Plate and Shell Modeling in RFEM - Part 1
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.
23 July 2019
Recorded Webinar
Date
Event Language
EnglishContent
- Introduction to RFEM and RF-LAMINATE add-on module
- Analysis of CLT structure
- Design of CLT structure per CSA O86:14
- Tips for optimal modeling
Time Schedule
| 00:00 | Introduction |
| 01:49 | Review of initial structure geometry and loading in RFEM |
| 08:45 | CLT input data in RF-LAMINATE |
| 29:18 | Application of "line releases" and "line hinges" |
| 42:05 | Analysis and design of CLT panels according to CSA O86:14 |
| 45:55 | Addressing FEA singularities with "FE mesh refinements" and "average regions" |
| 54:58 | Review of additional results including members and joints |
| 58:32 | 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
CSA CSA O86 CSA O86:14 Wood design Tmber design CLT Cross-laminated timber Cross laminated timber design Finite element Finite element analysis FEA
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Load Combinations in Timber Structures for European and American Timber Standards
In addition to determining loads, some particularities concerning the load combinatorics in timber design have to be considered.
- General stress analysis
- Graphical and numerical results of stresses and stress ratios fully integrated in RFEM
- Flexible design with different layer compositions
- High efficiency due to few entries required
- Flexibility due to detailed setting options for calculation basis and extent
- Based on the selected material model and the layers contained, a local overall stiffness matrix of the surface in RFEM is generated. The following material models are available:
- Orthotropic
- Isotropic
- User-defined
- Hybrid (for combinations of material models)
- Option to save frequently used layer structures in a database
- Determination of basic, shear and equivalent stresses
- In addition to the basic stresses, the required stresses according to DIN EN 1995-1-1 and the interaction of those stresses are available as results.
- Stress analysis for structural parts of almost any shape
- Equivalent stresses calculated according to different approaches:
- Shape modification hypothesis (von Mises)
- Maximum shear stress criterion (Tresca)
- Maximum principal stress criterion (Rankine)
- Principal strain criterion (Bach)
- Calculation of transversal shear stresses according to Mindlin, Kirchhoff, or user-defined specifications
- Serviceability limit state design by checking surface displacements
- User-defined specifications of limit deflections
- Possibility to consider layer coupling
- Detailed results of individual stress components and ratios in tables and graphics
- Results of stresses for each layer in the model
- Parts list of designed surfaces
- Possible coupling of layers entirely without shear
- Can I use RFEM to calculate a log house three-dimensionally?
- How do I display some results of all load cases in the printout report, but other results of the selected load cases only?
- I would like to carry out the flexural buckling design for timber components with imperfections and internal forces according to the second-order analysis. Is it sufficient to activate this in Details of the RF‑/TIMBER Pro add-on module or is it necessary to make additional settings?
- Can I design laminated veneer lumber with RFEM/RSTAB?
- How can I calculate a timber-concrete composite floor with cross-laminated timber?
- Is it possible to save the structures of the manufacturer-specific cross-laminated timber plates in the RF‑LAMINATE add-on module?
- How is it possible to display the main support direction graphically in RF‑LAMINATE?
- Is it possible to create a second design case in RF‑LAMINATE?
- I have a model of a timber building, which I have transferred from Scia Engineer and adapted it into the RFEM program. The models should be the same; however, it can only be calculated in Scia Engineer while RFEM reports singularity. How do I edit the model to analyze it in RFEM?
- How can I model a timber-concrete composite floor?
Recommended Products
Main Program
Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements
3,540.00 USD
Add-on Module
Deflection analysis and stress design of laminate and sandwich surfaces
1,120.00 USD
