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This page is devoted to frequently asked questions (FAQ) related to composite Composite behavior. |
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Frequently asked questions which concern the composite behavior of systems modeled and analyzed using CSI Software are summarized in this article. Answers to those questions are also provided. Topics include partially-composite and non-composite behavior, design-force application, and display settings. Also covered are composite-section boundary conditions, connection details, and their effect on composite response. |
Modeling
How do I model an object with different tensile and compressive stiffness relationships?
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NOTE: Because a nonlinear material relationship is assigned, nonlinear analysis must be run to capture the effect of different tensile and compressive stiffness relationships. |
See Also:
CSI Analysis Reference Manual (Chapters 14 and 15)
- – CSI Watch & Learn video
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- Stiffness of the girder about its own center of gravity.
- Stiffness of the deck about its own center of gravity.
- Additional girder and deck stiffness contributions about the center of gravity of the entire section.
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- Create a sequence of section cuts, as described on the Section cut FAQ page, to obtain design forces. Done manually, this process may require significant effort. A more practical approach may be to automate the process using the Application Programming Interface (API). Please note that discretization should be refined as necessary to adequately define the section cuts.
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