Strength of Materials

Mode of Delivery

Face to Face

Prerequisites and Co-Requisites

None

Recommended Optional Programme Components

No

Course Contents

Introduction to strength of materials and general principles. State of stress and stress tensor. Definition of stress types. Ultimate and allowable stresses. The concept of strain and strain types. Introduction to linear elastic theory. Hooke's Law. Deformation of axially loaded members. Principle of superposition. Analysis of statically indeterminate axially loaded members. Analysis of members involving temperature changes. Mechanical properties of materials, elastic constants and relations between them. Torsion. Torsional stresses and angles of twist of circular and noncircular cross-sections. Torsion statically indeterminate shafts. Pure bending. Stresses and deformations in prismatic members under pure bending. Bending of members made of several materials. Eccentric loading and unsymmetric bending. General case of eccentric axial loading. Shear. Shearing stresses in transversely loaded beams. Shear stresses in thin walled members. Stresses under combined loadings. Transformation of stress. Principal axes - principal stresses. Maximum shearing stress. Mohr's circle for plane stress. Yield criteria. Introduction to elastic stability. Euler's elastic buckling theory. Buckling of columns with various boundary conditions.

Weekly Schedule

1) Introduction, basic terms
2) Mechanical Properties of Materials
3) Effect of Normal Force: Normal Stress and Deformation
4) Effect of Shear Force: Shear Stress and Deformation
5) Stress Calculation on inclined surfaces
6) Torsion
7) Torsion
8) Mid-Term
9) Simple Bending
10) Simple Bending
11) Relation of Stress-Strain (Generalized Hooke Law)
12) Relation of Stress-Strain (Generalized Hooke Law)
13) Failure Hypotheses
14) Calculation of Stress States by Mohr Diagrams
15) Calculation of Stress States by Mohr Diagrams
16) Final Exam

Recommended or Required Reading

1- İnan,M. 1967, Cisimlerin Mukavemeti, Arı Kitabevi.
2- Paşa, Y., 2001, Cisimlerin mukavemeti : teori ve çözümlü problemler, 375 s.
3- Beer, Ferdinand P. ; E. Russell Johnston, 1988, Mechanics of Materials, 3rd Edition, Mc-Graw Hill, 610 p.

Planned Learning Activities and Teaching Methods

1) Lecture
2) Question-Answer
3) Discussion
4) Drill and Practice
5) Demonstration
6) Problem Solving

Assessment Methods and Criteria

Contribution of Midterm Examination to Course Grade	40%
Contribution of Final Examination to Course Grade	60%
Total	100%

Language of Instruction

Turkish

Work Placement(s)

Not Required