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Nov 21, 2024
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MEC 2030 - Mechanics of Materials3 lecture hours 2 lab hours 4 credits
Course Description
This course deals with the study of stress, strain, deformation, and failure of deformable bodies subjected to external forces. The primary objectives are: (1) to establish relations between the loads applied to a body and resulting deformations, stresses and strains produced in the body, and (2) establishing procedures for finding required dimensions of a member to carry given loads while subjected to a stated specification of stress and/or deflection. (prereq: MEC 2010 ) (quarter system prereq: ME 2001, MA 137)
Course Learning Outcomes
Upon successful completion of this course, the student will be able to:
- Draw free body diagram and apply equations of equilibrium to find internal forces
- Understand the concept of stress, strain, Hooke’s law and mechanical properties of material
- Calculate stresses and strain in axially loaded member and due to temperature change
- Calculate stresses and strain in a member of circular cross-section subjected to torsional loading and design transmission shafts
- Analyze indeterminate members under torsional and axial loading
- Draw shear and bending moment diagrams
- Calculate stresses and strains in prismatic members subjected to bending and calculate shear stresses in beam and thin-walled members due to transverse loading
- Measure strains and reduce strain rosette data
- Find maximum normal and shear stresses and planes they act on
- Apply the concepts they learned in this course and design structural members/components subjected to combined loading
- Calculate stresses in thin-walled pressure vessels
- Obtain deflection of a beam subjected to various loading condition.
- Use column design codes (steel, aluminum, and timber) and design compression members
Prerequisites by Topic
- Drawing of free body diagrams
- Particle and rigid-body equilibrium
- Area moment of inertia
- Double integration
Course Topics
- Normal stress due to axial loading
- Shearing and bearing stress in connections
- Stresses on an oblique plane
- Design considerations
- Strain and deformation, stress strain diagram
- Material properties
- Deformation of axially loaded members
- Statically indeterminate members subjected to axial loads
- Statically indeterminate members, thermal stresses
- Shearing strain
- Hooke’s law
- Stress concentrations
- Torsional stresses and deformations
- Angle of twist
- Statically indeterminate shafts
- Power transmission
- Bending of straight member
- Deformation due to bending
- Eccentric axial loading
- Shear and bending moment diagram
- Shear stress in beams
- Stress transformation
- Principal stresses
- Application of Mohr’s circle for plane stress
- Thin-walled pressure vessels
- Principal stresses in a beam
- Combined loading
- Bean deflection, singularity functions
- Deflection of statically indeterminate beams
- Beam deflection using method of superposition
- Column buckling
Laboratory Topics
- Error and error propagation
- Shear of joined sections
- Tension test
- Tensile loading of a bar, stress concentration near a circular hole
- Torsion of a tube
- Combined loading experiment
- Stress in a cantilever beam, stress distribution in a beam
- Column buckling experiment
- Indeterminate beam deflections
Coordinator
Dr. Mohammad Mahinfalah
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