Energy, daylight, structure and airflow can start from the design model, but not from the same model as is. Learn what each analysis needs, and how to keep the analysis model and the design model in step.
Design models can feed analysis: energy use, daylight, thermal comfort, structural behaviour, airflow, acoustics. Done well, analysis moves from an occasional report to a regular check on the design. Done badly, it runs on an export that nobody can repeat, against a design that has since changed.
Each analysis tool needs a different simplification of the design. Energy tools need closed spaces and the surfaces around them. Structural tools need members as lines with nodes, supports and loads. Daylight tools need surfaces with their materials. None needs the furniture or the door handles.
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