 Please select the unit of input values (default : Metric) [On-line Unit Converter]
If user would like to see English unit output, please select checkbox (default : Metric) |
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Metric(SI) unit [kg, m, m/s] |
English unit [lb, ft, mph] |
Output : English unit |
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| Building width B , depth D and height H |
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B [m, ft] |
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D [m, ft] |
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H [m, ft] |
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| 1st frequency for alongwind fx , Mode shape exponent β , Floor-to-floor height of building ΔH |
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fx [Hz] |
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β |
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ΔH [m, ft] |
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| Bulk Density ρB , Damping ratio of building ζ (e.g., enter 0.01 for 1% damping) |
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ρB [kg/m3, lb/ft3] |
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ζ |
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| Pulse duration td , 3-second basic wind speed in ASCE 7 V3-s , storm-moving speed Vs-m |
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td [sec] |
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V3-s [m/s, mph] |
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Vs-m [m/s, mph] |
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| Exposure Category (A,B,C,D based on ASCE 7) & Select checkbox if building is located in Alaska |
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A B C D |
Alaska |
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| Category selection for Importance factor I (I, II, III, IV in Table 1-1 of ASCE 7) : Default is II (I = 1.0) |
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I II (Default) III IV |
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Criteria for profile comparison in gust-front and boundary-layer winds; VG-F(z) (Vicroy 1991)
Third option is user-defined inputs of Vmax [m/s, mph] and zmax [m, ft], e.g., 67,67 or 67 67 |
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VG-F(10) = VB-L,3-s(10) Vmax,G-F = VB-L,3-s(zG) |
Vmax, zmax |
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User Interface of Gust-front factor approach