Found 116 Documents (Results 1–100)
Numerical modeling of flow past a volumeless and thin rigid body using direct forcing immersed boundary method. (English) Zbl 07847125
Characteristic scales during the onset of radiatively driven convection: linear analysis and simulations. (English) Zbl 1525.76041
Swimming of an inertial squirmer and squirmer dumbbell through a viscoelastic fluid. (English) Zbl 1541.76114
A VOS based immersed boundary-lattice Boltzmann method for incompressible fluid flows with complex and moving boundaries. (English) Zbl 1521.76640
MSC:
76M28
cDFIB: a convolutional direct forcing immersed boundary method for solving incompressible flows with time-varying geometries. (English) Zbl 07690240
On the clustering of low-aspect-ratio oblate spheroids settling in ambient fluid. (English) Zbl 1520.76095
Optimal white-noise stochastic forcing for linear models of turbulent channel flow. (English) Zbl 1543.76052
An explicit and non-iterative moving-least-squares immersed-boundary method with low boundary velocity error. (English) Zbl 07640560
A direct-forcing immersed boundary projection method for thermal fluid-solid interaction problems. (English) Zbl 1513.35495
Turbulent impinging jets on rough surfaces. (English) Zbl 1541.76052
MSC:
76F65
Spontaneous suppression of inverse energy cascade in instability-driven 2-D turbulence. (English) Zbl 1531.76043
Linear forcing of compressible isotropic turbulence in rectangular domains with adapted locally refined grids. (English) Zbl 1513.76092
King, Rudibert (ed.) et al., Active flow and combustion control 2021. Papers contributed to the conference, Berlin, Germany, September 28–29, 2021. Cham: Springer. Notes Numer. Fluid Mech. Multidiscip. Des. 152, 187-202 (2022).
Comparative study of the virtual flux method and immersed boundary method coupled with regularized lattice Boltzmann method for suspension flow simulations. (English) Zbl 1521.76673
Numerical investigation of turbulent features past different mechanical aortic valves. (English) Zbl 1512.76149
Direct forcing immersed boundary methods: improvements to the ghost-cell method. (English) Zbl 07505966
Direct-forcing immersed-boundary method: a simple correction preventing boundary slip error. (English) Zbl 07503737
Approximate analytical solutions of generalized Zakharov-Kuznetsov and generalized modified Zakharov-Kuznetsov equations. (English) Zbl 1485.35121
A finite element penalized direct forcing immersed boundary method for infinitely thin obstacles in a dilatable flow. (English) Zbl 1524.76132
Forcing statistics in resolvent analysis: application in minimal turbulent Couette flow. (English) Zbl 1492.76070
A well-defined grid line-based immersed boundary method for efficient and accurate simulations of incompressible flow. (English) Zbl 1524.76140
Study of momentum and thermal wakes due to elliptic cylinders of various axes ratios using the immersed boundary method. (English) Zbl 1512.76029
Roy, Somnath (ed.) et al., Immersed boundary method. Development and applications. Singapore: Springer. Comput. Methods Eng. Sci., 317-333 (2020).
A direct-forcing immersed boundary projection method for simulating the dynamics of freely falling solid bodies in an incompressible viscous fluid. (English) Zbl 1437.65099
A boundary thickening-based direct forcing immersed boundary method for fully resolved simulation of particle-laden flows. (English) Zbl 1452.76176
An improved direct-forcing immersed boundary method with inward retraction of Lagrangian points for simulation of particle-laden flows. (English) Zbl 1416.76217
MSC:
76M25
76T20
Simulations of settling object using moving domain and immersed-boundary method. (English) Zbl 1411.76057
An IB-LBM implementation for fluid-solid interactions with an MLS approximation for implicit coupling. (English) Zbl 1462.76140
A simple direct-forcing immersed boundary projection method with prediction-correction for fluid-solid interaction problems. (English) Zbl 1410.76291
Reduction of the discretization stencil of direct forcing immersed boundary methods on rectangular cells: the ghost node shifting method. (English) Zbl 1398.65267
A combined ghost-point-forcing / direct-forcing immersed boundary method (IBM) for compressible flow simulations. (English) Zbl 1390.76554
An analytical study of the flame dynamics of a transversely forced asymmetric two-dimensional bunsen flame. (English) Zbl 1519.80126
A moving-least-square immersed boundary method for rigid and deformable boundaries in viscous flow. (English) Zbl 1488.65252
A simple and efficient implicit direct forcing immersed boundary model for simulations of complex flow. (English) Zbl 1446.76050
An immersed boundary-based large-eddy simulation approach to predict the performance of vertical axis tidal turbines. (English) Zbl 1390.76606
A DFFD simulation method combined with the spectral element method for solid-fluid-interaction problems. (English) Zbl 1378.76045
An adaptive reconstruction for Lagrangian, direct-forcing, immersed-boundary methods. (English) Zbl 1375.76132
MSC:
76M25
76D05
An analysis and an affordable regularization technique for the spurious force oscillations in the context of direct-forcing immersed boundary methods. (English) Zbl 1443.65155
A DF-IBM/NSCD coupling framework to simulate immersed particle interactions. (English) Zbl 1439.74405
DNS of unsteady effects on the control of laminar separated boundary layers. (English) Zbl 1408.76313
Does the choice of the forcing term affect flow statistics in DNS of turbulent channel flow? (English) Zbl 1408.76326
A comparative study of Brinkman penalization and direct-forcing immersed boundary methods for compressible viscous flows. (English) Zbl 1390.76611
