Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
National Exams — May 2013 — 98-Nav-A4 Ship Structure and Strength of Ships. Three-hour, closed-book exam (no notes permitted); Casio/Sharp non-programmable calculator and simple drawing equipment allowed. Format: five compulsory questions, marks indicated per sub-part, totalling 100; some formulae (fixed-end loads, beam deflection/slope tables, 2D beam-element stiffness) are supplied at the end of the exam and are used directly below. All five are solved in full.
Reference texts: Hughes, O.F. & Paik, J.K., Ship Structural Analysis and Design (2nd ed., SNAME, 2010) — hull-girder strength, panel/plate structure, section properties and shear flow in thin-walled hull sections; Hibbeler, R.C., Mechanics of Materials (10th ed., Pearson) — beam bending/deflection, stress transformation and Mohr's circle; Muckle, W., Muckle's Naval Architecture (2nd ed., Butterworths) — structural terminology and conventions; IACS Common Structural Rules / classification-society rules — steel grades, structural detail classification and fatigue design (S–N curves).
