... on the experimental prototype using micro fibre composite actuators. Optimal frequency range has been used, associated with low amplitudes of deformation with the Arbitrary Lagrangian Eulerian methodology. This study used an adapted turbulence modelling with the organised eddy simulation (OES) as well as a hybrid...

...Hani Sadrhosseini; Saed Bazkhane Purpose The purpose of the study is to present a simplified model to replace the complicated foaming simulations for investigating the liquid polyurethane behavior just before solidification. Design/methodology/approach This model is inspired from the traveling...

...Abdelraheem M. Aly; Mitsuteru Asai; Yoshimi Sonda Purpose The purpose of this paper is to show how a surface tension model and an eddy viscosity based on the Smagorinsky sub‐grid scale model, which belongs to the Large‐Eddy Simulation (LES) theory for turbulent flow, have been introduced into ISPH...

.... The material used in the simulation is LDPE, the material parameters and thermal properties are: ρ=782 kg/m³, λ⁰=0.15 s, η₀⁰=10⁴ Pa · s, c_p=2.57 kJ/(kg · K), κ=0.241 W/(m · K...

...Nima Tajallipour; Vimal Kumar; Marius Paraschivoiu Purpose The purpose of this paper is to investigate a large‐eddy simulation, using low order numerical discretization and upwinding schemes on unstructured grids, for a turbulent free jet at Mach number 0.95. The accuracy and stability performance...

... The authors have used the coupled level‐set and volume‐of‐fluid (CLSVOF) method to explore the different phenomena during multi‐drop impact on liquid‐liquid interface. Complete numerical simulation is performed for two‐dimensional incompressible flow, which is described in axisymmetric coordinates...

...X. Li; N. Massarotti; P. Nithiarasu; J.C. Mandal; C.R. Sonawane Purpose The purpose of this paper is to simulate flow inside differentially heated rotating cavity using two different formulations; one using Navier‐Stokes (NS) equations derived in non‐inertial (rotating) frame of reference...

...X. Li; N. Massarotti; P. Nithiarasu; Yogesh Jaluria Purpose The numerical simulation of practical thermal processes is generally complicated because of multiple transport mechanisms and complex phenomena that commonly arise. In addition, the materials encountered are often not easily characterized...

...Rob Bastiaans; A.W. Vreman Purpose The present paper is about numerical simulations of one‐ and two‐dimensional lean hydrogen combustion at an equivalence ratio of 0.7. The initial flat two‐dimensional flames show unstable behavior. The instabilities generate flame wrinkling and flame induced...

...Yvonne Stokes; Graham Carey Purpose The purpose of this paper is to extend the penalty concept to treat partial slip, free surface, contact and related boundary conditions in viscous flow simulation. Design/methodology/approach The penalty partial‐slip formulation is analysed and related...

...Anna‐Lena Ljung; T. Staffan Lundström; Kent Tano Purpose The purpose of this paper is to numerically model convective drying of a two‐dimensional iron ore pellet subjected to turbulent flow. Design/methodology/approach Simulations of the iron ore pellet drying process are carried out...

... equation is used in order to work out the procedure of coupling of the reduced model with the flow solver. Findings The proposed method is validated with the 2D simulation of a premixed laminar flame in the hydrogen‐air mixture, where a remarkable computational speedup and memory saving...

...Diego Celentano; Marcela Cruchaga; Jorge Romero; Mohammed El Ganaoui Purpose The purpose of this paper is to present a 2D numerical simulation of natural convection and phase‐change of succinonitrile in a horizontal Bridgman apparatus. Three different heat transfer mechanisms are specifically...

... in Figures 1(a) and (b); 2(a) and (b) . Simulation Differential equations Iterative methods Equation 1 In conclusion, the variational iteration method has been successfully used for finding the solution of the MB and a sSK equations. The solution obtained is an infinite power...

... algorithm. The optimized micro‐channel heat sink is simulated by computational fluid dynamics (CFD) method, and the total thermal resistance is calculated to compare with that of thermal resistance network model. Design/methodology/approach Taking the thermal resistance and the pressure drop as goal...

... three‐dimensional (3D) simulation of the complete stage is carried out, using a commercial code, FLUENT, that resolves the 3D, unsteady turbulent flow inside the passages of a low‐speed axial flow fan. For the closure of turbulence, both Reynolds‐averaged Navier‐Stokes modeling and large eddy simulation...

...Chung‐Yueh Wang; Jyh‐tong Teng; George P.G. Huang Purpose The purpose of this paper is to develop the numerical simulated methodology for sloshing motion of fluid inside a two dimension rectangular tank, and parametric studies were performed for three parameters – excitation frequency, excitation...

... code was developed using efficient and versatile numerical methods. The model and simulations are always compared to experiments in order to validate them and also to find their limitations. Findings This work has greatly improved the code accuracy. The key role of the electronic nonequilibrium...

.../methodology/approach For this purpose a two dimensional code has been developed to simulate the natural convection heat transfer along a vertical cylinder, for four different geometries: from vertical cylinder in infinite medium; from a vertical flat plate in an infinite medium; from an open assembly...

...Sintu Singha; K.P. Sinhamahapatra Purpose The purpose of this paper is to simulate the flow of a conducting fluid past a circular cylinder placed centrally in a channel subjected to an imposed transverse magnetic field to study the effect of a magnetic field on vortex shedding at different...