tag:blogger.com,1999:blog-1675184707067447729.post7816536585613939132..comments2023-07-12T07:12:04.697-07:00Comments on The RAS Solution: Q & A: Flow AttenuationChris G.http://www.blogger.com/profile/00354834185663924786noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-1675184707067447729.post-88681709439417486942018-06-04T23:09:16.875-07:002018-06-04T23:09:16.875-07:00I am getting the same results by using breaklines ...I am getting the same results by using breaklines and not using breaklines for a only 2d analysis. Can anyone tell me why? i have followed the standard procedure. Thanks in advance.Angana Borahhttps://www.blogger.com/profile/03593537950102307903noreply@blogger.comtag:blogger.com,1999:blog-1675184707067447729.post-84841769926529025662016-07-07T13:16:54.045-07:002016-07-07T13:16:54.045-07:00In the standard table 1 output, you can add the va...In the standard table 1 output, you can add the variable "cum volume". That is the best way to measure the volume in the reservoir. Just subtract the cumulative volume at the upstream end of the reservoir from the cumulative volume at the downstream end. If you do this from a dynamic routing run, you'll get the "dynamic" volume for a given stage. If you want a static (or level pool) volume for a given stage, set up a bunch of steady flow profiles and run those. Chris G.https://www.blogger.com/profile/03272464763887890080noreply@blogger.comtag:blogger.com,1999:blog-1675184707067447729.post-68331884942948952522016-07-07T12:50:54.007-07:002016-07-07T12:50:54.007-07:00I am doing a dymamic routing of a reservoir and I ...I am doing a dymamic routing of a reservoir and I would like to know how I can measure de volume of the reservoir for different levels of the reservoir.<br />Should I use the steady analysis or the volume of a reservoir can be obtained also using unsteady analysis.<br /><br />Thanks,<br /><br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-1675184707067447729.post-40525744595850836352016-02-18T09:42:43.281-08:002016-02-18T09:42:43.281-08:00Increasing the n values is the easy thing to do to...Increasing the n values is the easy thing to do to increase attenuation. Also, if you are not properly accounting for all available storage (both in cross sections with ineffective flow areas and offline with storage areas), you'll underestimate attenuation. Look for portions of cross sections that should be ineffective. Also, look for cross sections where the water surface extends above the end points at any time during the simulation. That is a sure way to underestimate storage.Chris G.https://www.blogger.com/profile/03272464763887890080noreply@blogger.comtag:blogger.com,1999:blog-1675184707067447729.post-71201608208258703052016-02-18T08:58:01.361-08:002016-02-18T08:58:01.361-08:00Is there a recommended method for intentionally in...Is there a recommended method for intentionally increasing attenuation? Our model shows some attenuation downstream, but not enough based on our gaged data near the downstream boundary condition. Adamnoreply@blogger.com