Function
- Input the wind load to a frame structures of arbitrary shape
- If selecting the line elements constituting the closed area and input the wind load. Wind load is applied as nodal load
Call
From the Main Menu select [Load] tap > [Type : Static Load] > [Lateral] group > [Wind Pressure] > [Area Wind Pressure]
Input
Area Wind Pressure
Load Case Name
Select the Load case.
To enter, modify or delete additional load conditions, use the ... button.
Direction
Select the direction of wind load action.
- X-Y : The load is applied in the horizontal direction of the structure (parallel to the XY plane of the global coordinate system).
- Normal : The load is applied perpendicular to the ground.
Angle
Enter the wind load input angle about the global coordinate system X-axis.
Inner Pt.
It is activated when Nomal is selected in Direction field.
Selects the internal node of the structure.
When Inner Pt. is recognized as the inside of the structure and the load is inputted to the designated area, the load is applied from the outside to the inside of the structure.
Scale factor
Enter the increase/ decrease coefficient of wind load.
Wind Load Code
Select the standard for a calculation of wind pressure
- ASCE7 (2022)
- ASCE7 (2016)
- KDS(41-12:2022)
- KDS(41-10-15:2019)
- KBC (2016)
- KBC (2009)
- China (GB50009-2012)
- China (GB50009-2001)
Velocity Pressure Name
Select the function for a velocity pressure function.
To add, modify or delete a velocity pressures, use the ... button.
Gust Factor
Input a external and internal gust factor
To calculate the gust factor automatically, use the ... button.
Coefficient
Auto.Calculate Coefficients : Check on it to calculate the coefficients automatically and Select the structure type.
To calculate the external and internal Cf automatically, use the ... button.
Selection
Select the area where wind pressure will be applied.
The selected area is calculated as the distributed wind load and the load will be applied on the nodes composing the area.
- Group : Enter the load on the Area plane set in Loading Area Plane.
(If the selected area is twisted more than 3 degrees, the load can not be loaded. .)
- Element : Enter the load in the closed area created by the selected line element of the structure.
Loading Area Group Name
Select the Area Group which is defined from Structure> Group> Define Loading Area Group.
Element Defining Loading Area
Activated when the element is selected in the Selection field.
Select the line element composing the closed area.
Wind Pressure Profile...
Show the wind pressure by the height from in the format of a table and graph.