1. Ph.D. Candidate, School of Engineering, Cardiff Univ., 14-17 The Parade, Cardiff CF24 3AA, U.K.; Lecturer, School of Computer Science, Hail Univ., P.O. Box 2440, Hail, Saudi Arabia (corresponding author).
2. Senior Lecturer, Sustainable Engineering, School of Engineering, Cardiff Univ., 14-17 The Parade, Cardiff CF24 3AA, U.K.
3. Institute Leader, Building Research Establishment (BRE) Institute in Sustainable Engineering, School of Engineering, Cardiff Univ., 14-17 The Parade, Cardiff CF24 3AA, U.K.