Effect of Method Type on the Response of Continuum Vibro-Impact

Figure 6

Time-history response of soft impact and hard impact using FIM and RMTM. (a) Five-mode discretization: damping ratio , ; soft impact ; zero-crossing threshold ; and step . (b) Five-mode discretization: damping ratio ; ; hard impact ; zero-crossing threshold ; and step . (c) Twenty-mode discretization: damping ratio ; ; soft impact ; zero-crossing threshold ; and step . (d) Twenty-mode discretization: damping ratio , ; hard impact ; FIM, RMTM analytical, and RMTM numerical I: zero-crossing threshold and step . RMTM numerical II: zero-crossing threshold and step .

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