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Ladybug Tools Academy
Urban Energy with Dragonfly
Urban Energy with Dragonfly
  • Introduction
  • From Honeybee to Dragonfly
  • Installation of URBANopt
  • Creating Buildings from Footprints
  • Assigning Construction Sets
  • Assigning Programs
  • Visualizing Dragonfly Models with Honeybee
  • Assigning Windows
  • Separating Roofs and Floors
  • Assigning Detailed HVAC Systems
  • GeoJSONs from Dragonfly Models
  • Running an URBANopt Simulation
  • Visualizing URBANopt Simulation Results
  • Creating Dragonfly Models from Solids
  • Deconstructing and Reconstructing Dragonfly Objects
  • Creating Models from Rooms
  • Refining Room-based Dragonfly Models
  • Applying Mapper Measures
  • Using URBANopt Results With REopt
  • Using URBANopt Results With OpenDSS
  • Modeling Urban Heat Island with the UWG
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Modeling Urban Heat Island with the UWG

PreviousUsing URBANopt Results With OpenDSS

Last updated 3 years ago

A guide to using urban-scale Dragonfly models to morph EPW files to account for the Urban Heat Island (UHI) effect using the Urban Weather Generator (UWG) simulation engine. The resulting urban EPW files can be used to assess the impact of UHI on building energy use, outdoor thermal comfort, and passive survivability.

Check out the Introduction page to find sample files used in this video.

Additional Resources

UWG Documentation and Source Code:

Grasshopper Definition:

http://www.meteo.fr/icuc9/LongAbstracts/udc5-4-6531531_a.pdf
https://github.com/ladybug-tools/lbt-grasshopper-samples/blob/master/samples/dragonfly/uwg_example.gh