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mholthaus

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About mholthaus

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  1. Has anyone had any experience modeling culverts into CMS-Flow? I am trying to simulate marsh site in southern new jersey that in piped within its main channel inlet for a small bridge crossing. I have pulled in a code to match the descriptions for coding culverts as outlined in the bulletin from USACE, found here http://acwc.sdp.sirsi.net/client/search/asset/1029144 , for my specific site. The model will run up to the point flow begins to enter into the pipe, and then crashes and states the model is divergent. Does anyone have any experience or tips on how to check and resolve the issues causing the model to crash with the culvert code?
  2. Has anyone had any experience modeling culverts into CMS-Flow? I am trying to simulate marsh site in southern new jersey that in piped within its main channel inlet for a small bridge crossing. I have pulled in a code to match the descriptions for coding culverts as outlined in the bulletin from USACE, found here http://acwc.sdp.sirsi.net/client/search/asset/1029144 , for my specific site. The model will run up to the point flow begins to enter into the pipe, and then crashes and states the model is divergent. Does anyone have any experience or tips on how to check and resolve the issues causing the model to crash with the culvert code?
  3. Hi, I am in the process of modeling and existing and proposed conditions of a wetland restoration using RMA2. One of the proposed conditions that I need to model is a simiulation of a tide/sluice gate restriction of the tide coming in and out of the site. I have developed the 1d control element as seen on the attached, but can not find any real guidance in the coding of the control element. Has anyone else performed a similuation of a gate like this, allowing flow to go in both directions with the tide, that can provide some assistance in the attribute/mesh coding to make sure the RMA2 module runs correctly for what I am trying to do? Specifically to tell the model that there is an opening between elevations 2 and -7.5 that it can flow through at this control structure, and nothing higher is allowed into the site. Thanks
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