Numerical and analytical study of seismic response of structural systems with new formulation using energy and impact methodsMehdi Babaei, Somayeh Mollaei, Amin Moslemi Petrudi, Maysam Jalilkhani and Ionut Cristian ScurtuE3S Web Conf., 286 (2021) 04014DOI: https://doi.org/10.1051/e3sconf/202128604014