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EFDC_DSI - UNTRIM - MIKE - DELFT3D Comparison


The table below compares the features and capabilities of EFDC_DS with three other internationally used hydrodynamic modeling systems currently on the market. Note that while the EFDC source code is public domain, EFDC_Explorer pre- and post-processing software is licensed and may, or may not be free of charge, depending on the version used.


Item EFDC_DSI UNTRIM DELFT3D MIKE 3
Major Features
Open source

Cost per license Single threaded version free Fee based User Interface requires Annual Fee Fee based
Numerical method Explicit (FDM) Semi-Implicit (FDM,FVM) Implicit (FEM,FVM) Implicit (FEM,FVM)
Horizontal coordinates system Curvilinear Cartesian (X,Y,Z) Curvilinear Curvilinear
Vertical coordinates system Sigma Z-grid Sigma Sigma
Grid type Structured Unstructured Structured Unstructured
Multithreading capability

Optional

Reynolds-Averaged Navier-Stokes equations
Local acceleration (inertia)
Advective acceleration
Coriolis acceleration
Barotropic pressure gradient
Non-hydrostatic pressure

Horizontal turbulent viscosity

Vertical turbulent viscosity

Bottom friction

Wind friction
Wave Effects
Wave propagation

Wind wave generation

Tracers

Conservative

Non-conservative

Sediments

Cohesive

Non-cohesive

Multiple grain sizes

Erosion formulation options

Bed morphology

(SediMorph)

Toxics

Particle based

Organic carbon partitioning; 1,2 or 3 phase

Water Quality

Full Entrophication submodel (3 algal classes)

Full sediment diagenesis

Submerged aquatic vegetation analysis

Full Eutrophication submodel (3 algal classes)

Lagrangian Particle Tracking

Oil spill tracks

Emergency response

Water quality applications

Plume tracking

Boundary Condition Types

Flow

Open

Hydraulic structures

Jet/Plume (Near field/far field)

Withdrawal/Return