1. Ph.D. Student, Mechanical Engineering Dept., Univ. of California Berkeley, CA; formerly, M.Sc. Student, Mechanical Engineering Dept., Sharif Univ. of Technology, Tehran, Iran.
2. Professor, Mechanical Engineering Dept., Sharif Univ. of Technology, Tehran, Iran (corresponding author).
3. Professor, Aerospace Engineering Dept., Sharif Univ. of Technology, Tehran, Iran.
4. Ph.D. Student, Mechanical Engineering Dept., Sharif University of Technology, Tehran, Iran.
5. Assistant Professor, Mechanical Engineering Dept., Sharif Univ. of Technology, Tehran, Iran.