Hello,
As part of a university project, I need to perform a modal analysis or determine the natural frequency of a pedestrian bridge. I proceeded as follows in RFEM 6: first, I created individual load cases for my masses, i.e., one load case for the self-weight of the structure, one for the self-weight of the roadway slab, and one for the self-weight of the railing. Then I created a load combination with a factor of 1.0 (GZG) to consider the loads in a load combination. After that, I created another load case named "Natural Frequency Analysis" and activated the corresponding add-on for modal analysis, as well as selected the above-mentioned load case in the tab "Take masses only from load case/load combination."
Since this is my first time using the program, I am now a bit uncertain whether the loads have indeed been considered as masses or if there are still further settings to be made. I know that in RFEM 5 there was a clickable field where you could define loads as masses, but unfortunately, I cannot find a similar field at all in RFEM 6.
I have attached a few screenshots. Hopefully, this will make it more understandable.
I hope someone can help me with this.
Best regards.
