intro story Coast / Estuary

Coast / Estuary

Coastal systems are among the most dynamic physical systems on earth and are subject to a large variety of forces. The morphodynamic changes occurring to coastlines worldwide are of great interest and importance. These changes occur as a result of the erosion of sediments, its subsequent transport as bed load or suspended load, and eventual deposition. 
 
Estuaries are partly enclosed water bodies that have an open connection to the coast. Estuaries generally have one or more branching channels, intertidal mudflats and/or salt marshes. Intertidal areas are of high ecological importance and trap sediments (sands, silts, clays and organic matter).
Within the Delft3D modelling package a large variation of coastal and estuarine physical and chemical processes can be simulated. These include waves, tidal propagation, wind- or wave-induced water level setup, flow induced by salinity or temperature gradients, sand and mud transport, water quality and changing bathymetry (morphology). Delft3D can also be used operationally e.g. storm, surge and algal bloom forecasting. 
 
On this discussion page you can post questions, research discussions or just share your experience about modelling coastal and/or estuarine systems with Delft3D FM. 
 

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Sub groups
D-Flow Flexible Mesh
DELWAQ
Cohesive sediments & muddy systems

 

 

Message Boards

Coupling WAVE module with Flow

Ali Rezaie, modified 5 Years ago.

Coupling WAVE module with Flow

Youngling Posts: 14 Join Date: 3/13/13 Recent Posts
Dear all,

I'm trying to set up a storm surge model using flow module and Delft Dashboard. But I felt it's better if I could couple the WAVE module. I have few question regarding this issue.

1. Is it really necessery to couple WAVE module with FLOW for storm surge modeling ?

2. Does the WAVE module have same boundary file or do I need to provide another boundary?

3. Also, should we add .wnd file in WAVE module or in flow module ?

Any help is much appreciated

Regards
Rezaie
KL
K Liu, modified 5 Years ago.

RE: Coupling WAVE module with Flow

Padawan Posts: 48 Join Date: 10/23/13 Recent Posts
Hope the following answers could help:

Ali Rezaie:
Dear all,

I'm trying to set up a storm surge model using flow module and Delft Dashboard. But I felt it's better if I could couple the WAVE module. I have few question regarding this issue.

1. Is it really necessery to couple WAVE module with FLOW for storm surge modeling ?
A: First, WAVE module solves waves with relatively short period. If you need to get swell and local wind wave, you have to use WAVE module. Second, storm surge interact intensively with short waves in a storm event. For example, hurricane wave could generate large forcing to rise the surge. So it is better to couple FLOW and WAVE together.

2. Does the WAVE module have same boundary file or do I need to provide another boundary?
A: In different one.

3. Also, should we add .wnd file in WAVE module or in flow module ?
A: Both. They have different format in .wnd file.

Any help is much appreciated

Regards
Rezaie