Forum Discussions (127)

Discussions Replies Latest Activity

Operational energy results do not change with different schedule assignments

Hello, I have been using umi for a study of the effect of different occupancy schedules on an earlier model developed by our research team.…

Started by Diba Malekpour

0 Nov 7

how to calculate embodied carbon and energy

Hello, I am setting up a batch runner for a bunch of umi simulations and I am saving the results (all the values stored in the database for…

Started by Wesley

1 Nov 1
Reply by Wesley

UmiWrite error

Hello, I ran into a problem with the umiWrite component in Grasshopper, in that when I try and create an outpath for it, it throws an error…

Started by Wesley

1 Oct 11
Reply by Wesley

Accessing data in the UMI sqlite database

Hello, I am doing a project where I am going to be creating and running a bunch of models, potentially hundreds.  I am using excel and gras…

Started by Wesley

3 Oct 11
Reply by Wesley

UMI project (file) issue - geometry preview thread - affecting the Energy Simulation - disappeared .dat file

Dear Sir / Madam Good day, Hope you are doing well, It is more than two years that I practice and work with UMI for my studies and researc…

Started by Hossein Alipour

0 Oct 5

Energy simulation cannot run

Energy simulation cannot run, even though  I see "energy simulation complete" in the rhino command line. But lifecycle, mobility and FAR ca…

Started by kenan gocer

1 Sep 24
Reply by kenan gocer

umiWrite (Grasshopper) never works

Dear all, I try to use umiWrite component and it never works after my many times  of try-and error-efforts. Is there anyone who is successf…

Started by Tom Tran

0 Sep 11

Integration with Grasshopper and Galapagos

Hello again! I just wanted to find out if it is possible to evaluate umi models parametrically somehow with grasshopper, and specifically i…

Started by Wesley

5 Sep 7
Reply by Wesley

Per m2 Energy Results Not Available

Hello, I am using UMI to calculate operational energy per unit area in buildings of an urban precinct. The per unit (m2) function was worki…

Started by Kanishk Jain

0 Aug 31

No-logical results in the analysis of energy use for buildings

Hello. With the program I made a simulation of energy consumption for the selected location of Ljubljana (Slovenia). When dealing with the…

Started by 44spela

0 Aug 28


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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