Contact US

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Simulating Manhole Wall

Simulating Manhole Wall

Simulating Manhole Wall

I am wondering how to go about modelling a manhole that has a demising wall inside. I have the outlet pipe on the other side of the wall created in the program, but I am not sure how to represent a wall that restricts flow into the outlet up to the designed elevation.

I have tried dividing the manhole into two separate pond nodes, one for each side of the wall, with the space between the wall and the ceiling of the manhole represented by an appropriated dimensioned outlet, but my confidence in this approach is minimal.

Any help?

RE: Simulating Manhole Wall

You can model this as a compound outlet on a single pond:

Device#1=Culvert, Routing=Primary
Device#2=Weir, Routing=Device#1

This will require the water to flow over the weir before entering the culvert.

For full details on compound outlets please see www.hydrocad.net/pond1.htm

RE: Simulating Manhole Wall

You might also want to look at the incoming culvert as Device 3 (routing 2), since its length or inlet characteristics may differ from the outlet culvert.

RE: Simulating Manhole Wall


A pond can only handle outlet devices.  So in order to model the incoming pipe, it would need to be modeled as an outlet device on an upstream node.  This is a typical catch-basin to catch-basin scenario as discussed at www.hydrocad.net/sewers.htm

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members! Already a Member? Login


Low-Volume Rapid Injection Molding With 3D Printed Molds
Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. Download Now
Design for Additive Manufacturing (DfAM)
Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a part’s function at the center of their design considerations. Download Now
Taking Control of Engineering Documents
This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. Download Now

Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close