Forum Discussions (109)

Discussions Replies Latest Activity

Walkability Error Message

Hi,I am currently trying to run a walkability test on a neighborhood I built. Unfortunately Rhino shows this error: umi mobility error: The…

Started by Yoann Gorostiaga

3 May 8, 2017
Reply by Yoann Gorostiaga

Hi, I am not able to "Save as" my file.

UMI generated an error file when I tried to save my file with a different name. Also in the existing file, umi's window tabs (project and s…

Started by Charvi Jagani

8 Apr 28, 2017
Reply by Cody Rose

Urban heat island simulation

Hello, I am new to Rhino and Umi. I have started exploring the tutorials available at umi website.  I want to check the difference in Urban…

Started by Neha Singhal

0 Apr 18, 2017

Umi v2.2

Dear umi team,  I would like to ask when umi v2.2 will be released?  I wanted to try the example in

Started by mohamed aly

1 Apr 16, 2017
Reply by Cody Rose

UMI Building Layer

Hi,  I wanted to know if having buildings in more than one sublayer under the Building layer makes any difference in the simulation? I have…

Started by Charvi Jagani

2 Apr 15, 2017
Reply by Charvi Jagani


Hello, I am interested in using UMI in conjunction with UWG to perform an analysis of heat development in an urban setting, specifically th…

Started by Declan Fay

5 Mar 23, 2017
Reply by Declan Fay

Assigning Fuel Sources to End Uses

Hello everyone! We are looking into using UMI for some overall community planning and while the results seem to suggest it’s possible, we…

Started by Michael Wong

3 Mar 16, 2017
Reply by Cody Rose


Hi, I am new to both Umi and Rhino so forgive me if this is a silly question. I have been trying to follow the tutorials to complete an FAR…

Started by Declan Fay

0 Mar 10, 2017

Weather data file imported

Hi everyone I would like to know if I can import weather data to UMI in EPW or TMY3 fomart.

Started by Melba Rosa

1 Mar 8, 2017
Reply by Cody Rose

Wind and afn in Ventilation tab.

Hi, Would wind and afn affect the simulation results only when the natural ventilation is checked? or affect the wind speed or direction (m…

Started by J Kim

1 Feb 28, 2017
Reply by Cody Rose


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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