AND

TECHNICAL

DOCUMENTATION

by | : | The SWAN team |

mail address | : | Delft University of Technology |

Faculty of Civil Engineering and Geosciences | ||

Environmental Fluid Mechanics Section | ||

P.O. Box 5048 | ||

2600 GA Delft | ||

The Netherlands | ||

: | swan-info-citg@tudelft.nl | |

home page | : | http://www.swan.tudelft.nl |

Copyright (c) 1993-2017 Delft University of Technology.

Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.2
or any later version published by the Free Software Foundation;
with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
Texts. A copy of the license is available at
*http://www.gnu.org/licenses/fdl.html#TOC1*.

- Introduction
- Historical background
- Purpose and motivation
- Readership
- Scope of this document
- Overview
- Acknowledgements

- Governing equations
- Spectral description of wind waves
- Propagation of wave energy
- Sources and sinks
- Wave damping due to vegetation
- The influence of ambient current on waves
- Modelling of obstacles
- Wave-induced set-up

- Numerical approaches
- Introduction
- Discretization
- Solution algorithm
- An illustrative explanation of the sweeping approach
- Implementation of DIA within the four-sweep technique
- Convergence-enhancing measures
- Stopping criteria
- Governing equations in curvilinear co-ordinates
- Computation of force in curvilinear co-ordinates
- Numerical treatment of obstacles
- Crossing of obstacle and grid line
- Integration over
- Transformation from relative to absolute frequency
- Interpolation of spectra
- Computation of breaking source term
- On the approximation of refraction on coarse grids in large-scale SWAN applications

- Wave boundary and initial conditions
- Implementation of 2D wave setup

- Iterative solvers

- Parallel implementation aspects

- Unstructured mesh implementation
- Description of an unstructured grid
- Some notes on grid generation
- Numerical method
- Interpolation at user-defined locations
- Computation of wave-induced force
- Calculation of diffusion-like terms
- Conservation of action

- The overall solution algorithm
- Bibliography
- Index