Forum Discussions (116)

Discussions Replies Latest Activity

Problem with Daylighting simulation

We are newcomers to UMI, and have successfully run a thermal (operational energy) simulation assigning building information and adding wind…

Started by Luca Canepar0

1 Nov 26, 2013
Reply by Luca Canepar0

CleanUp Surfaces Script for 3ds or dxf Files

Dear Developers, Is there a script for Umi to clean up triangular surfaces, which are generated as a result of importing 3ds or dxf files t…

Started by Ladan Gd

0 Oct 28, 2013

Adiabatic Walls and Shading Effect from Neighboring Buildings

Dear Alstan and the UMI Developers, I would like you thank you for providing the urban modeling tool. While working with my simple model in…

Started by Ladan Gd

2 Oct 28, 2013
Reply by Ladan Gd

Strange issues when running energy simulation!

Dear forum I am preparing a course for students, and unfortunately I am having some strange issues/errors when running energy simulation. I…

Started by daniel nielsen

4 Oct 22, 2013
Reply by daniel nielsen

UMI error

I am working on an assignment for class and I imported a sketchup file to rhino and then applied meshtonurb to make the file more editable.…

Started by John Pasowicz

3 Oct 22, 2013
Reply by Timur

Error when selecting geometry

I have this error as soon as I try to run Set Building info or Simulations Any suggestions?

Started by Kaloyan Tomov

1 Sep 16, 2013
Reply by J. Alstan Jakubiec

Builder parameters missing

Hi! I just installed the UD plug-in into grasshopper for Rhino 5 and it looks like this: When I click on the Builder icon on the UD tab t…

Started by Kaloyan Tomov

2 Sep 5, 2013
Reply by Kaloyan Tomov

Looking for Building Templates

Hi I am so excited using UMI. But I wonder where can I find regular templates for commercial buildings, office buildings and residential bu…

Started by Yingying Lu

2 Aug 21, 2013
Reply by Yingying Lu

Creating geometry

Hi, Must the wizard always be used to generate windows and floors or can we create our own through standard modeling techniques? When I use…

Started by Ed Clark

2 Aug 20, 2013
Reply by J. Alstan Jakubiec

Grasshopper UMI

Hi, I moved to grasshoper component. I can see that there is no thermal simulation at current stage. I open some example and tried to run b…

Started by Michal Dengusiak

12 Jul 2, 2013
Reply by daniel nielsen


In Short

Umi is a Rhino-based design environment for architects and urban planners interested in modeling the environmental performance of neighborhoods and cities with respect to operational and embodied energy use, walkability and daylighting potential. Since 2012, Umi has been  developed by the Sustainable Design Lab at the Massachusetts Institute of Technology with support from a National Science Foundation EFRI_SEED project, the MIT Energy Initiative, the Kuwait-MIT Center, the Center for Complex Engineering Systems (CCES) at KACST and MIT, Transsolar Climate Engineering and United Technologies Corporation. Further tool developed is now also being conducted at the Environmental Systems Lab at Cornell University.

A first public version of Umi was released during a public symposium on Sustainable Urban Design on May 6th 2013 at the Massachusetts Institute of Technology. Version 2.0, which also includes an embodied energy module, was released on November 7th 2014.

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