Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"Rigid Ring"”.
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Prediction of the off-road rigid-ring model parameters for truck tire and soft soil interactions
… truck models using the simplified off-road rigid-ring model parameters may further increase these economical savings within the automotive industry. The determination of the off-road rigid-ring parameters is meant to facilitate the simulation of full vehicle models developed by Volvo Group …
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Discrete Tire Modeling for Anti-lock Braking System Simulations
… on the braking performance of a vehicle. A rigid ring tire model, tandem elliptical cam enveloping model and a rule-based ABS model have been developed for this purpose. These were combined together in a quarter vehicle model and implemented in Matlab-Simulink. These models were developed …
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Modelling and validation of agricultural tire-terrain interaction
… has been extensively used for many engineering applications. More precisely, computerized methods have paved way for accurately simulating tire-terrain interaction. By predicting forces, vibrations, and numerous physical effects, any industry with pneumatic tires can greatly reduce time, …
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Development and Validation of a Tool for In-Plane Antilock Braking System (ABS) Simulations
… in different software interfaces. An in-plane rigid ring model is used to understand the transient response of tires to various high frequency events such as Anti-Lock Braking and short wavelength road disturbances. A rule based ABS model performs the high frequency braking operation. The tire …
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A comprehensive analytical model for pneumatic tires
… with three compliance components--6-DOF spring/damper elements for the sidewall and the internal pressure, a flexible circular beam for the belt layers, and a series of radial springs for the tread. This contact model can estimate the 2-D contact shape and the contact pressure distributions …
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Development and optimization of a wide base FEA truck tire model for prediction of tire-road interactions
… amount of rolling resistance force measured during steady-state driving conditions between the physical and simulated experiments. In addition, the static vertical deflection of the virtual tire model was able to be minimized to only 0.42% error in comparison to the physical tire. After the …
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Discrete Tire Model Application for Vehicle Dynamics Performance Enhancement
… wavelength road disturbances, braking and steering torque variations. Major thrust has been provided by the tire industry to develop simulation models that accurately predict the dynamic response of tires without the use of computationally intensive tools such as FEA. The objectives of this …
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A Novel Method for Vibration Analysis of the Tire-Vehicle System via Frequency Based Substructuring
… of overall vehicle ride quality. Often, during the tire design process, target specifications are used to achieve the desired ride performance. To validate the design, subjective evaluations are performed by expert drivers. These evaluations are usually done on a test track and are both …
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Atomistic simulation of self-organization in semiconducting polymers and polypeptides with molecular dynamics and Monte Carlo methodologies
… poly-thiophenes using moves that account for the rigid ring structure of the thiophene moiety. We also introduced two new united-atom models for the simulation of these materials: a rigid model for MC simulations and a more flexible model for MD simulations. We were able to predict the high …
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Structural Analysis of Cylindrical Particles by Small Angle X-ray Scattering
… cylindrical particles by small angle X-ray scattering (SAXS). Three systems with cylinder-shaped particles: (1) Laponite particles in aqueous solutions, (2) Poly(carbon suboxide) particles in binary water/DMF solutions, and (3) Suprastructural aggregates of coil-ring-coil block copolymers in …
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Performance Optimisation of Dielectric Elastomer Generators
… evaluated on the basis of the energy extracted during a cycle and of the efficiency, defined as the ratio of the harvested energy on the total invested energy. The amount of extracted energy is limited due to possible failures of the device, which are, in the most general case, electric breakdown, …