Research papers

Ph. D. Thesis : Numerical Methods for Supersonic Astrophysical Jets with Radiative cooling, Arizona State University,2003

(Thesis advisor : Carl L. Gardner)

1. Youngsoo Ha, Carl. L. Gardner, Anne Gelb & C.W. Shu : Numerical Simulation of High Mach Number Astrophysical Jets with Radiative Cooling, Journal of Scientific Computing, Vol.24, No. 1, (2005) 29-44 pdf

2. Carl L. Gardner, Youngsoo Ha, J.Jeff hester, John E. Krist, Chi-Wang Shu, karl R. Stapefeldt : Numerical Simulation of High Mach Number Astrophysical Jets: in Analysis Modeling Computation of Hyperbolic PDE and Multiphase Flow, pp1-11. Stony Brook: SUNY 2005 pdf

3. Youngsoo Ha and Yong Jung Kim : Explicit solutions of convection-reaction equation and defects of numerical schemes, J. Comput. Phys. 220 (2006) 511-531

4. Chang-Ock Lee, Kiwan Jeon, Youngsoo Ha, Jooyoung Hahn : A Variation Approach to Blending Based on Warping for Non-overlapped Images, Computer Vision and Image Understanding 105, 112-120, 2007

5. Youngsoo Ha : Comparison between the positive schemes and WENO for High Mach jets in 1 D . Commun. Korean Math. Soc.22 (2007), No.4, pp 1-10

Youngsoo Ha and Carl L. Gardner : Positive Scheme Numerical Simulation of High Mach Number Astrophysical Jets, Journal of Scientific Computing, Vol.34, pp 247-259, July 2005 (IF: 1.281)

6. Youngsoo Ha, Yong Jung Kim, and Tim Myers : On the numerical solution of a driven thin film equation J. Comput. Phys. 227 (2008) 7246-7263

7. H.S.Jung and Y.S.Ha : Spectral Methods and Hermite interpolation on Arbitrary Grids.(submitted)

8. Yong-Jung Kim and Youngsoo Ha : Fundamental solutions of conservation laws (submitted)