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Naval Architecture & Ocean Engineering
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EN221: Engineering Mechanics with Marine Applications I

Catalog DescriptionTextbookReferencesGoalsPrerequisitesClass TopicsLaboratory Projects • Additional Course Materials

Catalog Description

EN221 Engineering Mechanics with Marine Applications I (3-2-4).

First course in two-semester sequence covering the principles of engineering mechanics of rigid and deformable bodies for naval architecture students. Topics in the first course include forces, moments, static equilibrium, stress, strain, stress-strain relations and transformations, torsions in shafts, flexure in beams, and temperature effects.

Coreq: EM211 Statics. [fall]

Textbook

Statics and Mechanics of Materials (2nd Edition), by Riley, Sturges, and Morris, published by John WIley and Sons, Inc., 2002.

References

Class notes and laboratory handouts.

Alternate Text: Statics and Mechanics of Materials, by Beer, Johnston, DeWolf, and Mazurek, published by McGraw-Hill, 2011.

Goals

  1. Demonstrate the ability to use vector mechanics and static equilibrium for the analysis of external and internal forces and moments acting on a simple static rigid structure.
  2. Demonstrate the ability to compute geometric properties of a composite structural section, including computation of centroid and moment of inertia (2 nd moment of area).
  3. Demonstrate the ability to use mechanics of materials to find the state of stress within a simple static deformable structure subject to external loads, including application of axial loads, torsional loads, bending and shear loads, and combined loads.
  4. Demonstrate the ability to use mechanics of materials to relate the state of stress and state of strain within a simple static deformable structure subject to external loads, including application of axial loads, torsional loads, bending and shear loads, and combined loads.
  5. Demonstrate the ability to use mechanics of materials to determine the state of stress or strain within a simple static deformable structure as a transformation from one orientation of a coordinate system to another orientation, including determination of principle stresses and maximum shear stress at a point.
  6. Determine the loadings on a structure which would cause failure (Von MIses and Tresca).

Prerequisites

 3/C ENM major.

Class Topics

  1. Statics of Particles
  2. Equilibrium of Rigid Bodies
  3. Centroids and Centers of Gravity
  4. Analysis of Structures
  5. Moment of Inertia of Areas
  6. Stress and Strain
  7. Torsion
  8. Pure Bending
  9. Design of Beams for Bending

Laboratory Projects

  • Tensile Test
  • Beam Bending Stress
  • Field Engineer measurements and calculations
  • Design Engineer spreadsheet development (Simpson's Rule; Simultaneous Equations)
  • Balsa Beam Design-Build-Test

Additional Course Material

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