Sep 23, 2023  
2022-2023 Catalog 
2022-2023 Catalog [ARCHIVED CATALOG]

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)