THE CALCULATION OF THE FLOWFIELD OF HELICOPTER ROTOR BASED ON MOVING GRID

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2000, Vol. 17 ›› Issue (4): 367-371.

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THE CALCULATION OF THE FLOWFIELD OF HELICOPTER ROTOR BASED ON MOVING GRID

WANG Li-qun¹, SONG Wen-ping², ZHANG Ru³

1. Tsinghua University, Mechanics Department, Beijing 100084, P R China;
2. Northwestern Polytechnical University, Aircraft Department, Xi′an 710072, P R China;
3. National Defence University, Beijing 100

Received:1999-06-15 Online:2000-07-25 Published:2000-07-25

Abstract

Abstract: The description of the moving grid-strategy is presented. Based on transfinite interpolation, an O-H type grid around one blade is generated. In each subdomain, the weighting funtion is given to account for the time-variation of its nodes. The multi-block grid modelling the whole rotor is achieved by the construction of grid-blocks around each blade which are connected with coincident nodes on their common boundaries, the flowfield of a rotor is calculated by considering the transport of interface information. The calculated results show that the moving grid possesses feasibility and effectiveness.

Key words: Euler equation, moving grids, rotor, forward flight

CLC Number:

WANG Li-qun, SONG Wen-ping, ZHANG Ru. THE CALCULATION OF THE FLOWFIELD OF HELICOPTER ROTOR BASED ON MOVING GRID[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2000, 17(4): 367-371.

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THE CALCULATION OF THE FLOWFIELD OF HELICOPTER ROTOR BASED ON MOVING GRID

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