FAQ 004947 EN-US
Keywords
Dynamic analysis Performance Load case Mode shape Response spectrum
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Determination of equivalent loads in RFEM and RSTAB
With RF-/DYNAM Pro Equivalent Loads, it is possible to perform an equivalent load calculation using the multimodal response spectrum method. In the example shown here, this was done for a multi‑mass oscillator.
Considering the Stiffness of Gas Solids in Nonlinear Time History Analysis
The stiffness of gas given by the ideal gas law pV = nRT can be considered in the nonlinear dynamic analysis.
The calculation of gas is available for accelerograms and time diagrams for both the explicit analysis and the nonlinear implicit Newmark analysis. To determine the gas behaviour correctly, at least two FE layers for gas solids should be defined.
- How can I enter or read out a response spectrum via the COM interface in DYNAM Pro?
- Is it possible to also create a user-defined response spectrum in RF‑/DYNAM Pro?
- RF-/DYNAM Pro - Equivalent Loads includes the result tables "5.8/5.9/5.10 - Equivalent Loads." Which sum is displayed in the case of the "All mode shapes" option?
- What is the approach for seismic design in RFEM/RSTAB?
- In RF‑/DYNAM Pro, the "From self-weight of structure" option is available in a mass case. Is it always necessary to activate this option in order to consider the dead load of the structure?
- What method is applied in the RF‑/DYNAM Pro - Equivalent Loads add-on module?
- How can I display the results of the RF‑/DYNAM Pro add-on module in the printout report?
- There are two different add-on modules for a response spectrum analysis in RF‑/DYNAM Pro. What can be the reasons for the different results of both add-on modules?
- What is the meaning of the superposition according to the CQC rule in a dynamic analysis??
- What is the meaning of the superposition according to the SRSS rule in a dynamic analysis?
Associated 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
Main Program
The structural engineering software for design of frame, beam and truss structures, performing linear and nonlinear calculations of internal forces, deformations, and support reactions
2,550.00 USD
Add-on Module
Seismic and static load analysis using the multi-modal response spectrum analysis
580.00 USD
Add-on Module
Seismic and static load analysis using the multi-modal response spectrum analysis
760.00 USD
