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<?xml-stylesheet type="text/xsl" href="https://communities.bentley.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>Estuary with tidal intrusion</title><link>https://communities.bentley.com/products/hydraulics___hydrology/f/haestad-hydraulics-and-hydrology-forum/225735/estuary-with-tidal-intrusion</link><description>Hi, I&amp;#39;m trying to simulate an estuary (the mouth of a river in the sea) but I can&amp;#39;t find any information about the steps to follow to model the river that flows into the sea. I have already simulated the tidal hydrodynamic model in the estuary domain</description><dc:language>en-US</dc:language><generator>Telligent Community 12</generator><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/728880?ContentTypeID=1</link><pubDate>Mon, 29 Aug 2022 11:37:19 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:591af540-12c3-4f04-913b-658b44728a49</guid><dc:creator>Luis Fernandes</dc:creator><description>&lt;p&gt;Because you have some many indents in your polygon line, but you&amp;#39;ve only identified 4 &amp;quot;turn right&amp;quot; points it gets complicated for the algorithm to generate a fine resolution grid. Try simplifying the polygon line by creating a new one enveloping the river area but with less points and no sharp small turns in direction (e.g. the line looks to follow a gridded format, with sharp 90 degree turns). Please let me know if following those guidelines solves your problem.&lt;/p&gt;
&lt;p&gt;Kind regards,&lt;br /&gt;Luis&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/728877?ContentTypeID=1</link><pubDate>Mon, 29 Aug 2022 11:18:51 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:bebb118d-bb3c-4909-8d85-5ad275b07fd6</guid><dc:creator>Gabriel Huck</dc:creator><description>&lt;p&gt;Thank you very much Luis for your answer. Here I attach the polygon. Although I have carefully read the instructions for designing a curvilinear grid, there are some details that I have not considered.&lt;a title="Polygon google drive link" href="https://drive.google.com/drive/folders/18F1wsJZmQby4tN0XN_fRZaMMUIHr-vZW?usp=sharing"&gt;https://drive.google.com/drive/folders/18F1wsJZmQby4tN0XN_fRZaMMUIHr-vZW?usp=sharing&lt;/a&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/728853?ContentTypeID=1</link><pubDate>Mon, 29 Aug 2022 09:55:26 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:12a7a20c-6789-4119-bfcb-b8f55c07b105</guid><dc:creator>Luis Fernandes</dc:creator><description>&lt;p&gt;Hello Gabriel,&lt;/p&gt;
&lt;p&gt;As stated in the error message it looks like the polygon line is not a simple polyline. Check for possible line self-intersections and try to simplify the line where possible. Note that you do not need to give a very detailed outline of the coastline. You only need to delineate the major indents (e.g. tributary rivers, small bays, etc.).&amp;nbsp;&lt;/p&gt;
&lt;p&gt;You may find useful information in this article about &lt;a href="/products/hydraulics___hydrology/w/hydraulics_and_hydrology__wiki/54972/how-to-create-a-curvilinear-grid-in-openflows-flood" rel="noopener noreferrer" target="_blank"&gt;generating curvilinear grids in OpenFlows FLOOD&lt;/a&gt;.&amp;nbsp;&lt;/p&gt;
&lt;p&gt;You can always send us the polygon file so we help point out what&amp;#39;s causing the problem and how to solve it.&amp;nbsp;&lt;/p&gt;
&lt;p&gt;Kind regards,&lt;/p&gt;
&lt;p&gt;Luis&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/728737?ContentTypeID=1</link><pubDate>Mon, 29 Aug 2022 02:48:00 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:7c9a7cd9-d86e-48b3-8fd4-66d897057eba</guid><dc:creator>Gabriel Huck</dc:creator><description>&lt;p&gt;Thank you for your response and I apologize for the delay in my response. I have managed to solve the problem but due to the resolution of the grid, I have not been able to simulate the river. To solve this problem, I have tried to make a curvilinear grid, but the software throws an error that I show below.&lt;br /&gt;I will be grateful if you can guide me to solve the problem.&lt;/p&gt;
