Naval Architect Training

Lesson 1 • Ship Geometry and Principal Dimensions

Defines length, breadth, depth, draft, and freeboard as design variables. Connects dimensional ratios to vessel type and performance expectations.

Lesson 2 • History and Scope of the Discipline

Traces naval architecture from ancient shipbuilding to modern computational design. Establishes professional context and motivates the technical content ahead.

Lesson 3 • Hydrostatics and Buoyancy Principles

Applies Archimedes' principle to floating bodies and derives displacement, reserve buoyancy, and waterplane properties. Forms the quantitative basis for stability analysis.

Lesson 1 • Inclining Experiment and KG Determination

Covers the procedure, instrumentation, and data reduction for the inclining experiment. Accurate KG values anchor all subsequent stability assessments.

Lesson 2 • Dynamic Stability and Rolling Motion

Examines energy methods, roll period, and parametric resonance effects on vessel safety. Links dynamic behavior to hull form and loading decisions.

Lesson 3 • Stability Software and Booklet Preparation

Applies commercial hydrostatics software to generate loading condition reports. Produces a compliant stability booklet meeting regulatory submission requirements.

Lesson 4 • Intact Stability Calculations

Derives GZ curves using wall-sided and numerical integration methods. Connects curve shape to vessel safety margins under operational loading.

Lesson 1 • Propeller Theory and Design

Applies actuator disk, blade element, and lifting line theories to propeller performance. Selects pitch, diameter, and blade number to maximize open-water efficiency.

Lesson 2 • Power Prediction and Speed Trials

Combines resistance and propulsion data to predict effective and brake power requirements. Validates predictions against speed trial measurements and corrects for trial conditions.

Lesson 3 • Model Testing and Extrapolation Methods

Explains towing tank procedures and Froude scaling laws for resistance extrapolation. Connects model results to full-scale predictions with correlation allowances.

Lesson 4 • Components of Ship Resistance

Decomposes total resistance into frictional, wave-making, and viscous pressure components. Identifies dominant resistance sources by hull form and speed regime.

Lesson 1 • Fatigue and Fracture in Ship Structures

Introduces S-N curves, stress concentration factors, and fracture mechanics for marine structures. Guides detail design to achieve target fatigue life at critical joints.

Lesson 2 • Longitudinal Strength Analysis

Calculates hull girder bending moments and section modulus requirements using beam theory. Verifies compliance with minimum section modulus rules from classification societies.

Lesson 3 • Transverse Strength and Frame Design

Analyzes transverse frames, floors, and web frames under hydrostatic and cargo pressure. Sizes structural members to resist local and global transverse loads.

Lesson 4 • Loads Acting on Ship Structures

Identifies still-water, wave-induced, and dynamic loads that govern structural design. Establishes the load envelope used throughout scantling calculations.

Lesson 1 • FEA Results Interpretation and Reporting

Develops skills in post-processing, result verification, and engineering judgment for FEA outputs. Produces structured reports meeting classification society submission standards.

Lesson 2 • Global Hull Girder FE Modeling

Constructs a coarse-mesh global model to extract hull girder bending and torsion responses. Validates model against hand-calculated section properties and rule values.

Lesson 3 • Local Fine-Mesh Stress Analysis

Applies sub-modeling techniques to resolve hot-spot stresses at critical structural details. Results feed directly into fatigue life assessments from the previous chapter.

Lesson 4 • Buckling and Ultimate Strength Analysis

Performs linear eigenvalue and nonlinear collapse analyses on stiffened panels and hull girders. Identifies critical buckling modes and post-buckling reserve capacity.

Lesson 1 • Seakeeping Performance Criteria

Applies operability criteria for acceleration, slamming, deck wetness, and seasickness. Evaluates hull form alternatives against mission-specific seakeeping requirements.

Lesson 2 • Maneuvering Theory and Equations

Formulates linear and nonlinear maneuvering equations using hydrodynamic derivatives. Predicts turning circle, zigzag, and stopping performance from hull geometry.

Lesson 3 • Ship Motion Theory and RAOs

Derives equations of motion for six degrees of freedom and computes response amplitude operators. Links RAO shapes to hull form, loading, and encounter frequency.

Lesson 4 • Ocean Wave Characterization

Describes regular and irregular wave spectra used as seakeeping inputs. Connects sea state statistics to operational exposure and design wave selection.

Lesson 1 • Piping Systems Design

Covers ballast, bilge, fuel, and seawater cooling system design and pipe sizing. Ensures system redundancy and compliance with pollution prevention requirements.

Lesson 2 • General Arrangement and Space Planning

Integrates all systems into a coherent general arrangement drawing balancing function, safety, and habitability. Applies ergonomic and regulatory standards to crew and passenger spaces.

Lesson 3 • Fire Safety and Life-Saving Systems

Designs fire detection, suppression, and structural fire protection systems per international safety codes. Integrates lifeboat, life raft, and evacuation arrangements into the general arrangement.

Lesson 4 • Machinery Space Layout and Selection

Selects main engines, gearboxes, and shaft arrangements based on power and space constraints. Optimizes machinery room layout for access, maintenance, and weight distribution.

Lesson 1 • The Design Spiral and Iteration Process

Applies the design spiral model to progressively refine hull form, structure, and systems. Manages design closure by tracking convergence of weight, stability, and power.

Lesson 2 • Hull Form Development and Fairing

Develops a faired hull form from parametric offsets using CAD and surface modeling tools. Verifies hydrostatic properties against targets before advancing to detailed design.

Lesson 3 • Parametric Sizing and Initial Estimates

Uses regression models and parametric methods to estimate principal dimensions, displacement, and power. Generates a feasible starting point for the design spiral iteration.

Lesson 4 • Owner Requirements and Design Basis

Translates owner operational requirements into quantitative design parameters and constraints. Establishes the design basis document that governs all subsequent design decisions.