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In this article, you will learn how to model and design cable structures in RFEM 6 or RSTAB 9.
This article describes and explains the influence of bending stiffness of cables on their internal forces. Furthermore, the text provides information on how this influence can be reduced.
To evaluate whether it is also necessary to consider the second-order analysis in a dynamic calculation, the sensitivity coefficient of interstory drift θ is provided in EN 1998‑1, Sections 2.2.2 and 4.4.2.2. It can be calculated and analyzed using RFEM 6 and RSTAB 9.
For the ultimate limit state design, EN 1998‑1, Sections 2.2.2 and 4.4.2.2 require a calculation considering the second‑order theory (P‑Δ effect). This effect may be neglected only if the interstory drift sensitivity coefficient θ is less than 0.1.
The material library of RFEM and RSTAB includes the timber materials according to the American standard ANSI/AWC NDS‑2024.
In addition to JavaScript, the Python high-level functions are also available in the console. Using the Python option, the console also provides you with the Python HLF functions known from the WebService function catalog for further use in the object properties dialog box for in-app scripting.
The "Bracing in Cells" function allows you to generate diagonal bracing with just a few clicks. You can find this feature under Tools → Generate Model – Members → Bracing in Cells.
In RFEM and RSTAB, you can visualize the flow field quantities of pressure, velocity, turbulence kinetic energy, and turbulence dissipation rate for the wind simulation.
The clipping planes are aligned with the respective wind direction.
I would like to calculate my structure according to the second-order analysis and for this, I have created several load cases, including imperfection load cases. Do I have to combine the load cases in load combinations or result combinations?
How is it possible to consider snow and wind loads with short-time actions according to NBN EN 1990?
How can I open the links to the sources of Mia's answers in RFEM 6, RSTAB 9, and RSECTION 1?
How can I deactivate the automatic self-weight for a particular member in my model?
How can I activate an add-on in RFEM 6?
How do I find a member with a certain number in RFEM 6 / RSTAB 9?
