Undergraduate

Credit Structure: (3-0)3

Description :

Stress and strain. Criteria for the failure of structural components and common engineering materials. Deflection analysis. Statically indeterminate members. Thermal stresses. Combined stresses, Mohr’s circle. Buckling. Fatique failure.

Course Objectives :

The main objective of the course is to develop in the second year mechanical engineering students a clear understanding of relationship between the loads applied to elastic bodies, and the resultant stresses, strains and deformations.

Prerequisites :

ME 221

Textbook :

F.P. Beer and E.R. Johnston, Jr., “Mechanics of Materials”, SI Ed., McGraw-Hill,1992.

References :

1- E.P. Popov, “Mechanics of Materials”, Prentice-Hall Inc., 1978.

2- S.Timoshenko and J.M. Gere, “Mechanics of Materials”,3^rdEd.,Chapman&Hall,1987. 

3- R.C.Hibbeler, “ Mechanics of Materials” , 4^th Ed., Prentice Hall,2000.

Syllabus :

1-     Concept of stress: normal stress, shearing stress, bearing stress, ultimate and allowable stress: factor of safety.(1 week)

2-     Concept of strain-axial load problems: strain, stress-strain diagrams, deformation of  members under axial loading, statically indeterminate problems, problems involving temperature changes,multiaxial loading;Generalized Hook’law.(2 week)

3-     Torsion: stresses and angle of twist in the elastic range, statically indeterminate shafts. (1 week)

4-     Pure bending: stresses and deformations in the elastic range, bending of  members made of several materials, computation of moment of inertia.(2 week)

5-     Transverse loading: shear stress on a horizontal plane, shearing stresses in beams, shearing stresses in thin-walled members, stresses under combined loading.(2 week)

6-     Transformation of stress: Principal stresses and maximum shearing stress, Mohr’s circle for the plane stress, stresses in thin-walled pressure vessels.(2 weeks)

7-     Deflection of beams: elastic curve by integration, moment area theorems.(1.5 weeks)

8-     Energy methods: elastic strain energy for normal and shearing stresses, Castigliano’s theorem.(1.5 weeks) Columns: stability of structures ,Euler’s formula for pin-ended columns.(1 week)

Homeworks, Quizzes, Projects:

The students are required to solve assigned  problems.

Computer Usage:

None

Laboratory Work:

None

Coordinator:

Asst.Prof.Dr. H.Seçil Altundağ ARTEM

Faculty of Engineering, İzmir Institute of Technology, Urla 35430 IZMIR TURKEY

phone +90-232-750-7800   fax +90-232-750-7890