A moving-least-squares immersed boundary method for simulating the fluid-structure interaction of elastic bodies with arbitrary thickness. (English) Zbl 1375.74031
Immersed boundary method with non-uniform distribution of Lagrangian markers for a non-uniform Eulerian mesh. (English) Zbl 1351.76201
A pre-conditioned implicit direct forcing based immersed boundary method for incompressible viscous flows. (English) Zbl 1349.76521
Dielectrophoretic motions of multiple particles under an alternating-current electric field. (English) Zbl 1408.76533
On the immersed boundary method: finite element versus finite volume approach. (English) Zbl 1390.65105
Response characteristics of vortex around the fixed and freely rotating rectangular cylinder with different width to height ratios. (English) Zbl 1391.76134
A non-iterative direct forcing immersed boundary method for strongly-coupled fluid-solid interactions. (English) Zbl 1349.76556
Dielectrophoretic motion of two particles with diverse sets of the electric conductivity under a uniform electric field. (English) Zbl 1391.76423
A second order penalized direct forcing for hybrid Cartesian/immersed boundary flow simulations. (English) Zbl 1391.76419
A direct heating immersed boundary-lattice Boltzmann method for thermal flows. (English) Zbl 1356.76270
MSC:
76M28
A second-order accurate immersed boundary-lattice Boltzmann method for particle-laden flows. (English) Zbl 1349.76758
Simulation of two-phase flow-body interaction problems using direct forcing/fictitious domain-level set method. (English) Zbl 1455.76193
Two-dimensional dipolophoretic motion of a pair of ideally polarizable particles under a uniform electric field. (English) Zbl 1408.78003
MSC:
78A35
A direct forcing immersed boundary method employed with compact integrated RBF approximations for heat transfer and fluid flow problems. (English) Zbl 1356.76069
MSC:
76D05
76M25
On the numerical oscillation of the direct-forcing immersed-boundary method for moving boundaries. (English) Zbl 1365.76180
Numerical prediction of hydrodynamic loading on circular cylinder array in oscillatory flow using direct-forcing immersed boundary method. (English) Zbl 1251.76029
MSC:
76M15
A simple and efficient direct forcing immersed boundary framework for fluid-structure interactions. (English) Zbl 1351.74025
Simulations of natural and forced convection flows with moving embedded object using immersed boundary method. (English) Zbl 1243.76072
LES investigation of the flow through an effusion-cooled aeronautical combustor model. (English) Zbl 1303.76057
A direct-forcing immersed boundary method for the thermal lattice Boltzmann method. (English) Zbl 1271.76265
A pressure correction method for fluid-particle interaction flow: direct-forcing method and sedimentation flow. (English) Zbl 1426.76395
A class of Cartesian grid embedded boundary algorithms for incompressible flow with time-varying complex geometries. (English) Zbl 1431.76040
A direct-forcing pressure-based lattice Boltzmann method for solving fluid-particle interaction problems. (English) Zbl 1339.76045
Large eddy simulation of the sensitivity of vortex breakdown and flame stabilisation to axial forcing. (English) Zbl 1432.76120
Steady and time-periodic blowing/suction perturbations in a turbulent channel flow. (English) Zbl 1283.76027
A novel numerical forcing for homogeneous stratified turbulence in full energy equilibrium. (English) Zbl 1245.76031
Penalized direct forcing and projection schemes for Navier-Stokes. (Méthode de forçage direct pénalisé et schémas de projection pour Navier-Stokes.) (English) Zbl 1205.35185
On the accuracy of direct forcing immersed boundary methods with projection methods. (English) Zbl 1423.76337
MSC:
76M25
35Q30
Hybrid LES-RANS: back scatter from a scale-similarity model used as forcing. (English) Zbl 1185.76718
MSC:
76F65
Immersed boundary method for the simulation of 2D viscous flow based on vorticity-velocity formulations. (English) Zbl 1252.76054
Comparative study of vorticity and material lines evolution in numerical turbulence. (English) Zbl 1143.76029
MSC:
76F65
Passive scalar statistics in a turbulent channel with local time-periodic blowing/suction at walls. (English) Zbl 1143.76448
On the consistency of the direct forcing method in the fractional step solution of the Navier-Stokes equations. (English) Zbl 1388.76244
MSC:
76M25
76D05
A modified immersed boundary method for simulations of fluid-particle interactions. (English) Zbl 1169.76413
A direct-forcing fictitious domain method for particulate flows. (English) Zbl 1280.76052
MSC:
76M25
The Chase radical and reduced products. (English) Zbl 1128.20040
Reviewer: Simion Sorin Breaz (Cluj-Napoca)
A hybrid immersed-boundary and multi-block lattice Boltzmann method for simulating fluid and moving-boundaries interactions. (English) Zbl 1110.76042
Products over countable domains. (English) Zbl 1200.20037
Duisburg-Essen: Univ. Duisburg-Essen, Fachbereich für Mathematik (Diss.). 91 p. (2005).
Hybrid LES-RANS: an approach to make LES applicable at high Reynolds number. (English) Zbl 1184.76692
Large eddy simulation of turbulent flows in complex and moving rigid geometries using the immersed boundary method. (English) Zbl 1072.76035
A general reconstruction algorithm for simulating flows with complex 3D immersed boundaries on Cartesian grids. (English) Zbl 1134.76406
Numerical investigations of heat transfer mechanism in the forced laminar wall jet. (English) Zbl 1010.76025
Energy transfer in two-dimensional magnetohydrodynamic turbulence: Formalism and numerical results. (English) Zbl 1031.76022
Direct simulation of turbulent supersonic boundary layers by an extended temporal approach. (English) Zbl 1007.76031
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