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. 




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



Message Boards

DD Boundary in Delft 3D

Md Bin Siddique, modified 7 Years ago.

DD Boundary in Delft 3D

Padawan Posts: 42 Join Date: 12/17/12 Recent Posts
I am a user Delft3D. I have a grid 110 by 41. My grrid size is 100m by 100m, I want to refine only along the road side. that means local grid only along X direction. but in Y direction only road portion. what is the proceure
Qinghua Ye, modified 7 Years ago.

RE: DD Boundary in Delft 3D

Jedi Council Member Posts: 610 Join Date: 3/2/11 Recent Posts
Hi dear Mr. Siddique,

You can refine the grid using RGFGRID. If you want to refine only one direction, for example only m direction, you can set the refine factor as 3 for m dir, and 1 for n dir. If you want to refind a local area, you can select the section first.

You may refer to the Delft3D-FLOW RGFGRID manual for this operation.

Hope this will help a bit,