Ladybug + Honeybee + Butterfly • Parametric Performance Analysis Plugins • Free

Ladybug imports standard EnergyPlus Weather files (.EPW) into Rhino/Grasshopper and provides a variety of 3D interactive graphics to support the decision-making process during the initial stages of design. Honeybee connects Grasshopper3D to EnergyPlus, Radiance, Daysim and OpenStudio for building energy and daylighting simulation. Butterfly is powered by OpenFOAM, which is a validated and open-source engine for Computational Fluid Dynamics (CFD). Primarily, the plugin assists with exporting geometry and other input parameters from Rhino/GH interface to the OpenFOAM engine. It also supports live results visualization that updates as the CFD simulation iterates.


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