..., uniqueness, and stability of the system’s solutions are rigorously established through Picard approximation, Banach’s fixed point theorem, and an iterative Laplace transform (LT) technique. A customized fractional Euler method is developed to perform numerical simulations, revealing rich dynamical behavior...

... first validates the accuracy of the numerical simulation model through comparison with full-scale experimental results. Subsequently, a simulation of the tunnel opening process is conducted, considering five key construction stages: initial condition, pre-support, segment removal, cast-in-place ring...

... grassland competition model is formulated using the Caputo fractional derivative of order ρ ∈ (0, 1]. The qualitative behavior of the system is analyzed by establishing the non-negativity and boundedness of solutions, followed by a stability analysis of the equilibrium points. Numerical simulations...

...). In contrast to previous artificial neural network studies, the employed model is updated on-the-fly during the direct numerical simulation based on the training dataset obtained by direct Integration during the simulation itself. The developed approach has been tested for different configurations involving...

... numerical simulation technology. Findings Finally, simulations and trial productions were conducted to compare the thickness and thinning rates of the actual and simulated parts at the same locations. The findings indicated that the thickness and thinning rates were similar, confirming the optimization...

... pump predicted by numerical simulations are in good agreement with the experiments. Findings The sand promotes the inception and development of cavitating flow in the pump. Meanwhile, the inception and development of cavitating flow force sand to distribute near the pressure surface of blade...

... Licensed re-use rights only Hydraulic fracture Peridynamics Stepwise Numerical simulation In the past few decades, extensive laboratory experiments (Fallahzadeh et al., 2015 , 2017 ; Blanton et al., 1982 ; Sun et al., 2021b) and field studies (Bao and Eaton...

... © Emerald Publishing Limited 2024 Emerald Publishing Limited Licensed re-use rights only Polyurea coating Substrate cracking Hydraulic peeling Numerical simulation Coating structural design The flexible surface sealing and anti-seepage system is an essential part of hydraulic...

... of a double-layered concrete lining with an EVA-based spray-film waterproofing layer (3–5 mm thick) through component tests and numerical simulations. They found that applying a waterproofing film changed the internal force distribution of the inner and outer linings and that considering the film’s shear...

... be contacted at: up201404216@edu.fe.up.pt Several works have used FE numerical simulations to investigate spine biomechanics. Zhang and Zhu (2019) developed a three-dimensional nonlinear FE model of the lumbosacral vertebrae to explore the path of the follower load, a compressive load of physiologic...

...) specifications. Numerical simulations were performed on spiral corrugated pipes with fault dislocation, and the results were compared with the experimental data, enabling the determination of the variation pattern of the soil spring coefficient. Findings The findings indicate that the maximum axial tensile...

... regulation performance of the optimized V-shaped regulating ball valve is verified through a combination of numerical simulation and experiment. Findings The results demonstrate that the optimized V-shaped regulating ball valve has higher flow regulation accuracy and a more stable flow regulation process...

... Natural gas hydrate Thermal-hydrodynamic-mechanical–chemical Fully coupling Finite element method Numerical simulation Nomenclature φ Porosity m ˙ H Mass change rate of hydrate due to dissociation, kg/s m ˙ w Mass change rate of water generated...

.../value Since psi-Caputo fractional differential equation is a new and emerging field, many engineers can utilize the present technique for the numerical simulations of their linear/non-linear psi-Caputo fractional differential models. To the best of the authors’ knowledge, the present work has never...

... numerical value is greater than the experimental value, which is due to the neglect of leakage loss and other factors in the numerical simulation. The head error at the design point is 3.32% and the efficiency error is 1.5%. When the flow exceeds the design working condition, the error becomes larger...

... characteristics experiment of the pump is used to verify the accuracy of the numerical simulation. Findings The blade erosion area mainly occurs near the blade inlet and the trailing edge of the pressure surface, the main erosion area of the impeller back shroud is near the outlet of the flow passage...

...Fei Tong; Jie Yang; Meng Qiang Duan; Xu Fei Ma; Gao Chao Li Purpose The purpose of this article is to understand the current research status and future development trends in the field of numerical simulation on rock mass grouting. Design/methodology/approach This article first searched...

... ) ) / d ρ 2 ) 2 d ρ . Robotics Numerical simulation Modeling Control University of Tehran 30447/01/01 Nomenclature p Robot link length b Robot link thickness c Robot link width m ρ Longitudinal mass density...

...-dimensional analysis of thawing process in frozen soil. Originality/value This study helps to understand the thawing process of frozen soil by coupled thermo-hydro-mechanical numerical simulation. where T₀ is the freezing temperature of pore water (°C); α is an experimental...

... Numerical simulation Impact damage Residual compressive strength RTM laminate Because of its vulnerability and low visibility, impact damage of composite materials caused a great threat to the bearing safety of aeronautical structures. The compressive strength of composite structures decreased...