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서지반출
A Numerical Simulation for Contractive and Dilative Periodic Motion on Axisymmetric Body
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  • A Numerical Simulation for Contractive and Dilative Periodic Motion on Axisymmetric Body
  • A Numerical Simulation for Contractive and Dilative Periodic Motion on Axisymmetric Body
저자명
Kim. Moon-Chan
간행물명
Journal of ship and ocean technology
권/호정보
1999년|3권 1호|pp.1-11 (11 pages)
발행정보
대한조선학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

Numerical simulation for the axisymmetric body with contractive and dilative periodic motion is carried out. The present analysis shows that a propulsive force can be obtained in highly viscous fluid by the contractive and dilative motion of axisymmetric body. An axisymmetric code is developed with unstructured grid system for the simulation of complicated motion and geometry. It is validated by comparing with the results of Stokes approximation with the problem of uniform flow past a sphere in low Reynolds number($R_n$ = 1). The validated code is applied to the simulation of contractive and dilative periodic motion of body whose results are quantitatively compared with the two dimensional case. The simulation is extended to the analysis of waving surface with projecting part for finding out the difference of hydrodynamics performance according to variation of waving surface configuration. The present study will be the basic research for the development of the propulsor of an axisymmetric micro-hydro-machine.