%0 Journal Article %T Dynamics of a forced 2 dof piece-wise linear system by consideration of the weight %A Ture Savadkoohi A. %A Lamarque C.-H. %A Dimitrijevic Z. %J MATEC Web of Conferences %D 2012 %I %R 10.1051/matecconf/20120105005 %X Energy pumping phenomenon between a linear system and a non-smooth system by taking into account the weight of the system is studied. The system faces bifurcation when it reaches to its unstable border and then according to external forcing term it can follow lower stable branch or to face strongly modulated response by hysteresis jumps between its stable branches. %U http://dx.doi.org/10.1051/matecconf/20120105005