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DELWAQ

DELWAQ is the engine of the D-Water Quality and D-Ecology programmes of the Delft3D suite. It is based on a rich library from which relevant substances and processes can be selected to quickly put water and sediment quality models together.

The processes library covers many aspects of water quality and ecology, from basic tracers, dissolved oxygen, nutrients, organic matter, inorganic suspended matter, heavy metals, bacteria and organic micro-pollutants, to complex algae and macrophyte dynamics. High performance solvers enable the simulation of long periods, often required to capture the full cycles of the processes being modelled.

The finite volume approach underlying DELWAQ allows it to be coupled to both the structured grid hydrodynamics of the current Delft3D-FLOW engine and the upcoming D-Flow Flexible Mesh engine (1D-2D-3D) of the Delft3D Flexible Mesh Suite (or even other models such as TELEMAC).

'DELWAQ in open source' is our invitation to all leading experts to collaborate in further development and research in the field of water quality, ecology and morphology using Delft3D. Feel free to post your DELWAQ related questions or comments in this dedicated forum space. If you are new to DELWAQ, the tutorial (in the user manual) is a good place to start. A list of DELWAQ related publications is available here.

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Sub groups
D-Flow Flexible Mesh
DELWAQ

Cohesive sediments & muddy systems

 


Message Boards

Delft Dashboard tidemodels

LD
Lesley Davidson, modified 23 Days ago.

Delft Dashboard tidemodels

Youngling Posts: 1 Join Date: 2/24/20 Recent Posts
Hello, I have recently started working with Delft Dashboard to generate files for Delft3D flow/waves however when I click on 'make boundary conditions' in Model Maker Quick Mode, MATLAB gives the following error:
Error using nc_varget_java (line 31)
Could not open 'https://opendap.deltares.nl/thredds/catalog/opendap/deltares/delftdashboard/tidemodels/tpxo72.nc' with java backend.
I have updated the SVN to ensure that I have the most up-to-date version of Delft Dashboard. Could something be wrong with the xml file or links provided in the xml file? or could the websites be down?  I've added the contents of the xml file in case something in it needs editing.<?xml version="1.0"?>
<root>
  <model>
    <name>tpxo62</name>
    <longName>TPXO 6.2 Global Inverse Tide Model</longName>
    <version>1</version>
    <type>netCDF</type>
    <URL>https://opendap.deltares.nl/thredds/dodsC/opendap/deltares/delftdashboard/tidemodels</URL>
    <useCache>1</useCache>
  </model>
  <model>
    <name>tpxo72</name>
    <longName>TPXO 7.2 Global Inverse Tide Model</longName>
    <version>1</version>
    <type>netCDF</type>
    <URL>https://opendap.deltares.nl/thredds/dodsC/opendap/deltares/delftdashboard/tidemodels</URL>
    <useCache>1</useCache>
  </model>
  <model>
    <name>es2008</name>
    <longName>European Shelf 2008</longName>
    <version>1</version>
    <type>netCDF</type>
    <URL>https://opendap.deltares.nl/thredds/dodsC/opendap/deltares/delftdashboard/tidemodels</URL>
    <useCache>1</useCache>
  </model>
  <model>
    <name>tpxo80</name>
    <longName>TPXO 8.0 Global Inverse Tide Model</longName>
    <version>1</version>
    <type>netCDF</type>
    <URL>https://opendap.deltares.nl/thredds/fileServer/opendap/deltares/delftdashboard/tidemodels/tpxo80</URL>
    <useCache>1</useCache>
  </model>
</root>
Any help is much appreciated,Thanks and all the best,Lesley
CA
Christian Armstrong, modified 23 Days ago.

RE: Delft Dashboard tidemodels

Youngling Posts: 5 Join Date: 10/29/20 Recent Posts
Hi Lesley, 

You probably already have an answer for to this. The server for the tide database was down a couple weeks ago. I dropped Delft an email and they have since fixed the issue, but you do need to update (redownload from the SVN) your dashboard from OpenEarth tools. 
Hope this helps, Christian
RR
Raymond Rios, modified 23 Days ago.

RE: Delft Dashboard tidemodels

Youngling Posts: 1 Join Date: 3/9/21 Recent Posts
Maybe it is because of network problem. I tried both Txpo8.0 and 7.2 today in Dashboard, and accessed both successfully.

Maybe just try another time?

targetehr
LV
Laurice Angeli Villaflor, modified 23 Days ago.

RE: Delft Dashboard tidemodels

Youngling Posts: 4 Join Date: 6/9/18 Recent Posts
Hi Raymond Rios,

Today (03/18/2021) I accessed the Delft Dashboard Tide Models however, this error shows:
opendap.dap.DAP2Exception: Method failed:HTTP/1.1 503 Service Temporarily Unavailable on URL= http://opendap.deltares.nl/thredds/dodsC/opendap/deltares/delftdashboard/tidemodels/tpxo62.nc.dds

When was the last time you accessed Delft Dashboard Tide Models? Can you access it now?

Your help would be very much appreciated.

Laurice
CF
Chris Furlong, modified 23 Days ago.

RE: Delft Dashboard tidemodels

Youngling Posts: 6 Join Date: 1/11/21 Recent Posts
I have found that sometimes waiting a while (less then a day tho) fixes the connection errors.Also, have you tried using different network?

Make sure that DelftDashboard code is updated using SVN. Click the update repository button. If it fails/times out, please “clean up” the directory with your svn tool, and try again until you get a success message.

Regards