Larcher, Aurélien Medghoul, Ghaniyya Manzinali, Gabriel Hachem, Elie
In this article, a strategy for efficient computational cost reduction of numerical simulations for complex industrial applications is developed and evaluated on multiphysics problems. The approach is based on the adaptive stopping criterion for iterative linear solvers previously implemented for elliptic partial differential equations and the conv...
Kancs, A.
Published in
Latvian Journal of Physics and Technical Sciences
Due to the increasing popularity of additive manufacturing technologies, more varied and complex shapes of heat exchangers can be produced that can be optimised to be more compact and efficient. In this paper, a triply minimal periodic surface – gyroid structure – is designed to study the applicability of such structures in compact air-to-air heat ...
xie, guangci chao, hu dong, li yong, ma zhang, xu zhu, yuanyao
Due to its simplicity and high reliability, the Oscillating Water Column (OWC) has been a prominent focus of research. This study investigates the impact of OWC geometry on hydrodynamic performance by analyzing the effects of draft, chamber width, and Power Take Off (PTO) damping on energy conversion efficiency, reflection coefficient, transmission...
peng, yu sheng, xu chen, jiuchao zhu, lingke zhou, jiale lie, yu sun, zewen
Currently, there are two primary issues with CFD simulations of local scour around bridge foundations using the RANS method. Firstly, the self-sustaining characteristics of turbulent boundary conditions at the inlet require special attention. Secondly, the simulated location of the maximum scour depth does not align with experimental observations. ...
nie, you weng, ding wang, jiadao
Underwater drag reduction using superhydrophobic surfaces is a promising method due to its simplicity and low energy consumption. However, most attempts to obtain drag reduction using superhydrophobic surfaces have failed. Explanations such as air layer or air bubble vanishment and surface roughness are proposed in the existing works. In this work,...
yihan, zu zhong, wenchen enle, xu miao, zhenyong
The gas–liquid Venturi injector has been widely applied in industrial production due to its advantages of high entrainment and low energy consumption. In this study, Computational Fluid Dynamics (CFD) was employed to investigate the effect of the gas–liquid interface structure within the mixing section on entrainment behavior by varying the geometr...
kovačič, krištof bajt, saša šarler, božidar
This work aims to verify whether the continuum mechanics assumption holds for the numerical simulation of a typical sample delivery system in serial femtosecond crystallography (SFX). Knudsen numbers were calculated based on the numerical simulation results of helium flow through the gas-focused liquid sheet nozzle into the vacuum chamber, represen...
zhu, yue gan, jin lin, yongshui weiguo, wu
Computational fluid dynamics (CFD) has become increasingly prevalent in marine and offshore engineering, with enhancing simulation efficiency emerging as a critical challenge. This study systematically evaluates the application of graphics processing unit (GPU) acceleration technology in CFD simulation of propeller open water performance. Numerical...
holtmann, benjamin l. key, nicole l.
Recent advancements in computational fluid dynamics (CFD) enable new and more complex analysis methods to be developed for early design stages. One such method is the isolated unsteady diffuser model, which seeks to reduce the computational cost of unsteady CFD when modeling diffusion systems in centrifugal compressors with vaned diffusers by isola...
hongyu, li cao, huijie jiayi, xu wenxin, li qingfeng, ma weizhuang, ma
To verify the feasibility of the variable wing actuator for a virtual mooring buoy, this paper investigates the self-propelled dive motion of a virtual mooring buoy under hydrostatic variable density conditions using a computational fluid dynamics (CFD) approach. The virtual mooring buoy developed by our research group is used in this study, and th...
