Mechanical Vibrations (ME425) Course Detail

Course Name Course Code Season Lecture Hours Application Hours Lab Hours Credit ECTS
Mechanical Vibrations ME425 8. Semester 3 0 0 3 5
Pre-requisite Course(s)
MECE204
Course Language English
Course Type Compulsory Departmental Courses
Course Level Bachelor’s Degree (First Cycle)
Mode of Delivery Face To Face
Learning and Teaching Strategies Lecture, Demonstration.
Course Coordinator
Course Lecturer(s)
Course Assistants
Course Objectives 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.
Course Learning Outcomes The students who succeeded in this course;
Course Content 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

Sources

Evaluation System

Requirements Number Percentage of Grade
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
Percentage of Final Work 100
Total 100

Course Category

Core Courses X
Major Area Courses
Supportive Courses
Media and Managment Skills Courses
Transferable Skill Courses

The Relation Between Course Learning Competencies and Program Qualifications

# Program Qualifications / Competencies Level of Contribution
1 2 3 4 5
1 Adequate knowledge in mathematics, science and subjects specific to the aerospace engineering discipline; the ability to apply theoretical and practical knowledge of these areas to complex engineering problems. X
2 The ability to identify, define, formulate and solve complex engineering problems; selecting and applying proper analysis and modeling techniques for this purpose. X
3 The ability to design a complex system, process, device or product under realistic constraints and conditions to meet specific requirements; the ability to apply modern design methods for this purpose. X
4 The ability to develop, select and utilize modern techniques and tools essential for the analysis and determination of complex problems in aerospace engineering applications; the ability to utilize information technologies effectively.
5 The ability to design experiments and their setups, to make experiments, gather data, analyze and interpret results for the investigation of complex engineering problems or research topics specific to the aerospace engineering discipline.
6 The ability to work effectively in inter/inner disciplinary teams; ability to work individually.
7 Effective oral and written communication skills in Turkish; the knowledge of at least one foreign language; the ability to write effective reports and comprehend written reports, to prepare design and production reports, to make effective presentations, to give and receive clear and understandable instructions.
8 Recognition of the need for lifelong learning; the ability to access information and follow recent developments in science and technology with continuous self-development
9 The ability to behave according to ethical principles, awareness of professional and ethical responsibility; knowledge of the standards utilized in aerospace engineering applications.
10 Knowledge on business practices such as project management, risk management and change management; awareness about entrepreneurship, innovation; knowledge on sustainable development.
11 Knowledge on the effects of aerospace engineering applications on the universal and social dimensions of health, environment and safety; awareness of the legal consequences of engineering solutions.
12 Knowledge on aerodynamics, materials used in aerospace engineering, structures, propulsion, flight mechanics, stability and control, and an ability to apply these on aerospace engineering problems.
13 Knowledge on orbit mechanics, position determination, telecommunication, space structures and rocket propulsion.

ECTS/Workload Table

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
Total Workload 98