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Failure Pressure Prediction of Composite T-Joint for Hydrodynamic Ram Test
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  • Journal title : Composites Research
  • Volume 29, Issue 2,  2016, pp.53-59
  • Publisher : The Korean Society for Composite Materials
  • DOI : 10.7234/composres.2016.29.2.053
 Title & Authors
Failure Pressure Prediction of Composite T-Joint for Hydrodynamic Ram Test
Kim, Dong-Geon; Go, Eun-Su; Kim, In-Gul; Woo, Kyung-Sik; Kim, Jong-Heon;
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Aircraft wing structure is used as a fuel tank containing the fluid. Fuel tank and joint parts are consists of composite structure. Hydrodynamic Ram(HRAM) effect occurs when the high speed object pass through the aircraft wing or explosion and the high pressure are generated in the fuel tank by HRAM effect. High pressure can cause failure of the fuel tank and the joint parts as well as the aircraft wing structure. To ensure the aircraft survivability design, we shall examine the behavior of the joint parts in HRAM effect. In this study, static tensile tests were conducted on four kind of the composite T-Joints. The failure behavior of the composite T-joint was examined by strain gauges and high speed camera. We examine the validity of the Finite Element Modeling by comparing the results of FEA and static tensile tests. The failure stresses and failure pressure of the composite T-Joint were calculated by FEA.
Hydrodynamic ram;Composite T-joint;Failure criteria;Static tensile test;Interlamina shear stress;
 Cited by
Gregory, J.C., "Joint Resistance to Ram", AIAA US Air Force T&E Days, 2005.

Kim, J.H. and Jun, S.S., "Battle Tanks by Hydrodynamic Ram Effect", Journal of KSAS, Vol. 34, No. 4, 2006, pp. 17-24.

Ronald, H. and William, B., AFL Technical Report, 2006.

Park, J.W., Kim, I.G., Go, E.S., Park, S.H., and Kim, J.H., "Design of Composite T-Joint for Hydrodynamic Ram Test", KSCM Conference, 2014, pp. 53-54.