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# ES 209 - Mechanics of Materials

Credit Hours: 3

A course in the study of strength and elasticity of materials, stresses and strains; deflection of beams and shafts; torsion and buckling of columns.

Course Outcomes
At the conclusion of this course, the student should be able to:

• determine tensile and compressive stress and strain in axially loaded members and structures;
• draw free body diagrams;
• understand stress-strain diagrams and related terminology;
• understand and use formulas to compute forces, normal stress and strain, and shear stress and strain. Calculate stress, strain;
• analyze thermal effects on stress and strain; and
• analyze indeterminate structures using compatibility conditions.
• analyze members subjected to torsion;
• determine torsional deformation in a circular bar;
• calculate power transmission; and
• calculate strain energy in torsion and pure shear.
• analyze shear force and bending moments in beams;
• determine reactions at supports and shear force and moment along beam;
• graph shear force and moment diagrams;
• determine the curvature of a beam, neutral axis and moment of inertia; and
• calculate normal stress and shear stress in beams subjected to bending moment.
• analyze stress and strain;
• compute principal stresses, maximum shear stresses; and
• draw and interpret Mohr’s circle for plane stress and strain.
• calculate stresses in spherical and cylindrical pressure vessels;
• determine the deflection of a beam under concentrated loads and distributed loads; and
• obtain beam deflection by integration of the bending-moment equation;
• obtain beam deflection by integration of the shear-force and load equations; and
• obtain beam deflection by method of superposition, moment-area method and the application of Castigliano’s Theorem.
• determine the critical bucking loads for columns under various types of supports.

Prerequisites: ES 207, MT 283
Concurrent Registration: ES 210, MT 284 is recommended.
F/S (N)