SWMM-USERS Digest - 10 Jan 2012 to 18 Jan 2012 (#2012-4)
SWMM-USERS automatic digest system
Topics of the day:
1. Storm sewer w/ surface flow (2)
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Date: Wed, 18 Jan 2012 13:48:45 -0700
From: Ryan Byrne <RBy...@MARTINMARTIN.COM>
Subject: Storm sewer w/ surface flow
I am trying to run a simulation for an existing storm sewer that is
under capacity. Upon reaching capacity I have set my model up to divert
the excess flow to the street as open irregular channels. I am using
inflow hydrographs developed by the Colorado Urban Hydrograph Procedure
and routing them through inflow nodes which are symbolizing inlets. The
nodes are set as dividers with the OVERFLOW type selected. The inlet
invert is obviously below that of the street. I have tried offsetting
the inlet of the diversion link to provide a positive slope from the
flowline of the inlet to the street section, and setting the max depth
of the diversion node as the max depth of the street section plus the
flowline to invert dimension. What I'm getting is max flows through the
diversion link that are unreasonably in excess of the peak of the inflow
hydrograph.
Ryan Byrne, LEED AP
Engineer II
Martin/Martin, Inc.
12499 W. Colfax Ave., Lakewood, CO 80215
P) 303-431-6100 Ext. 288
www.martinmartin.com
This e-mail and any file (s) transmitted with it contain privileged and confidential information and are intended solely for the use of the individual or entity to which they are addressed. If you are not the intended recipient or the person responsible for delivering the e-mail to the intended recipient, you are hereby notified that any dissemination, disclosure or copying of this e-mail disclosure or copying of this e-mail or any of its attachments is strictly prohibited. If you have received this e-mail in error, please immediately notify the sending individual or entity by e-mail and permanently delete the original e-mail and attachment(s) from your computer system. Thank you.
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Date: Wed, 18 Jan 2012 14:09:26 -0700
From: Ryan Byrne <RBy...@MARTINMARTIN.COM>
Subject: Re: Storm sewer w/ surface flow
Robert,
How do I go about setting up the OUTLET link to achieve what I discussed?
Ryan Byrne, LEED AP
Engineer II
-----Original Message-----
From: Robert E Dickinson [mailto:robert.d...@gmail.com]
Sent: Wednesday, January 18, 2012 2:03 PM
To: Ryan Byrne
Subject: Re: [SWMM-USERS] Storm sewer w/ surface flow
Hi.
Node dividers only work in kinematic wave, you will have to use the
OUTLET link in Dynamic Wave to do the same as you want in your model.
Best and Kind Regards,
Robert Edgar Dickinson
Innovyze Inc.
On Wed, Jan 18, 2012 at 3:48 PM, Ryan Byrne <RBy...@martinmartin.com> wrote:
> I am trying to run a simulation for an existing storm sewer that is
> under capacity. Upon reaching capacity I have set my model up to divert
> the excess flow to the street as open irregular channels. I am using
> inflow hydrographs developed by the Colorado Urban Hydrograph Procedure
> and routing them through inflow nodes which are symbolizing inlets. The
> nodes are set as dividers with the OVERFLOW type selected. The inlet
> invert is obviously below that of the street. I have tried offsetting
> the inlet of the diversion link to provide a positive slope from the
> flowline of the inlet to the street section, and setting the max depth
> of the diversion node as the max depth of the street section plus the
> flowline to invert dimension. What I'm getting is max flows through the
> diversion link that are unreasonably in excess of the peak of the inflow
> hydrograph.
>
>
>
> Ryan Byrne, LEED AP
> Engineer II
>
> Martin/Martin, Inc.
> 12499 W. Colfax Ave., Lakewood, CO 80215
> P) 303-431-6100 Ext. 288
> www.martinmartin.com
>
>
>
>
>
>
> This e-mail and any file (s) transmitted with it contain privileged and confidential information and are intended solely for the use of the individual or entity to which they are addressed. If you are not the intended recipient or the person responsible for delivering the e-mail to the intended recipient, you are hereby notified that any dissemination, disclosure or copying of this e-mail disclosure or copying of this e-mail or any of its attachments is strictly prohibited. If you have received this e-mail in error, please immediately notify the sending individual or entity by e-mail and permanently delete the original e-mail and attachment(s) from your computer system. Thank you.
>
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End of SWMM-USERS Digest - 10 Jan 2012 to 18 Jan 2012 (#2012-4)
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