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I am attempting to find the natural frequency of my staircase model as shown below using the total weight of the structure distributed evenly over every node as a nodal mass in the Ty direction. My issue is, I am able to get a frequency running the dynamic…

Q1: Is there any way to determine natural frequency of Retaining wall soil numerical model from PLAXIS? Q2: How can we see the exact element mesh size in PLAXIS? Q3: I am using Mohr-Coulomb soil model and want to introduce constant Rayleigh damping…

I have a stair that I'm concerned may be susceptible to vibrational issues. I've often used RAM Elements to model a variety of stair configurations under gravity loads and ELF seismic loading, but can it also be used to check for vibration? Most of the…

Hi, I really need you help on this problem. We have a paddle mixer with Frequency at 1800rpm. We have extended the existing structure to accomodate the paddle mixer. Now we run a frequency check and compared it with the limits of 80%-120% of the…

I referred example 28 of American examples to calculate frequency. I gave cut off mode shape 100. In the output, I found that the frequency increases with each mode. I am confused which mode should be considered for obtaining natural frequency? I need…

I had this doubt from a long time and i thought MOSES users in bentley community can help me with the answer. 1) For a HLPV, what is the tentative natural time periods for Heave, Roll & Pitch ? 2) Which type is the one calculated by MOSES in mooring…