Suchergebnisse - "Computational methods in fluid dynamics"

Full scale self-propulsion computations using discretized propeller for the KRISO container ship KCS von Castro, Alejandro M., Carrica, Pablo M., Stern, Frederick

“… ► Self-propulsion computations of a surface ship using discretized propeller in full scale are presented for the first time. ► Computations involve overset …”
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Pressure jump interface law for the Stokes–Darcy coupling: confirmation by direct numerical simulations von Carraro, T., Goll, C., Marciniak-Czochra, A., Mikelić, A.

“… To the contrary, the interface law for the effective stress has been a subject of controversy. Recently, a pressure jump interface law has been rigourously derived by Marciniak-Czochra and Mikelić …”
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Local radial basis function-based differential quadrature method and its application to solve two-dimensional incompressible Navier–Stokes equations von Shu, C, Ding, H, Yeo, K.S

“… Local radial basis function-based differential quadrature method is presented in detail in this paper. The method is a natural mesh-free approach. Like the …”
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Topology optimization of fluids in Stokes flow von Borrvall, Thomas, Petersson, Joakim

“… We consider topology optimization of fluids in Stokes flow. The design objective is to minimize a power function, which for the absence of body fluid forces is the dissipated power in the fluid, subject to a fluid volume constraint …”
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The Fluctuation Theorem von Evans, Denis J., Searles, Debra J.

“… The question of how reversible microscopic equations of motion can lead to irreversible macroscopic behaviour has been one of the central issues in statistical …”
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Topology optimization of microfluidic mixers von Andreasen, Casper Schousboe, Gersborg, Allan Roulund, Sigmund, Ole

“… The mixer performance is maximized by altering the layout of flow/non‐flow regions subject to a constraint on the pressure drop between inlet and outlet. For a square cross …”
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Performance of inherently compensated flat pad aerostatic bearings subject to dynamic perturbation forces von Bhat, Nikhil, Kumar, Senthil, Tan, Wayne, Narasimhan, Ramarthinam, Low, Tsu Chuin

“… ► Dynamic performance of inherently compensated aerostatic bearing has been investigated. ► No negative stiffness observed (except for orifice …”
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Modelling crowd–bridge dynamic interaction with a discretely defined crowd von Carroll, S.P., Owen, J.S., Hussein, M.F.M.

“… Pedestrians are modelled as individual elements subject to global behavioural rules. In this paper a discrete element crowd model is coupled with a dynamic bridge model in a time-stepping framework …”
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An Introduction to the Adjoint Approach to Design von Giles, Michael B., Pierce, Niles A.

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Semi-coupled air/water immersed boundary approach for curvilinear dynamic overset grids with application to ship hydrodynamics von Huang, Juntao, Carrica, Pablo M., Stern, Frederick

“… For many problems in ship hydrodynamics, the effects of air flow on the water flow are negligible (the frequently called free surface conditions), but the air …”
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Simulation of blood flow in deformable vessels using subject-specific geometry and spatially varying wall properties von Xiong, Guanglei, Figueroa, C. Alberto, Xiao, Nan, Taylor, Charles A.

“… to the initiation and progression of cardiovascular diseases and for planning interventions. Methods for creating subject …”
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Numerical simulation of liquid sloshing phenomena in partially filled containers von Chen, Y.G., Djidjeli, K., Price, W.G.

“… In the simulation of the dynamic load excited by sloshing in a partially filled tank, appropriate boundary conditions need imposing to calculate the impact …”
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CFD simulation of a thermoacoustic engine with coiled resonator von Zink, Florian, Vipperman, Jeffrey, Schaefer, Laura

“… Work is created through the interaction of strong sound waves with the porous medium that is subject to external heating …”
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Resolving the stratification discrepancy of turbulent natural convection in differentially heated air-filled cavities – Part I: Reference solutions using Chebyshev spectral methods von Sergent, Anne, Xin, Shihe, Joubert, Patrice, Le Quéré, Patrick, Salat, Jacques, Penot, François

“… ► Spectral 3D DNS results are presented for turbulent differentially heated cavity. ► Adiabatic or measured temperature distributions applied at the top and …”
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A superposition approach to study slip-flow forced convection in straight microchannels of uniform but arbitrary cross-section von Hooman, K.

“… This work presents a superposition approach to investigate forced convection in microducts of arbitrary cross-section, subject to H1 and H2 boundary conditions, in the slip-flow regime with further …”
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Modelling pipeline for subject-specific arterial blood flow-A review von Sazonov, Igor, Yeo, Si Yong, Bevan, Rhodri L. T., Xie, Xianghua, van Loon, Raoul, Nithiarasu, Perumal

“… SUMMARY In this paper, a robust and semi‐automatic modelling pipeline for blood flow through subject …”
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Numerical quantification of aerodynamic damping on pitching of vehicle-inspired bluff body von Cheng, S.Y., Tsubokura, M., Nakashima, T., Okada, Y., Nouzawa, T.

“… To consider the dynamic response of a vehicle to real-life transient aerodynamics, a dimensionless parameter that quantifies the amount of aerodynamic damping for vehicle subjects to pitching oscillation is proposed …”
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On the pressure approximation in nonstationary incompressible flow simulations on dynamically varying spatial meshes von Besier, Michael, Wollner, Winnifried

“… SUMMARY The subject of this paper is a defect in the approximation of the pressure on dynamically changing spatial meshes in the computation of nonstationary incompressible flows …”
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Numerical analysis of flow-induced nonlinear vibrations of an airfoil with three degrees of freedom von Feistauer, Miloslav, Horáček, Jaromír, Růžička, Martin, Sváček, Petr

“… The subject of the paper is the numerical simulation of the interaction of two-dimensional incompressible viscous flow and a vibrating airfoil with large amplitudes …”
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A stabilized finite element method for the numerical simulation of multi-ion transport in electrochemical systems von Bauer, Georg, Gravemeier, Volker, Wall, Wolfgang A.

“… The governing equations form a set of coupled nonlinear partial differential equations subject to an electroneutrality condition …”
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