1. Research Fellow, Inst. of Hydrodynamics and Hydr. Engrg., Technical Univ. of Denmark, Lyngby, Denmark
2. Assoc. Prof., Inst. of Hydrodynamics and Hydr. Engrg., Technical Univ. of Denmark, Lyngby, Denmark
3. Research Engr., Danish Hydr. Inst., Computational Hydr. Centre, Danish Academy of Tech. Sci., Copenhagen, Denmark