Again you're absolutely correct, that was very foolish of me to assume otherwise, thank you for pointing it out !
I am doing a more realistic simulation now and will upload the results soon.
Thank you for your input and you're absolutely right!
I will do that, but also I always try to have a theoretical verification for my simulation to make sure that my simulation inputs are sound and enough (not a simulation expert). And I am also interested in knowing how to do it that way ;)
Hello Dr. D,
Thank you for considering my problem while being inaccurate (mode shapes) and missing much information.
No, this is not a seismic excitation, it's a lab testing vibration for military standard products (810F). But due to the randomness of the excitation force I think it can be...
Hello berkeman,
Thanks for the welcome.
Please find the following model and other information for the problem above:
Mode shapes (pics02-07 are the modes 1-6 respectively):
Mass : 19 KG , identical springs with coefficient: 12 kN/m tension/compression (48 kN/m for the 4 springs) and 3.9...