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22-Mec-A7 Advanced Strength of Materials: December 2018

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Plane-stress plate — back-out of σ x and E
  2. Question 2 Strain rosette on a bar under torsion + axial load
  3. Question 3 Thick-walled cylinder — allowable internal pressure
  4. Question 4 Strain compatibility and displacement field
  5. Question 5 Three welded rods between rigid walls
  6. Question 6 Square cantilever bar — axial + torsion design (Tresca, SF = 3)
  7. Question 7 Joint displacement of a three-element truss (Castigliano / virtual work)
  8. Question 8 Truss member forces by virtual work (FG, GD, CD)

Start with Question 1 →

Paper format. National Exams, December 2018 — 16-Mec-A7 Advanced Strength of Materials. Open-book, 3 hours. Eight problems of equal value; any five constitute a complete paper. All eight problems are solved as a study resource.

Reference texts. Boresi & Schmidt, Advanced Mechanics of Materials (6th ed.); Ugural & Fenster, Advanced Strength and Applied Elasticity (5th ed.); Hibbeler, Mechanics of Materials (10th ed.); Timoshenko & Goodier, Theory of Elasticity (3rd ed.).