&lt;p&gt;&lt;img alt=" " src="/resized-image/__size/320x240/__key/communityserver-discussions-components-files/5925/5126.fig1.png" /&gt;&lt;img alt=" " src="/resized-image/__size/320x240/__key/communityserver-discussions-components-files/5925/fig2.png" /&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/724754?ContentTypeID=1</link><pubDate>Wed, 03 Aug 2022 22:08:53 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:eae4993e-7e82-4c6a-b2a5-3c1fd5683b28</guid><dc:creator>Luis Fernandes</dc:creator><description>&lt;p&gt;Hi Gabriel,&lt;/p&gt;
&lt;p&gt;Without knowing the details and objectives of your simulation, I can&amp;#39;t make many recommendations, but looking now in a little more detail to your grids/bathymetries I see the following:&amp;nbsp;&lt;/p&gt;
&lt;p&gt;1) the father grid has many areas that possibly didn&amp;#39;t have enough bathymetry data and you&amp;#39;ve possibly chosen not to extrapolate during the bathymetry interpolation process. This produces many areas where the bathymetry is set to -55 (which is a default in OpenFlows FLOOD for undefined bathymetry value). If you play with the bathymetry color scale and plot all values below zero with a violet color you should see those areas easily, see example below (but there are at least 7-8 areas like this).&amp;nbsp;&lt;/p&gt;
&lt;p&gt;&lt;img alt=" " src="/resized-image/__size/600x400/__key/communityserver-discussions-components-files/5925/Bathymetry55.png" /&gt;&lt;/p&gt;
&lt;p&gt;2) The son grid does not have sufficient resolution to model the upstream part of the river (see image below). The resolution should allow for adjacent grid cells to share a face. If not flow will not pass from one to the other. Also, the son bathymetry has the same problems in some areas as described in point 1)&lt;/p&gt;
&lt;p&gt;&lt;img alt=" " src="/resized-image/__size/600x400/__key/communityserver-discussions-components-files/5925/GridCoarseResolution.png" /&gt;&lt;/p&gt;
&lt;p&gt;Having more details on what you&amp;#39;re trying to simulate I could make other suggestions .Maybe use a curvilinear grid for the river?&lt;/p&gt;
&lt;p&gt;Hope this helps. Kind regards;&lt;br /&gt;Luis&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/724054?ContentTypeID=1</link><pubDate>Sat, 30 Jul 2022 01:07:41 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:a74c5ed2-3e9f-4389-a73b-1066a6dc7589</guid><dc:creator>Gabriel Huck</dc:creator><description>&lt;p&gt;Hi Luis, thanks for your reply.&lt;/p&gt;
&lt;p&gt;I will try these steps to avoid errors.&lt;br /&gt;Do you think that I can configure the model in another way to make it a little more practical (simplify) to execute? This means, correcting the grids, using other types of grids, improving the bathymetries?&lt;br /&gt;I will appreciate your reply.&lt;br /&gt;Sincerely,&lt;/p&gt;
&lt;p&gt;Gabriel&lt;/p&gt;
&lt;div style="left:509px;position:absolute;top:20px;" id="gtx-trans"&gt;
&lt;div class="gtx-trans-icon"&gt;&lt;/div&gt;
&lt;/div&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/723843?ContentTypeID=1</link><pubDate>Fri, 29 Jul 2022 01:27:56 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:27be8a7b-0628-4adb-b835-dc1848f2f1f1</guid><dc:creator>Luis Fernandes</dc:creator><description>&lt;p&gt;Hello Gabriel,&lt;/p&gt;
&lt;p&gt;I took a look at your model setup and:&amp;nbsp;&lt;/p&gt;
&lt;p&gt;You&amp;#39;ve setup the &amp;quot;father&amp;quot; model hydrodynamic module to output time series results and set a path to the time series location file that does not exist&lt;/p&gt;
&lt;p&gt;&lt;img alt=" " src="/resized-image/__size/600x400/__key/communityserver-discussions-components-files/5925/TimeSeriesLocationPath.png" /&gt;&lt;/p&gt;
