All of the lecture notes may be downloaded as a single file (PDF - 5.6 MB).
Week 1: Incompressible Fluid Mechanics Background (PDF)
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Particle Image Velocimetry
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Averaged Navier-Stokes Equations
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The Pressure Equation for an Incompressible Fluid
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The Vorticity Equation
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Inviscid Fluid Mechanics, Euler's Equation
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Bernoulli Theorems for Inviscid Flow
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Vorticity Dynamics and Kelvin's Circulation Theorem
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Potential Flows and Mostly Potential Flows
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Green Functions, Green's Theorem and Boundary Integral Equations
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Example of Method Solution
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Interpretation of Boundary Integral Equation in Terms of Source and Dipole Layers
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The Kelvin-Neumann Problem
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The Kelvin-Neumann Green Function
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Source Only and Dipole Only Distributions
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Green's Theorem in Two Dimensions
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Force on a Vortex
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Lift on a Vortex in a Cylinder
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Example: Design of 2D Airfoil Mean Line Using Dipoles and Vortices
Week 2: Some Useful Results from Calculus (PDF)
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Derivation of Gauss' Theorem
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Example of Use of Gauss Theorem: Froude Krylov Surge Force on a Ship
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The Transport Theorem
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Pressure Forces and Moments on an Object
Week 3: An Application Using Complex Numbers (PDF)
Week 4: Root Finding (PDF)
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Bisection Method
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Newton's Method for Finding Roots of y(x)
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Review of Matrix Algebra
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Determinant of a Matrix
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Transpose of a Matrix, Calculating the Inverse of a Matrix
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Matrix Norms
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The Condition Number of a Matrix
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Gaussian Elimination
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Gaussian Elimination Operation Count for n Equations
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Errors in Numerical Solutions of Sets of Linear Equations, Scaled Partial Pivoting Rule
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Solution of Linear Equations by LU Decomposition
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Procedure for Factorization of A
Week 5:Curve Fitting and Interpolation (PDF)
Week 6: Numerical Differentiation (PDF)
Week 7: Numerical Integration (PDF)
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Trapezoidal Rule
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Trapezoidal Rule Error
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Usual Trapezoidal Rule
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Numerical Integration
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Simpson's Rule
Week 8: Numerical Integration of Differential Equations (PDF)
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Euler's Method, Modified Euler's Method
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Fourth Order Runge Kutta Method
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Predictor-Corrector Methods
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Higher Order Differential Equations
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Review and Extension
Week 9: Some Examples and Numerical Errors (PDF)
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Types of Numerical Hydrodynamics Problems, Example of Function Evaluation
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Example of Solution of Ordinary Differential Equation
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Example of Solution of Partial Differential Equation
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Cylindrical Coordinates
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Example of Discretized Integral Equation
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Stability
Week 10: Panel Methods (PDF)
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Boundary Condition of Perturbation Potential, Three Dimensional Flows
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Interpretation of Green's Theorem
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Arrangement of the Integral Equation
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Numerical Form of the Integral Equation
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Making the Numerical Equations
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Solution Steps
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Two Dimensional Panel Methods
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Numerical Form of the Two Dimensional Integral Equation
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Situations with the Generation of Lift
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Computation of Pressures and Forces
Week 11: Boundary Layers (PDF - 1.3 MB)
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Two-Dimensional Steady Boundary Layer Equations
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Boundary Layer Parameters
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Mass Fluxes
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Example of Solution of Momentum Integral BL Equation
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Calculation of Turbulent Boundary Layer When Pressure Distribution is Known
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Laminar Closure Relations, Turbulent Closure Relations
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Sea Waves
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Example of Simulation
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Sea Spectra
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Fourier Transforms
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Computational FFT and IFFT of Real Numbers
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Simulation of Random Waves
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Review of Fourier Transforms, Inverse Fourier Transforms, FFT's IFFT's and Wave Simulation
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Generating Gaussian Random Numbers (Courtesy of Everett F. Carter Jr.)
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Wave Statistics
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Results from Theory
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Definition of a Gaussian Random Process
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Average Amplitude of the 1/n'th Highest Waves
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Extreme Waves
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Stiff Equations
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Dynamics of Horizontal Shallow Sag Cables in Water
Week 12: Oscillating Rigid Objects (PDF)
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Potentials and Boundary Conditions
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Strip Theory
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Boundary Conditions on Hull
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Sway, Roll and Yaw Equations
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Simulations of Ship Motions in Random Seas
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Added Resistance and Drift Forces
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Gerritsma and Beukelman Theory for Added Resistance
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Nonlinear Wave Force Calculations
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Vertical Sea Loads
Appendix: Further Material on Panel Methods and Strip Theory (Courtesy of Alexis Mantzaris) (PDF - 1.0 MB)