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| Seuring, Stefan |
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| Nor Azizi, S. |
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| Pato, Margarida Vaz |
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| Kölker, Katrin |
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| Huber, Oliver |
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| Király, Tamás |
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| Spengler, Thomas Stefan |
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| Al-Ammar, Essam A. |
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| Dargahi, Fatemeh |
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| Mota, Rui |
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| Mazalan, Nurul Aliah Amirah |
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| Macharis, Cathy | Brussels |
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| Arunasari, Yova Tri |
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| Nunez, Alfredo | Delft |
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| Bouhorma, Mohammed |
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| Bonato, Matteo |
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| Fitriani, Ira |
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| Autor Correspondente Coelho, Sílvia. |
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| Pond, Stephen |
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| Okwara, Ukoha Kalu |
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| Toufigh, Vahid |
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| Campisi, Tiziana | Enna |
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| Ermolieva, Tatiana |
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| Sánchez-Cambronero, Santos |
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| Agzamov, Akhror |
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Omar, M. Z.
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Publications (12/12 displayed)
- 2021Predicting fatigue crack growth rate under block spectrum loading based on temperature evolution using the degradation-entropy generation theoremcitations
- 2020Correlation of Uniaxial and Multiaxial Fatigue Models for Automobile Spring Life Assessmentcitations
- 2019Evaluation of regression tree-based durability models for spring fatigue life assessment
- 2019Development of multiple linear regression-based models for fatigue life evaluation of automotive coil springscitations
- 2019Optimization of spring fatigue life prediction model for vehicle ride using hybrid multi-layer perceptron artificial neural networkscitations
- 2019Design of artificial neural network using particle swarm optimisation for automotive spring durabilitycitations
- 2018Vibration fatigue analysis of carbon steel coil spring under various road excitationscitations
- 2018Characterizing spring durability for automotive ride using artificial neural network analysiscitations
- 2017The need to generate a force time history towards life assessment of a coil spring
- 2017The Significance to Establish a Durability Model for an Automotive Ridecitations
- 2017Mission profiling of road data measurement for coil spring fatigue lifecitations
- 2013Explicit Nonlinear Finite Element Geometric Analysis of Parabolic Leaf Springs under Various Loadscitations
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article
Explicit Nonlinear Finite Element Geometric Analysis of Parabolic Leaf Springs under Various Loads
Abstract
This study describes the effects of bounce, brake, and roll behavior of a bus toward its leaf spring suspension systems. Parabolic leaf springs are designed based on vertical deflection and stress; however, loads are practically derived from various modes especially under harsh road drives or emergency braking. Parabolic leaf springs must sustain these loads without failing to ensure bus and passenger safety. In this study, the explicit nonlinear dynamic finite element (FE) method is implemented because of the complexity of experimental testing A series of load cases; namely, vertical push, wind-up, and suspension roll are introduced for the simulations. The vertical stiffness of the parabolic leaf springs is related to the vehicle load-carrying capability, whereas the wind-up stiffness is associated with vehicle braking. The roll stiffness of the parabolic leaf springs is correlated with the vehicle roll stability. To obtain a better bus performance, two new parabolic leaf spring designs are proposed and simulated. The stress level during the loadings is observed and compared with its design limit. Results indicate that the newly designed high vertical stiffness parabolic spring provides the bus a greater roll stability and a lower stress value compared with the original design. Bus safety and stability is promoted, as well as the load carrying capability.
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