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Heng Liu, Wenzhi Xu, Quanchun Yuan, Jin Zeng, Xiaohui Lei and Xiaolan Lyu
In addressing the challenges of high energy consumption and low efficiency in fertilization borehole drilling for clayey soils in southern orchards, this study utilizes the Discrete Element Method to establish a simulation model for clayey soils. Through...
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Zheng Liu, Jun Liu, Xianqi Xie, Mengyang Zhen, Yue Wang, Chen Ou and Haowen Zheng
The nature of the fracture and fragmentation processes in concrete medium under blast loading is the transformation of the medium from continuum to discontinuity. Coupled with the significant rate correlation of concrete medium, its mechanical behavior p...
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Eugen Stockburger, Hendrik Wester and Bernd-Arno Behrens
Advanced high-strength steels (AHHS) are widely used in many production lines of car components. For efficient design of the forming processes, numerical methods are frequently applied in the automotive industry. To model the forming processes realistica...
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Young-Joo Song, Jonghee Bae, SeungBum Hong, Jun Bang, Kara M. Pohlkamp and Shane Fuller
This paper outlines the collaborative efforts between the Korea Aerospace Research Institute (KARI) and the National Aeronautics and Space Administration (NASA) Johnson Space Center (JSC) for the Flight Dynamics (FD) operation of the Korea Pathfinder Lun...
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Juliana de Araujo, Wendel Paulo Silvestre, Gabriel Fernandes Pauletti and Luis Antonio Rezende Muniz
This study aimed to evaluate the extraction of Corymbia citriodora (Hook.) K.D.Hill and L.A.S.Johnson essential oil by steam distillation under reduced pressure. Yield and composition of the essential oils obtained at different system pressures were anal...
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Olivier Pantalé
Numerical methods based on finite element (FE) have proven their efficiency for many years in the thermomechanical simulation of forming processes. Nevertheless, the application of these methods to new materials requires the identification and implementa...
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Nelson H. Morgon, Srijit Biswas, Surajit Duari and Aguinaldo R. de Souza
Methyl trifluoromethanesulfonate was found to catalyze the reaction of the nucleophilic substitution of the hydroxyl group of alcohols by N-heterocycles followed by X- to N- alkyl group migration (X = O, S) to obtain N-functionalized benzoxazolone, benzo...
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Ingrid Luffman and Daniel Connors
Volunteered Geographic Information, data contributed by community scientists, is an increasingly popular tool to collect scientific data, involve the community in scientific research, and provide information and education about a prominent issue. Johnson...
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Milica Jovanoska Mitrevska, Viktor Mickovski, Todorka Samardzioska and Gino Iannace
Polyurethane foam (PUF) is an exceptionally adaptable product that has a variety of applications?it can be found almost everywhere. Due to such high utilization, the amount of polyurethane foam waste generated each year is growing over time. Rebonding po...
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Navya Gara, Velmurugan Ramachandran and Jayaganthan Rengaswamy
The present work investigates the impact behaviour of Al 2024-T3 alloy using FEM analysis performed through LS DYNA software. Johnson?Cookvisco-plastic model is used to study the ballistic impact resistance of target Al alloy impacted by a rigid steel cy...
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