Specify distributed added mass in a FREQUENCY step.
This option is used to include the “added mass” contributions due to distributed fluid inertia loads in a FREQUENCY step.
ProductsAbaqus/Aqua
TypeHistory data
LevelStep
Element number or element set label.
Distributed load type label FI.
Effective outer diameter of the member.
Transverse added-mass coefficient, CA.
Repeat this data line as often as necessary to define distributed fluid added mass at various elements or element sets.
Distributed load type label FI1 or FI2.
Added mass coefficient, Lts.
Structural acceleration shape factor, F2s.
Repeat this data line as often as necessary to define concentrated fluid added mass at various elements or element sets.