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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › AQWA: Pitch added mass is shown as Kg m^2/ degree › Reply To: AQWA: Pitch added mass is shown as Kg m^2/ degree

October 14, 2024 at 8:47 am
Shuangxing Du
Ansys Employee

Please use Hydrodynamic Response - Stability Analysis, the natural frequencies will be estimated

As the added mass is frequency dependent, the natural frequency (period) of pitch may not be exactly at the point where the biggest value of pitch added mass is. When the natural frequency is estimated, the unit of pitch added mass of [kg*m^2/radian] is used.