1. Computational Mechanics Laboratory, School of Pedagogical & Technological Education , Heraklion, Greece
2. Division of Physical Sciences & Applications, Lab of Inorganic Chemical Technology, Hellenic Army Academy , Vari, Greece
3. Faculty of Engineering and Arhitecture, School of Civil Engineering, Metropolitan College , Marousi, Greece
4. Department of Civil Engineering and Energy Technology, Oslo and Akershus University College of Applied Sciences , Oslo, Norway