This article was translated by Google Translator

View original text

How can I perform a buckling analysis for a surface in RFEM?

Answer

If you want to perform a buckling analysis with shell elements, the add-on modules RF‑STABILITY, RF‑IMP, and RF‑STEEL Surfaces are required.

Determining governing load according to the linear static analysis
The results of the governing CO are then used in RF‑STABILITY to determine the lowest mode shape (local deflection / buckling of surface).
With the result of RF‑STABILITY, you can generate a pre‑deformed structure in RF‑IMP by scaling the mode shape to a maximum ordinate (maximum value of the initial deformation). An engineer has to define the maximum value of the initial deformation.
Now, you can copy the governing CO and design this according to the second-order analysis while considering the pre-deformed structure of RF‑IMP.
The results are then used to perform the stress analysis in RF‑STEEL Surfaces.

The attached video shows the general procedure again.

There are already some very interesting technical articles on this topic on our website.

# model @ 000750 #

Keywords

Buckling Shell buckling Surface buckling analysis

Downloads

Links

Write a Comment...

  • Views 258x
  • Updated 29 October 2020

Contact us

Did you find your question?
If not, contact us via our free e-mail, chat, or forum support, or send us your question via the online form.

+49 9673 9203 0

info@dlubal.com

RFEM for Students

Online Training 10 November 2020 10:00 AM - 1:00 PM EDT

Online Training | English

RFEM | Timber Basics

Online Training 18 November 2020 1:00 PM - 4:00 PM EDT

Online Training | English

RFEM for Students | Part 3

Online Training 30 November 2020 9:00 AM - 12:00 PM CET

Stability Design in Steel Construction with RFEM and RSTAB

Stability Design in Steel Construction with RFEM and RSTAB

Webinar 1 December 2020 2:00 PM - 2:45 PM CET

Online Training | English

RFEM | Steel Basics

Online Training 8 December 2020 9:00 AM - 12:00 PM EDT

Online Training | English

RFEM for Students | Part 3

Online Training 11 December 2020 3:00 PM - 6:00 PM CET

How to Be More Productive Using RFEM

How to Be More Productive Using RFEM

Webinar 7 July 2020 3:00 PM - 4:00 PM CEST

Introduction to Solid Modeling \n in RFEM

Introduction to Solid Modeling in RFEM

Webinar 30 June 2020 2:00 PM - 3:00 PM EDT

Modeling with Solids in RFEM

Modeling with Solids in RFEM

Webinar 9 June 2020 3:00 PM - 3:45 PM CEST

Tensile Membrane Structures and \n CFD Wind Load Simulation

Tensile Membrane Structures and CFD Wind Load Simulation

Webinar 8 April 2020 2:00 PM - 3:00 PM EDT

Membrane Structures with Wind Loads From CFD Wind Simulation

Webinar 24 March 2020 3:00 PM - 4:15 PM CET

RFEM Other
RF-STABILITY 5.xx

Add-on Module

Stability analysis according to the eigenvalue method

Price of First License
1,030.00 USD
RFEM Other
RF-IMP 5.xx

Add-on Module

Generation of equivalent geometric imperfections and pre-deformed initial structures for nonlinear calculations

Price of First License
760.00 USD
RFEM Steel and Aluminium Structures
RF-STEEL 5.xx

Add-on Module

Stress analysis of steel surfaces and members

Price of First License
1,030.00 USD