This package contains different expressions to determine the window opening area.
| Name | Description |
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Calculate geometric, projective, equivalent, and effective window opening areas, by different types of sash opening |
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Specified DIN CEN/TR 16798-8: Only valid for bottom- or top-hung opening |
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Specified DIN/TS 4108-8: Valid for different opening types |
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Specified Hall: Only valid for bottom-hung inwards opening |
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Specified VDI 2078: Only valid for bottom-hung inwards opening |
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Common simple opening (no sash) |
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Specified VDI 2078: Simple opening (no sash) |