19 Result(s)
within
Elvio Bonisoli
English
Solid Mechanics
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Chapter and Conference Paper
Experimental-Numerical Comparison of Contact Nonlinear Dynamics Through Multi-level Linear Mode Shapes
An experimental nonlinear cantilever beam, including non-holonomic contacts, is experimentally tested. Time domain evolution is compared with simulated responses obtained by the proposed methodology, called Mu...
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Chapter and Conference Paper
A Proposal of Dynamic Behaviour Design Based on Mode Shape Tracing: Numerical Application to a Motorbike Frame
A modal based method to design and to improve the dynamic behaviour of flexible multibody systems is proposed in this paper. The dynamic behaviour of a flexible multibody system depends on the dynamics of its ...
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Chapter and Conference Paper
On the Veering Phenomenon Potential in High Speed Gears Design
In modern industry, the design process of most mechanical components is aimed at reducing their mass and increasing the performance, especially in weight-critical applications like aero-space engines. This app...
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Chapter and Conference Paper
Could the Veering Phenomenon be a Mechanical Design Instrument?
During the design process, especially in systems where dynamic characteristics are crucial, modal analysis is an instrument to understand the response of systems subject to external loads. The presence of a re...
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Chapter and Conference Paper
A Proposal of Multi-Dimensional Modal Reduction for Nonlinear Dynamic Simulations
Simulations of nonlinear mechanical systems have always been a challenge due to their computational cost: even though techniques able to reduce simulations cost have been deeply studied in the last decades, th...
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Chapter and Conference Paper
An Unified Framework for Studying Gear Dynamics Through Model Reduction Techniques
Contribution of gear, shaft and bearing stiffnesses to the gear dynamics is an important aspect that can affect the gearbox behavior. Nowadays, it is possible to simulate the gear mating with a very accurate n...
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Chapter and Conference Paper
EMA-FEA Correlation and Updating for Nonlinear Behaviour of an Automotive Heat-Shield
This paper focuses on the correlation between Experimental Modal Analysis (EMA) and Finite Element Analysis (FEA) of an automotive component where different parameters can affect the simplicity of a linear app...
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Chapter and Conference Paper
From Preliminary Design to Prototy** and Validation of Energy Harvester for Shoes
Powering a remote wireless sensor is a challenging task if batteries are not suitable or enough capacious and their substitution is not feasible. In this project a remote wireless sensor is placed inside train...
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Chapter and Conference Paper
Robust Updating of Operational Boundary Conditions for a Grinding Machine
Operational boundary conditions of actual structures are often a crucial and difficult aspect in model updating of CAD/CAE models based on dynamic tests and experimental modal identification.
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Chapter and Conference Paper
Energy Harvesting Perspectives from Parametric Resonant Systems
Parametric resonances can occur in internally stressed systems due to the periodic variation of the stiffness in time. Parametric resonance can lead to unstable dynamic behaviour; however, their response is li...
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Chapter and Conference Paper
Detection of Stress-Stiffening Effect on Automotive Components
In this paper experimental investigations of interference fit effects on the dynamic behaviour of assembled wheels are provided. The performed analyses on the automotive components take into account manufactur...
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Chapter and Conference Paper
Investigation of Crossing and Veering Phenomena in an Isogeometric Analysis Framework
The dynamic properties of crossing and veering in coupled structures have been studied both numerically and analytically, but they are difficult to investigate using Finite Element Analysis because of the chan...
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Chapter and Conference Paper
Crossing and Veering Phenomena in Crank Mechanism Dynamics
Modal analysis is widely used both on single components and mechanical complex assemblies and it is recognized to be a fundamental step on the functional design process. From experimental point of view, a chan...
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Chapter and Conference Paper
Robust Optimization of Magneto-Mechanical Energy Harvesters for Shoes
Powering a remote wireless sensor is a challenging task if batteries are not suitable or enough capacious and their substitution is not feasible. A remote wireless sensor can be placed inside a shoe with the a...
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Chapter and Conference Paper
Inverse Eigensensitivity Approach in Model Updating of Avionic Components
This paper presents an application of a well-known model updating approach based on the inverse eigensensitivity method. The methodology is applied to an avionic equipment that supports different electronic in...
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Chapter and Conference Paper
Nonlinear Testing and Models Comparison of Magneto-Mechanical Energy Scavengers
This paper describes modeling and experimental testing of a magneto-mechanical energy scavenger. The examined device is a vibration-driven linear generator, where the translator is constituted by a permanent m...
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Chapter and Conference Paper
Structural Dynamics with Coincident Eigenvalues: Modelling and Testing
Theory of curve crossing and curve veering phenomena is well known in structural dynamics, but only few papers have used test bench to demonstrate and validate this eigenvalues behaviour. The aim of this paper...
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Chapter and Conference Paper
A Modal-Geometrical Selection Criterion for Master Nodes: Numerical and Experimental Testing
Usually, the problem of master nodes selection characterizes both computational or experimental modal analyses and defines the numerical properties of reduced models that possess equivalent dynamic properties....
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Chapter and Conference Paper
Nonlinear Dynamics of an Electro-Mechanical Energy Scavenger
This paper presents a very compact electro-mechanical wideband energy harvester optimized for tire applications. The energy conversion process of the device takes into account the simulation of different pheno...
