MATEC Web of Conferences
Volume 1, 2012CSNDD 2012 – International Conference on Structural Nonlinear Dynamics and Diagnosis
|Number of page(s)||4|
|Section||Nonlinear Dynamics of Systems|
|Published online||09 July 2012|
Synthesis of multi-input Volterra systems by a topological assemblage scheme
1 Dept. of Civil, Environmental and Architectural Engineering, University of Genova, Italy
2 NatHaz Modelling Laboratory, University of Notre Dame, IN USA
The Volterra series expansion is widely employed to represent the input-output relationship of nonlinear dynamical systems. Such a representation is based on the Volterra frequency-response functions (VFRF), which can be calculated from the equation governing the system by the so-called harmonic probing method. This operation is straightforward for simple systems, may reach a prohibitive level of complexity for multiple-input systems when the calculation of a high-order VFRF is required. An alternative technique for the evaluation of the VFRFs of multiple-input systems is here presented generalizing an existing technique originally limited to the scalar case. A 2-dof mechanical example is used to illustrate the application of the technique.
© Owned by the authors, published by EDP Sciences, 2012
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