ME543 THEORY OF ELASTICITY

Course Code:5690543
METU Credit (Theoretical-Laboratory hours/week):3 (3.00 - 0.00)
ECTS Credit:8.0
Department:Mechanical Engineering
Language of Instruction:English
Level of Study:Graduate
Course Coordinator:Prof.Dr. SERKAN DAĞ
Offered Semester:Fall and Spring Semesters.

Course Objectives

At the end of this course, the students will be equipped to comprehend

1. tensor notation and operations

2. definition of strain, principal strains, and compatibility

3. definition of stress, traction vector, equilibrium equations, and principal stresses

4. constitutive relations of general elastic anisotropic and isotropic materials

5. general displacement - and stress - based formulations

6. displacement - and stress - based formulations and solution methods in 2D elasticity

7. advanced applications involving thermoelasticity, functionally graded materials, and contact mechanics


Course Content

Analysis of stress and strain. Constitutive equations. Plane problems of elasticity. Torsion and flexure of beams. Variational methods, theorems of minimum potential energy and complementary energy. Approximate solution by means of variational methods. Introduction to plate theory. (F)


Course Learning Outcomes

1. Ability to use and apply tensor notation

2. Ability to derive relations between strains and displacements

3. Ability to determine principal strains and their directions

4. Ability to derive the compatibility condition

5. Ability to define stress components in different coordinate systems

6. Ability to determine principal stresses and their directions

7. Ability to derive equilibrium equations in different coordinate systems

8. Ability to apply coordinate transformation for vector and tensor quantities

9. Ability to express the constitutive relations for generally anisotropic, monoclinic, orthotropic, cubic, and isotropic materials

10. Ability to derive the relations among engineering and Lame’s constants

11. Ability to derive the governing partial differential equations for a general 3D problem by following displacement - and stress - based formulations

12. Ability to derive plane stress and strain governing partial differential equations for displacement - and stress - based formulations

13. Ability to apply stress function and Fourier transform approaches to solve 2D problems

14. Ability to formulate and solve problems by utilizing polar coordinates

15. Ability to solve various thermal stress problems for beams and circular disks

16. Ability to solve basic problems involving functionally graded materials

17. Ability to formulate and solve basic contact mechanics problems by developing a singular integral equation based formulation


Program Outcomes Matrix

Contribution
#Program OutcomesNoYes
1Acquires the fundamental scientific knowledge required to analyze and solve advanced-level problems in the field of mechanical engineering.
2Gains the competence to utilize advanced engineering mathematics methods in the formulation, analysis, and solution of engineering problems.
3Conducts literature reviews using printed and online sources, analyzes the collected literature, and identifies the current state-of-the-art in the relevant scientific field.
4Demonstrates the ability to prepare and deliver a seminar on a technical subject.
5Develops the ability to conduct independent research on a specific topic and solve advanced engineering problems.
6Contributes to the national and/or international body of knowledge through original research.
7Gains the competence to effectively communicate the process and results of research conducted on a specific subject through scientifically structured written reports and oral presentations.
8Acquires the ability to publish research findings as articles in national and/or international scientific journals and/or present them as papers at conferences.
9Acts in accordance with universal principles of research and publication ethics.