&lt;p&gt;I have fixed that and ran the model. Then I got an error message related with the existence of isolated grid cells in your bathymetry files (both for the father and the son model). This results in the model generating a corrected bathymetry file. So far so good, but for some reason it seems that FLOOD is also activating an option that if this happens the simulation does not stop. To fix this you should open both the father and son Model.dat input files in a text editor and change:&amp;nbsp;&lt;/p&gt;
&lt;p&gt;STOP_ON_BATHYMETRY_CHANGE : 0&lt;/p&gt;
&lt;p&gt;to&amp;nbsp;&lt;/p&gt;
&lt;p&gt;STOP_ON_BATHYMETRY_CHANGE : 1&lt;/p&gt;
&lt;p&gt;Then run the simulation again and after it starts the model will stop and warn you that it has changed the bathymetry. You should then change the bathymetry file path to the newly generated file. You&amp;#39;ll have to do it for the father and son domains,&lt;/p&gt;
&lt;p&gt;After I&amp;#39;ve fixed&amp;nbsp; it and ran the simulation, another error is produced:&amp;nbsp;&lt;/p&gt;
&lt;p&gt;ReadAssimilationFilesName - ModuleAssimilation - ERR01&lt;/p&gt;
&lt;p&gt;&lt;/p&gt;
&lt;p&gt;This is caused by the fact that in the &amp;quot;son&amp;quot; domain Hydrodynamic module you&amp;#39;ve set to True the option Data Assimilation and Flow Relaxation.&amp;nbsp;&lt;/p&gt;
&lt;p&gt;When you do that you&amp;#39;ll need to activate the Assimilation module in your simulation options and then configure it accordingly. Given your simulation consists of two 2D domains forced only by tide, you&amp;#39;ll possibly don&amp;#39;t even need to activate the&amp;nbsp;&lt;span&gt;Data Assimilation and Flow Relaxation. In case you want to do it you may want to look at this &lt;a href="http://wiki.mohid.com/index.php?title=Nesting_models#Keywords_in_Assimilation.dat" rel="noopener noreferrer" target="_blank"&gt;article &lt;/a&gt;from the MOHID Water wiki (see example 2):&amp;nbsp;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span&gt;Please let me know if this solves your problem or if you need any additional&amp;nbsp;information.&amp;nbsp;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span&gt;&lt;/span&gt;&lt;span&gt;Kind regards,&lt;br /&gt;Luis&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/723596?ContentTypeID=1</link><pubDate>Wed, 27 Jul 2022 21:02:42 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:366fe3e9-58b6-4b0a-ab2f-2b96a85c4d0c</guid><dc:creator>Jesse Dringoli</dc:creator><description>&lt;p&gt;Hi Gabriel, we are looking into this and will get back to you shortly.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/723538?ContentTypeID=1</link><pubDate>Wed, 27 Jul 2022 11:28:28 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:3796612c-0cee-4b2a-ac06-c027abebd8a9</guid><dc:creator>Gabriel Huck</dc:creator><description>&lt;p&gt;Jesse, thanks for your help.&lt;br /&gt;When I say: &amp;quot;it is not created&amp;quot;, I mean that the nested hydrodynamic model is not executed (run).&lt;br /&gt;I attach below the exported model, maybe you can test it and identify the error.&lt;br /&gt;Thank you very much.&lt;br /&gt;Good day!&lt;br /&gt;Gabriel Huck&lt;/p&gt;
&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href="https://drive.google.com/drive/folders/116c3zrW-3bgVCPDvM60-RYLKSCgU0tfw?usp=sharing"&gt;drive.google.com/.../116c3zrW-3bgVCPDvM60-RYLKSCgU0tfw&lt;/a&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/723144?ContentTypeID=1</link><pubDate>Mon, 25 Jul 2022 17:51:56 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:06674c4c-8048-4d48-b4f7-a621a50e7b25</guid><dc:creator>Jesse Dringoli</dc:creator><description>&lt;p&gt;Gabriel,&lt;/p&gt;
&lt;p&gt;Can you elaborate on what you mean by &amp;quot;not created&amp;quot;? Are you encountering any message, or are you attempting to complete some action and nothing happens? Any details you can provide (including your FLOOD version number) would be helpful for troubleshooting.&lt;/p&gt;
