The structural analysis software RFEM 6 is the basis of a modular software system. The main program RFEM 6 is used to define structures, materials, and loads of planar and spatial structural systems consisting of plates, walls, shells, and members. The program also allows you to create combined structures as well as to model solid and contact elements.
RSTAB 9 is a powerful analysis and design software for 3D beam, frame, or truss structure calculations, reflecting the current state of the art and helping structural engineers meet requirements in modern civil engineering.
Do you often spend too long calculating cross-sections? Dlubal Software and the RSECTION stand-alone program facilitate your work by determining section properties of various cross-sections and performing a subsequent stress analysis.
Do you always know where the wind is blowing from? From the direction of innovation, of course! With RWIND 2, you have a program at your side that uses a digital wind tunnel for the numerical simulation of wind flows. The program simulates these flows around any building geometry and determines the wind loads on the surfaces.
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SHAPE‑THIN is (as the program name suggests) a program for designing thin-walled cross-sections. Cross-section properties are determined according to the theory of thin-walled sections. Strictly speaking, this theory only applies if the width-to-length ratio is below approximately 1/10.
SHAPE‑THIN determines the torsional constant according to the expression shown in Image 01. The element thickness t* is included with the third power, explaining the differences for swapped thicknesses.
These It,St.Ven. results obtained with a very great element thickness are therefore useless and should also be evaluated accordingly after the transfer to RFEM/RSTAB.
Thus, you should confirm the query appearing before SHAPE‑THIN shows an incorrectly modeled element (see Image 02).