[1] SUN X H,MA H,MING H,et al.The measurement of refractive index profile and aberration of radial gradient index lens by using imaging method[J].Optics and Laser Technology,2004,36 (2):163-166.

[3] MARCHAND E W.Gradient Index Optics[M].New York:Academic,1978.

[4] LIU F,JI S H,LIAO G J.An adaptive grid method and its application to steady Euler flow calculations[J].SIAM Journal on Scientffic Computing,1998,20 (3):811-825.

[5] WITH G DE,HOLDO A E.The use of solution adaptive grid for modeling small scale turbulent structures[J].Journal of Fluids Engineering,2005,127 (5):936-944.

[6] OLSEN N R B,KJELLESVIG H M.Three-dimensional numerical flow modeling for estimation of maximum local scour depth[J].Journal of Hydraulic Research,1998,36 (4):579-589.

[7] LI You-fa.Numerical Computation Method[M].Beijing:Higher Education Press,1994.

[9] LIU Chun-sheng.Recent researches on the optical transmission distortions throughout the average flow field[J].Systems Engineering and Electronics,2003,25(8):941.