1. Associate Professor, Dept. of Mechanical and Materials Engineering, Universidad de Sevilla, Camino de los Descubrimientos sn, Isla Cartuja, 41092 Sevilla, Spain.
2. Associate Professor, School of Civil Engineering, Universidad Politécnica de Valencia, Camino de Vera sn, 46022 Valencia, Spain (corresponding author).
3. Professor, School of Civil Engineering, Universidad Politécnica de Valencia, Camino de Vera sn, 46022 Valencia, Spain.