I would like to inquire about the current and future development plans related to nonlinear seismic analysis for reinforced concrete structures in RFEM, specifically:
Nonlinear Static Pushover Analysis
Nonlinear Time-History (Time-Step) Analysis
Performance-Based Seismic Design capabilities (plastic hinges, acceptance criteria, structural performance levels according to ASCE 41 / Eurocode 8, etc.)
I am aware that RFEM 6 currently provides modules such as Pushover Analysis and Time History Analysis.
However, my main question is:
Are you planning to expand these features in the upcoming releases to fully support advanced nonlinear behavior of concrete structures (material nonlinearity, hinge libraries, degrading stiffness models, shear hinges, confinement models, etc.) at a level comparable to performance-based design standards?
If possible, I would appreciate any details regarding:
Whether these advanced nonlinear seismic features are close to release,
Or if they are expected to require a longer development timeline.
This information is important for planning upcoming projects that involve performance-based seismic design of RC buildings.
Thank you for your time and support.
I look forward to your response.
Our next development steps will lead in the direction of the Capacity Spectrum Method and the inclusion of Accidental Torsion.
There are several hinges and behaviours stated in standards already. We do plan to tackle them step by step. The customer request quantity for specific hinges and functionalities will play a key rule within the future Performance Based Design Development. Therefore, it is always recommended to document wanted Features within our Feature Requests:
Right now, we cannot give estimates on the developments on the nonlinear behaviour in combination with the NLTHA. We will investigate and test further.
In conclusion:
Yes, we do plan to improve every point you mentioned. However, it is quite some advances and they’re arrival cannot be estimated yet.