We provide hints and tips to help you get started with the basic program RFEM.
Online Training | RFEM for Students | Part 1
Video
First Steps with RFEM
Description
This free online training for students about RFEM shows important features and modeling options by using practical examples.
This recording was created on Tue, Jun 9, 2020.
Content:
00:00:00 Greeting
00:04:15 Basic principles of FEA
00:12:15 Introduction to RFEM
00:32:15 Introduction example: continuous plate
01:33:15 Plate theory
01:50:45 Stability analysis: Euler Case 1
02:21:00 Clamped frame
02:30:30 Questions and discussion
Keywords
Dlubal Online Training Continuous plate Continuous beam FEA Instability Plate theory Online Training to Dlubal E-learning Dlubal crash course Dlubal Campus Dlubal Academy
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Videos
Models to Download
Knowledge Base Articles

Differences of Calculation Methods in Structural Analysis
For structural dimensioning according to the valid rules, there are often several options or calculation methods to determine the internal forces. It is up to the engineer to decide which theory is suitable to design the structure.
Screenshots
Product Features Articles
New
Increased Calculation Performance by Reducing the Nodal Degrees of Freedom
The number of degrees of freedom in a node is no longer a global calculation parameter in RFEM (6 degrees of freedom for each mesh node in 3D models, 7 degrees of freedom for the warping torsion analysis). Thus, each node is generally considered with a different number of degrees of freedom, which leads to a variable number of equations in the calculation.
This modification speeds up the calculation, especially for models where a significant reduction of the system could be achieved (e.g. trusses and membrane structures).
Frequently Asked Questions (FAQ)
- Which bending theory should be used for the calculation of plates and shells - Kirchhoff or Mindlin?
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In my model, I get different results than with a manual calculation and other software.
What could be the reason? - What is the critical load factor and how is it possible to determine it?
- I have calculated a pre-deformed structure according to the second-order analysis with RF-STABILITY and RF-IMP. Why are the deformations of the CO smaller than the applied pre-deformation?
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How can I perform a stability/buckling analysis on a load-bearing structure?
- Why do I get high differences when designing a longitudinally stiffened buckling panel compared to the German and Austrian National Annexes?
- How can I create a curved or curved section?
- How are the signs to be interpreted for the release results of the line release and line hinges?
- Is it possible to manually specify a longitudinal reinforcement for the design in RF-PUNCH Pro?
- After the design with RF-/TIMBER Pro, I had a cross-section optimized. Why is the utilization of the optimized cross -section now exceeded?
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