1. Associate Researcher, National Center for High-Performance Computing, No. 7 R&D 6th Rd., Science-Based Industrial Park, Hsinchu, Taiwan; formerly, PhD Student, Dept. of Civil Engineering, National Taiwan Univ., Taipei 106, Taiwan.
2. Assistant Research Fellow, Hydrotech Research Institute, National Taiwan Univ., 158 Chow Shan Rd., Taipei 106, Taiwan.
3. Professor Emeritus, Senior Research Fellow, Dept. of Civil Engineering, Hydrotech Research Institute, National Taiwan Univ., 158 Chow Shan Rd., Taipei 106, Taiwan.