&lt;p&gt;&lt;span&gt;It may also be helpful for you to provide all the files necessary for us to attempt to reproduce the issue. See:&amp;nbsp;&lt;/span&gt;&lt;a href="/products/hydraulics___hydrology/w/hydraulics_and_hydrology__wiki/51090/how-to-export-and-import-openflows-flood-workspaces"&gt;How to Export and Import OpenFlows FLOOD Workspaces&lt;/a&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/722869?ContentTypeID=1</link><pubDate>Fri, 22 Jul 2022 11:49:29 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:36c67237-6567-40b0-bd74-5f450fa51178</guid><dc:creator>Gabriel Huck</dc:creator><description>&lt;p&gt;Hello. Thank you for always responding to our queries.&lt;br /&gt;In this case I would like to tell you that I have followed the instructions step by step to make the model of the estuary, but even so, the nested hydrodynamic model is not created. The problem is that, by not being able to identify the error, we do not know what it is due to.&lt;br /&gt;What can be happening?&lt;br /&gt;Is it possible to make a nested model with a curvilinear grid? If possible, where can I find this information?&lt;br /&gt;Thanks.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/697549?ContentTypeID=1</link><pubDate>Sat, 19 Feb 2022 18:53:29 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:2551375b-0b1a-44e3-9e2a-05722d6e1b3f</guid><dc:creator>Gabriel Huck</dc:creator><description>&lt;p&gt;Thank you very much!&lt;br /&gt;I will be testing this suggestion.&lt;br /&gt;Regards,&lt;/p&gt;
&lt;p&gt;Gabriel Huck&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/697311?ContentTypeID=1</link><pubDate>Thu, 17 Feb 2022 23:43:40 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:f0c36f8e-f3f7-4ed7-9498-6331106245a3</guid><dc:creator>Luis Fernandes</dc:creator><description>&lt;p&gt;Hello Gabriel,&lt;/p&gt;
&lt;p&gt;Please check the article about &lt;a href="/products/hydraulics___hydrology/w/hydraulics_and_hydrology__wiki/58349/submodel-nesting-in-coastal-model-applications" rel="noopener noreferrer" target="_blank"&gt;Nesting sub-models in coastal applications in OpenFlows FLOOD&lt;/a&gt;. It contains a walkthrough guide with all the steps necessary to refine your solution using a nested model approach.&amp;nbsp;&lt;/p&gt;
&lt;p&gt;Please let me know if you have any additional questions.&lt;/p&gt;
&lt;p&gt;Kind regards,&lt;/p&gt;
&lt;p&gt;Luis Fernandes&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/697246?ContentTypeID=1</link><pubDate>Thu, 17 Feb 2022 16:20:00 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:9e0efa4d-e0a6-43ee-aa33-804d8035486e</guid><dc:creator>Luis Fernandes</dc:creator><description>&lt;p&gt;Hello Gabriel,&lt;/p&gt;
&lt;p&gt;OK, I will provide detailed information on how to setup a nested submodel in OpenFlows FLOOD in the form of a wiki article soon.&lt;/p&gt;
&lt;p&gt;Thanks and regards,&lt;br /&gt;Luis&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/696733?ContentTypeID=1</link><pubDate>Tue, 15 Feb 2022 22:40:36 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:d406dd74-37e3-4133-a93d-476061505c33</guid><dc:creator>Gabriel Huck</dc:creator><description>&lt;p&gt;Hello Luis,&lt;/p&gt;
&lt;p&gt;I have modeled the estuary using a higher resolution grid and I used the river as a discharge, but the execution time is too long. I would like to try refining the grid using a submodel. Could you give me information to do this?&lt;br /&gt;The objective is to calculate the coastal/river mixing area and then use the hydrodynamic model to calculate the sediment transport in the river: this should be useful to find out if the sediments accumulate outside the mouth of the river, or if the tide introduces sediments.&lt;br /&gt;Thank you very much for your help.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/696469?ContentTypeID=1</link><pubDate>Mon, 14 Feb 2022 18:20:42 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:9c634e04-becd-4a1c-8cba-8a89a82ebf19</guid><dc:creator>Gabriel Huck</dc:creator><description>&lt;p&gt;Hello Luis, thank you for your answer, it has been very useful. My idea is to simulate an estuary where the mixing zone can be distinguished, the extent of the saline plume in the river generated by the variation in sea level. Based on the options you described to me above, I would think it would be a good idea not to use a nested simulation. I think it is better to extend the grid inland (that is, in the river region) and then add the river with the discharge module. Once we obtain the hydrodynamics of the river, we will be able to run the sediment and heavy metal transport models.