Tall Building Crosswind Vortex Calculator

Structural Wind Engineering: Determine vortex shedding frequency ($f_s$), critical lock-in velocity ($V_{cr}$), Scruton number ($Sc$), and crosswind dynamic amplitude.

Structure & Dynamic Properties

Building Width $B$ (m):

Building Height $H$ (m):

1st Sway Natural Freq $f_n$ (Hz):

Structural Damping Ratio $\zeta$:

Equivalent Unit Mass $m_e$ (kg/m):

Strouhal Number $St$:

Design 10-min Mean Wind Speed at Top $V_H$ (m/s):

Vortex Resonance & Dynamic Response

Critical Wind Speed

-- m/s

Scruton Number ($Sc$)

Vortex Shedding $f_s$

-- Hz

Resonance Status

Aeroelastic Analysis

• Reduced Velocity ($V_r = V / (f_n B)$): --

• Logarithmic Decrement ($\delta = 2\pi \zeta$): --

• Aspect Ratio ($H / B$): --

• Peak Crosswind Tip Amplitude ($y_{max}$): -- mm

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Tall Building Crosswind Vortex Calculator

Structure & Dynamic Properties

Vortex Resonance & Dynamic Response

Aeroelastic Analysis

Frequently Asked Questions