Experimental research on hydroelastic behaviour of a tank model subdivided into liquid-filled compartments

• Autorzy: Trębacki K.
• Języki publikacji: EN

Abstrakty

EN

The research was performed with the use of plexiglass models subdivided into 12 separate compartments. The compartments can be filled with a liquid. The model was excited to vibrations within a given frequency band by means of an exciter and accelerations were measured in selected points of the model. During measurement series oscillograms were obtained for various filling states at continuously changing range of measured frequencies. The oscillograms obtained for free vibrations measured on liquid-filled tank models were then processed. Results of the model tests were compared with those theoretically calculated for simple cases of tank-liquid system. The simple cases were used to test correctness of the elaborated computational program for determining hydrodynamic loads applied to tank walls. The application program for determining hydrodynamic internal loads was elaborated. Also, the influence of liquid filling state on values of loading, accelerations and wall deformations was demonstrated.

Słowa kluczowe

EN

vibrations; hydroelasticity; modelling; ship tanks for liquid

• Wydawca: Gdańsk University of Technology, Faculty of Ocean Engineering & Ship Technology
• Czasopismo: Polish Maritime Research
• Rocznik: 2008
• Tom: nr 4
• Strony: 17--20
• Opis fizyczny: Bibliogr. 7 poz., rys.

Twórcy

autor

Trębacki K.

• Faculty of Ocean Engineering and Ship Technology Gdansk University of Technology Narutowicza 11/12 80-952 Gdansk, POLAND,

Bibliografia

• 1. Bathe K.J.: Finite Element Procedure in Engineering Analysis. Prentice Hall, New Jersey, 1982
• 2. Roliński Y.: Resistance extensometry (in Polish).WNT (Scientific Technical Publishing House), Warsaw 1981
• 3. Styburski W.: Extensometric transducers (in Polish). WNT (Scientific Technical Publishing House), Warsaw 1971
• 4. Trębacki K.: Hydrodynamic loads on ship and offshore structures filled with liquid (in Polish), Part I and II, Research reports No. 52/99 and 53/99, Faculty of Ocean Engineering and Ship Technology, Gdańsk University of Technology, Gdańsk 1999
• 5. Trębacki K.: Free vibrations of a deformable tank filled with liquid (in Polish). Technika Morska (Marine Technology), Vol. I, p. 173-192, Polish Academy of Sciences, Gdańsk 1989
• 6. Trębacki K.: Selected problems of hydroelastic behaviour of tanks filled with liquid (in Polish). Research report No.14/02/ BW, Faculty of Ocean Engineering and Ship Technology, Gdańsk University of Technology, Gdańsk 2002
• 7. Zienkiewicz O.C., Bettes P.: Fluid-structure dynamic interaction and wave forces. An introduction to numerical treatment. Int. J. for Num. Meth. in Eng., 13, 1, 1-76, 1978.