&lt;br /&gt;Again thank you very much and I keep in touch with you.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/696445?ContentTypeID=1</link><pubDate>Mon, 14 Feb 2022 16:23:18 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:3d1eee0b-1ecb-4f17-9185-71f102cd48bd</guid><dc:creator>Luis Fernandes</dc:creator><description>&lt;p&gt;Hi Gabriel,&lt;/p&gt;
&lt;p&gt;Depending on the objectives of the simulation and if you know what the river flow is, you can do this type of simulation using the coastal model/engine (MOHID Water) in OpenFlows FLOOD.&amp;nbsp;&lt;span style="font-family:inherit;"&gt;In this case, you solve the region of fresh water influence in 3D computing the river mixing with coastal waters.&amp;nbsp;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;Also depending on the size of river and area of interest you can potentially do everything using only one computational grid. In that case, you need to also add the river bathymetry to the grid and:&amp;nbsp;&lt;/p&gt;
&lt;p&gt;1) you have to expand your computational grid inland to accomodate the estuarine area of the river (you should simulate the river upstream to where the tide has influence)&lt;/p&gt;
&lt;p&gt;2) increase the grid resolution so that the river is well represented. If this results in a grid too big you may want to refine it using a submodel. If that is the case, I can provide some additional information, please let me know.&amp;nbsp;&lt;/p&gt;
&lt;p&gt;3) Add the river flow as a Discharge. Add the discharge module into your simulation and&amp;nbsp;specify&amp;nbsp;the location and flow options.&amp;nbsp;&lt;/p&gt;
&lt;p&gt;Is the focus the coastal/riverine mixing area? Is this only the river? Are you looking to compute river conveyance dependency on the sea level boundary condition? There are many possibiities, so depending on the speficic details I may be able to provide more suggestions.&amp;nbsp;&lt;/p&gt;
&lt;p&gt;Kind regards,&lt;br /&gt;Luis&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/696418?ContentTypeID=1</link><pubDate>Mon, 14 Feb 2022 14:22:39 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:af0f6542-f18c-4286-ae89-53e157b31425</guid><dc:creator>Gabriel Huck</dc:creator><description>&lt;p&gt;Hello Yashodhan,&lt;/p&gt;
&lt;p&gt;Hello. Thanks for your reply. I am trying to simulate the hydrodynamic model at the mouth of a river. This is about a river that flows into the sea and I need to calculate how the river currents interact with the variation in sea level.&lt;br /&gt;To accomplish this, I ran a 2D model of the ocean side to get the tide in the river mouth domain. I understood that now I should nest the river simulation, correct? At the moment I don&amp;#39;t need to calculate waves.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Estuary with tidal intrusion</title><link>https://communities.bentley.com/thread/696317?ContentTypeID=1</link><pubDate>Mon, 14 Feb 2022 04:15:53 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:16524e20-a951-4deb-9e47-5fbce980e805</guid><dc:creator>Yashodhan Joshi</dc:creator><description>&lt;p&gt;Hello Gabriel,&lt;/p&gt;
&lt;p&gt;Are you simulating a coastal scenario? You can look at setting up&amp;nbsp;such a simulation here:&amp;nbsp;&lt;a href="/products/hydraulics___hydrology/w/hydraulics_and_hydrology__wiki/53769/input-wave-parameters-in-a-coastal-simulation" rel="noopener noreferrer" target="_blank"&gt;Input wave parameters in a coastal simulation&lt;/a&gt;. Have you setup this simulation already?&lt;/p&gt;
&lt;p&gt;Do you want to model flooding due to tidal intrusion front?&lt;/p&gt;
&lt;p&gt;Can you please elaborate a bit more on what you want to simulate?&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>