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  1. Steels according to the Australian standard AS/NZS 4600:2005 in Material Library

    Material Library with Steels According to the Australian Standard AS/NZS 4600:2005

    The material database in RFEM, RSTAB and SHAPE-THIN contains steels according to the Australian standard AS/NZS 4600:2005.
  2. Display of pushover curve in the calculation diagrams in RF-DYNAM Pro

    Pushover Analysis

    In RFEM, it is possible to determine pushover curves (also called capacity curves) and export them to Excel.
  3. RF-/JOINTS Timber - Timber to Timber | Features

    • Design of hinged connections
    • Biaxial inclination of the connected member (for example a jack rafter joint)
    • Connection of any number of members on one node for the ‘Main member only’ type
    • Screw diameter of 6 mm – 12 mm
    • Automatic check of the minimum distance between screws
    • Optional free definition of screw distances
    • Transfer of eccentricity from RFEM/RSTAB
    • Crosswise or parallel screw alignment
    • Definition of up to 16 screws in a row
    • Graphical visualization of joints in the add-on module and in RFEM/RSTAB
    • Possibility to perform all required designs
  4. Window 1.1 General Data

    RF-/JOINTS Timber - Timber to Timber | Input

    First, it is necessary to select the joint type and the design standard.

    The connected members are imported from the RFEM/RSTAB model. The module automatically checks if all geometric conditions are fulfilled.

    Also the loads are imported automatically from RFEM/RSTAB. In the Geometry window, you can specify the screw parameters (diameter, length, angle, etc.).

  5. Parameters of National Annex

    RF-/JOINTS Timber - Timber to Timber | Design

    The following design results are displayed:

    • Check of the minimum spacing between screws
    • Load carrying capacity of each screw
  6. Results in Table

    RF-/JOINTS Timber - Timber to Timber | Results

    At first, the governing joint designs are arranged in groups and displayed with the basic geometry of the joint in the first result window. In the other result windows, you can see all fundamental design details.

    Dimensions and material properties important for the connection construction are displayed immediately and can be printed directly or exported to a DXF file. It is possible to visualize the connections in RF‑/JOINTS Timber - Timber to Timber or in the RFEM/RSTAB model.

    All graphics can be included in the RFEM/RSTAB printout report or printed directly. Result graphics to scale provide the option of an optimal visual check right from the design phase.

  7. RF-/DYNAM Pro - Nonlinear Time History | Features

    • User-defined time diagrams as a function of time, in a tabular form, or as harmonic loads
    • Combination of the time diagrams with RFEM/RSTAB load cases or combinations (enables definition of nodal, member and surface loads as well as free and generated loads varying over time)
    • Combination of several independent excitation functions
    • Nonlinear time history analysis with the implicit Newmark analysis (RFEM only) or the explicit analysis
    • Structural damping using Raleigh damping coefficients or Lehr's damping
    • Direct import of initial deformations from a load case or combination (RFEM only)
    • Stiffness modifications as initial conditions, for example axial force effect, deactivated members (RSTAB only)
    • Graphical display of results in a time course monitor
    • Export of results in user-defined time steps or as an envelope
  8. General input data

    RF-/DYNAM Pro - Nonlinear Time History | Input

    RF-/DYNAM Pro - Nonlinear Time History is integrated in the structure of RF‑/DYNAM Pro - Forced Vibrations and extended by two nonlinear analysis methods (one nonlinear analysis in RSTAB).

    Force-time diagrams can be entered as transient, periodic or as a function of time. Dynamic load cases combine the time diagrams with the static load cases, which provides a great flexibility. Furthermore, it is possible to define time steps for the calculation, structural damping, and export options in the dynamic load cases.

  9. Selecting the nonlinear analysis in RF-DYNAM Pro - Nonlinear Time History

    RF-/DYNAM Pro - Nonlinear Time History | Calculation

    Calculation in RFEM
    The nonlinear time history analysis is performed with the implicit Newmark analysis or the explicit analysis. Both are the direct time integration methods. The implicit analysis requires small time steps to provide precise results. The explicit analysis determines the required time step automatically to provide the stability to the solution. The explicit analysis is suitable for the analysis of short excitations, such as impulse excitation, or an explosion.

    Calculation in RSTAB
    The nonlinear time history analysis is performed with the explicit analysis. This is a direct time integration method and determines the required time step automatically in order to provide the solution stability.

  10. Time course monitor (temporary failure of tension member due to vibration stress)

    RF-/DYNAM Pro - Nonlinear Time History | Results

    Due to the integration of RF‑/DYNAM Pro in RFEM or RSTAB, you can incorporate numeric and graphic results from RF‑/DYNAM Pro - Nonlinear Time History to the global printout report. Also, all RFEM and RSTAB options are available for a graphical visualization. The results of the time history analysis are displayed in a time course monitor.

    All results are plotted versus time. You can export the numeric values to MS Excel. It is possible to export the result combinations by exporting the results of the individual time steps or filtering the most unfavourable results of all time steps.

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