Titlebook: Nonlinear Structures & Systems, Volume 1; Proceedings of the 4 Matthew R.W. Brake,Ludovic Renson,Paolo Tiso Conference proceedings 2023 The

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Conference Proceedings of the Society for Experimental Mechanics Serieshttp://image.papertrans.cn/n/image/667703.jpg

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https://doi.org/10.1007/978-3-031-04086-3Nonlinear dynamics; modal analysis; structural engineering; complexity; nonlinearity and signal identifi

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Scattering from a Bi-stable , Arm,ment has localized inertia at its end points, each of which is connected to a semi-infinite straight rod. The focus is on longitudinal waves reflected and transmitted into the semi-infinite rods by the non-linear structural interface. The derivation of the transient governing ordinary differential e

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Investigating the Potential of Electrical Connection Chatter Induced by Structural Dynamics,ciated with the physical characteristics of the electrical interface. A phenomenon known as electrical chatter occurs when these vibrations are large enough to interrupt the electric signals. It is critical to understand the root causes behind these events because electrical chatter may result in un

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Ensemble of Numerics-Informed Neural Networks with Embedded Hamiltonian Constraints for Modeling Nocal model where the physics is not well known or readily otherwise model-able. One disadvantage of purely data-driven approaches is that they tend to perform poorly in regions outside the original training domain. To mitigate this limitation, physical knowledge about the structure can be embedded in

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Indirect Reduced-Order Modelling of Non-conservative Non-linear Structures,rohibitively computationally expensive, due to the very large number of degrees of freedom. Non-linear reduced-order modelling allows the salient dynamics of the FE model to be captured efficiently in a smaller, computationally cheap reduced-order model (ROM)..Recent developments in indirect reduced

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Hyper-Reduced Computation of Nonlinear and Distributed Surface Loads on Finite Element Structures BOR) via subspace projection. These techniques lead to a significant decrease of the necessary degrees of freedom (DOF) by using proper deformation trial vectors. However, if nonlinear loads are applied on distributed regions of the FE structures surface, the computation of these forces is based on p

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Nonlinear Modelling of an F16 Benchmark Measurement,are nonlinear. This paper illustrates a combined nonparametric and parametric system identification framework for modelling a nonlinear vibrating structure. First step of the process is the analysis: measurements are (semiautomatically) preprocessed, and a nonparametric best linear approximation (BL