Dear Members,

I am new to PV-Elite software usage. I am in need to calculate the natural frequency of Horizontal vessel in both empty and operating conditions. How to check it. Please help me.
(I already know that the program assign 33Hz frequency for such case, but i need more accurate calculations).
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Hi Members,

Apart from the Sillyman query, i like to add my query. My actual requirement is to check the natural frequency of the horizontal vessel, to arrive it we use the seismic load condition. My query is, what boundary condition of the vessel (such as Fixed-sliding, or fixed-fixed, or sliding-sliding or free in all DOF) does the PV-elite is applying to calculate the natural frequency of Horizontal vessel.

Please clarify it...