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Free online calculation tools for structural design according to Eurocodes
You can provide the following project data as page header.
Eurocode 1 Wind peak velocity pressure
Calculation of peak velocity pressure qp depending on the basic wind velocity and the terrain category at the location of the structure. The wind action on the structure (forces and pressures) can be derived from the peak velocity pressure.
EN 1991-1-4:2005+A1:2010 Section 4
Supported National Annexes:
In addition to countries that adopt the CEN recommended values for NDPs, the following National Annexes are also supported automatically: Finland, Portugal. The National Annexes of Norway, Spain, Sweden, Switzerland are NOT supported.