Design and analysis of a quasi-zero stiffness nonlinear vibration isolator using viscoelastic damping materials: Design and analysis of a quasi-zero stiffness nonlinear vibration isolator - Sarnaik, Vishwanil; Panda, Satyajit; Kanagaraj, Subramani (Nonlinear Dynamics: An International Journal of Nonlinear Dynamics and Chaos in Engineering Systems, 2025)