Numerical modelling

Numerical modelling of Darwin Harbour

The Water Research Laboratory employs a vast range of numerical (computer) models in its projects and research studies. These software programs include hydrodynamic models, water quality models, sediment transport models, wave transformation models, rainfall and runoff models, and groundwater models. These programs are run on a local network of computers consisting of PC’s and UNIX work stations.

Hydrodynamic Models

ANSYS CFX: A general purpose computation fluid dynamics software suite with advanced solver and pre- and post-processing capabilities
HEC-RAS: 1D steady hydrodynamic model
RMA-2: Depth averaged, finite element, unsteady hydrodynamic model
RMA-10: 3D finite element hydrodynamic and water quality model
MIKE-11: 1D finite difference unsteady hydrodynamic model used for modelling rivers and channels
MIKE-21: 2D finite difference unsteady hydrodynamic model used for modelling rivers, estuaries, bays and flood plains
MIKE Flood: Dynamically links 1D and 2D MIKE models, used for flooding and

 where rivers meet estuaries

Water Quality Models

3D-RWALK: Random walk 2D and 3D water quality model (works in RMA-2 & 10)
HSPF: Rural catchment runoff and water quality model
QUAL-2E: 2D estuarine water quality model
RMA-11: 2D/3D, finite element water quality model
SWMM: Urban drainage catchment runoff and water quality/quantity model

Sediment Transport Models

GENESIS: Shoreline change model, based on temporal and spatial differences in longshore transport caused by breaking waves
HEC-6: Sediment transport and sedimentation
RMA-11: 2D/3D, finite element sediment transport model
SBEACH: Cross-shore sediment transport model
UNIBEST: Simulates longshore and cross-shore sediment transport

Wave Models

ACES: General coastal engineering package (part of CEDAS)
BERKHOFF: In-house finite difference shoaling and diffraction model
CMS: A free surface wave modelling suite
HINDCAST: In-house wave prediction program based on the SPM (1984) method
RCPWAVE: A short wave open coast model (part of CEDAS)
REF/DIF: Combined shoaling, refraction and diffraction finite difference model
REFRACT: Shoaling and refraction finite difference model for linear and non-linear waves
SHALWV: A full spectral wave model ideal for examining inshore wave climates that result from offshore wave climate (part of CMS)
SWAN: A full spectral wave model suitable for wind generated waves and refraction
STWAVE: Simulates time independent spectral wave energy propagation (part of CEDAS)
WAVEREF: In-house finite difference wave shoaling and refraction model

Rainfall Runoff Models

CULVERT: Steady state culvert calculations
ILSAX: Urban stormwater drainage design and evaluation program
RORB: A general runoff and stream flow routing program which calculates hydrographs from rainfall and other channel inputs
WBNM: Boyd’s Watershed Bounded Network Model for runoff routing

Groundwater Models

ERMAPPER: Remote sensing interpretation package
FEFLOW: 3D finite element groundwater model
GW: Geochemists Workbench is a set of software tools for chemical reactions, equilibrium states, calculating stability and modelling reactive transport
MODFLOW: 3D finite element groundwater model
PHREEQC: 3D finite Equilibrium hydrogeochemical reaction for speciation and 1D transport model
SUTRA: 2D finite element groundwater model