ACT Windload Documentation R150 v1
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Transcript of ACT Windload Documentation R150 v1
© 2011 ANSYS, Inc. April 15, 2014 1
15.0 Release
ANSYS Customization Toolkit
Windloading Extension_v1
© 2011 ANSYS, Inc. April 15, 2014 2
Introduction to Windloading
Windloading
• Fd = Wind Loading Force
• Rho = Air density
• V = Wind speed
• A = Surface area
• Cd = Drage Coeffiecient (not use)
© 2011 ANSYS, Inc. April 15, 2014 3
Description of the Windloading Ext.
What should the Capabilities of the extension be:
• a pressure should be calculated based on wind velocity;
• the pressure should be assigned in a direction;
• only positive pressures should be added;
• pressure should also be reduced based on the orientation of the element and the loading direction;
• 2 loading type: constant or gradient loading across the height of the construction;
• a shape factor can be assigned for different types of profiles (code check)
© 2011 ANSYS, Inc. April 15, 2014 4
Description of the ACT Windloading Ext.
Setup of the Extension in ACT:
• Loading
© 2011 ANSYS, Inc. April 15, 2014 5
Description of the Windloading Ext.
Setup of the Extension in ACT:
• Loading
© 2011 ANSYS, Inc. April 15, 2014 6
Description of the Windloading Ext.
Setup of the Extension in ACT:
• Loading
Takes the section shape into account
lineare interpolation to the Environment Temperature
Factor = 3 Factor = 1
© 2011 ANSYS, Inc. April 15, 2014 7
Description of the Windloading Ext.
Setup of the Extension in ACT:
• Result
PostProcess the pressure due to the windspeed