In this paper, an experimental and theoretical study is carried out on the hydroelastic vibration for a rectangular bottom and side plate of tank. It is assumed that the tank wall is clamped along the plate edges. The fluid velocity potential is used for the simulation of fluid domain and to obtain the added mass due to plate vibration. It is assumed that the fluid is incompressible and inviscid. Assumed mode method is utilized to the plate model and hydrodynamic force is obtained by the proposed approach. The coupled natural frequencies are obtained from the relationship between kinetic energies of a wall including fluid and the potential energy of the wall. In order to verify the result, modal test was carried out for a small laboratory tank model and a pool tank in a ship. It was found theoretical results were in good agreement with test results.
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The Twenty-third International Offshore and Polar Engineering Conference
June 30–July 5, 2013
Anchorage, Alaska
Experimental Study on a Added Mass Effect for Vibration of Rectangular Tank
Kuk-Su Kim;
Kuk-Su Kim
Daewoo Shipbuilding & Marine Engineering Company, Limited
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Wook Rhee;
Wook Rhee
Daewoo Shipbuilding & Marine Engineering Company, Limited
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Dong-Hee Kwak;
Dong-Hee Kwak
Daewoo Shipbuilding & Marine Engineering Company, Limited
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Nho-Seong Kim
Nho-Seong Kim
Daewoo Shipbuilding & Marine Engineering Company, Limited
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Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, Anchorage, Alaska, June 2013.
Paper Number:
ISOPE-I-13-421
Published:
June 30 2013
Citation
Kim, Kuk-Su, Rhee, Wook, Kwak, Dong-Hee, and Nho-Seong Kim. "Experimental Study on a Added Mass Effect for Vibration of Rectangular Tank." Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, Anchorage, Alaska, June 2013.
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