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This page is devoted to frequently asked questions (FAQ) related to auto lateral loads. |
Modeling and application
How do I assign wind auto-lateral-load conditions?
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- Define the wind auto lateral load.
- Assign wind-pressure coefficients using the Assign > Area Loads > Wind Pressure Coefficients option.
Is it possible to apply wind load to
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a specific frame object only?
ANSWER: Yes, wind load may be applied to specific frame objects through the process which follows:
- Define a load pattern, designate the type as Wind, and specify the load as an auto-lateral-load pattern, such as with ASCE 7-05.
- Select Modify Lateral Load Pattern > Exposure from Frame and Area Objects > Include Frame Objects, and define wind-direction angle, along with other parameters.
- Designate the specific frame objects for wind auto-lateral-load application through Assign > Frame Loads > Open Structure Wind Parameters.
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Extended Question: For modeling a Floating Production Storage and Offloading (FPSO) unit as a 3D frame system, how would I apply wind load per BS standard? The Wave Wind form is limited to API standard, and I'm concerned that diaphragm definition would affect analysis.
ANSWER: Two options are available, described as follows:
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ANSWER: Yes, auto lateral load may be displayed in a tabular format. The seismic auto-lateral-load pattern applied to structural joints, for example, may be reviewed in tabular format under Model Definition > Load Pattern Definitions > Auto Seismic Loads > Table: Auto Seismic Loads to Joints.
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