Plate and Shell Modeling in RFEM - Part 2
Free Online Seminar
Everything I Expected and More
"RFEM is everything I expected and more. I’m having a blast learning the software and the webinars are fantastic."
Nicholas J. Greven P.Eng.
07/23/2019
Recorded Webinar
Date
Event Language
EnglishContent
- Part 2 of a two-part RFEM webinar series
- Detailed review of model analysis results
- Address surface singularities
- General steel surface stress design
- Consideration of plate buckling behavior
Time Schedule
| 00:00 | Introduction |
| 02:32 | Review of tank structure in RFEM from Part 1 |
| 03:51 | Detailed review of analysis results |
| 22:30 | Surface stress design in RF-STEEL |
| 30:08 | Addressing singularities |
| 44:05 | Linear buckling analysis in RF-STABILITY |
| 52:30 | Imperfection modeling with RF-IMP |
| 56:57 | Nonlinear buckling analysis with RF-STABILITY |
| 01:04:25 | Conclusion |
Speaker
Amy Heilig, PE
CEO - USA Office
Sales & Technical Support Engineer
Amy Heilig is the CEO of the USA office located in Philadelphia, PA. In addition, she provides sales and technical support and continues to aid in the development of Dlubal Software programs for the North American market.
Keywords
Plate Shell Wall Surface FEA Finite element Finite element analysis Industrial Tank Singularity Result Analysis Design Buckling Critical load factor Stress
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Placing Node Between Two Points
Up until now, if you wanted to determine the centroid of a rectangle, it was necessary to define a line from one corner point to the diagonally opposite one. You obtained the centroid by dividing this line. In RFEM 5 and RSTAB 8, you now have the possibility to create a node between two points. Thus, it is sufficient to select the corner points; then you can determine the distance in absolute or relative values.
New
Compared to the RF-/STEEL add-on module (RFEM 5 / RSTAB 8), the following new features have been added to the Stress-Strain Analysis add-on for RFEM 6 / RSTAB 9:
- Treatment of members, surfaces, solids, welds (line welded joints between two and three surfaces with subsequent stress design)
- Output of stresses, stress ratios, stress ranges, and strains
- Limit stress depending on the assigned material or a user-defined input
- Individual specification of the results to be calculated through freely assignable setting types
- Non-modal result details with prepared formula display and additional result display on the cross-section level of members
- Output of the design check formulas used
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How can I perform a stability/buckling analysis on a load-bearing structure?
- My aim is to mesh a circular hole plate in a mapped way. Is such a meshing possible in RFEM?
- How can I additionally model welds for the connection of two surfaces with a contact solid?
- In connection with the calculation according to the large deformation analysis, I get significantly smaller deformations than for the calculation according to the linear static or second-order analysis. How is this possible?
- How can I deduce the axial stress and hoop stress of a circular container?
- How is it possible to consider the real cross-section geometry of member elements in RWIND Simulation?
- Is it possible to use RFEM for modeling a channel that is distorted from a rectangular cross-section to a pipe cross-section?
- Is it possible to analyze the effects of an hermetically sealed object with RFEM?
- My model should be symmetrical, but the support reactions reflect an unsymmetrical loading or modeling. What can I do?
- I use rotated surfaces in my model. Now it takes a long time to open and edit the file. What can I do about it?
