplines; the ability to apply theoretical and practical knowledge of these areas in the solution of complex engineering problems.
2 The ability to define, formulate, and solve complex engineering problems; the ability to select and apply proper analysis and modeling methods for this purpose.
3 The ability to design a complex system, process, device or product under realistic constraints and conditions in such a way as to meet the specific requirements; the ability to apply modern design methods for this purpose.
4 The ability to select, and use modern techniques and tools needed to analyze and solve complex problems encountered in engineering practices; the ability to use information technologies effectively.
5 The ability to design experiments, conduct experiments, gather data, and analyze and interpret results for investigating complex engineering problems or research areas specific to engineering disciplines.
6 The ability to work efficiently in inter-, intra-, and multi-disciplinary teams; the ability to work individually.
7 (a) Sözlü ve yazılı etkin iletişim kurma becerisi; etkin rapor yazma ve yazılı raporları anlama, tasarım ve üretim raporları hazırlayabilme, etkin sunum yapabilme, açık ve anlaşılır talimat verme ve alma becerisi. (b) En az bir yabancı dil bilgisi; bu yabancı dilde etkin rapor yazma ve yazılı raporları anlama, tasarım ve üretim raporları hazırlayabilme, etkin sunum yapabilme, açık ve anlaşılır talimat verme ve alma becerisi.
8 Recognition of the need for lifelong learning; the ability to access information, follow developments in science and technology, and adapt and excel oneself continuously.
9 Acting in conformity with the ethical principles; professional and ethical responsibility and knowledge of the standards employed in engineering applications.
10 Knowledge of business practices such as project management, risk management, and change management; awareness of entrepreneurship and innovation; knowledge of sustainable development.
11 Knowledge of the global and social effects of engineering practices on health, environment, and safety issues, and knowledge of the contemporary issues in engineering areas; awareness of the possible legal consequences of engineering practices.
12 (a) Knowledge of (i) fluid mechanics, (ii) heat transfer, (iii) manufacturing process, (iv) electronics and control, (v) vehicle components design, (vi) vehicle dynamics, (vii) vehicle propulsion/drive and power systems, (viii) technical laws and regulations in automotive engineering field, and (ix) vehicle verification tests. (b) The ability to merge and apply these knowledge in solving multi-disciplinary automotive problems. X
13 The ability to make use of theoretical, experimental, and simulation methods, and computer aided design techniques in automotive engineering field.
14 The ability to work in the field of vehicle design and manufacturing.

Activities Number Duration (Hours) Total Workload
Course Hours (Including Exam Week: 16 x Total Hours) 14 3 42
Laboratory
Application
Special Course Internship
Field Work
Study Hours Out of Class
Presentation/Seminar Prepration
Project
Report
Homework Assignments 7 3 21
Quizzes/Studio Critics
Prepration of Midterm Exams/Midterm Jury 2 10 20
Prepration of Final Exams/Final Jury 1 15 15