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Keywords: immersed boundary method
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Journal Articles

A Combined Volume of Fluid and Immersed Boundary Method for Modeling of Two-Phase Flows With High Density Ratio

Qiu Jin, Dominic Hudson, W. Geraint Price
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. March 2022, 144(3): 031402.
Paper No: FE-21-1144
https://doi.org/10.1115/1.4052242
Published Online: September 27, 2021
...Qiu Jin; Dominic Hudson; W. Geraint Price A combined volume of fluid and immersed boundary method is developed to simulate two-phase flows with high density ratio. The problems of discontinuity of density and momentum flux are known to be challenging in simulations. In order to overcome...
View Article titled, A Combined Volume of Fluid and <span class="search-highlight">Immersed</span> <span class="search-highlight">Boundary</span> <span class="search-highlight">Method</span> for Modeling of Two-Phase Flows With High Density Ratio
Open the PDF for A Combined Volume of Fluid and <span class="search-highlight">Immersed</span> <span class="search-highlight">Boundary</span> <span class="search-highlight">Method</span> for Modeling of Two-Phase Flows With High Density Ratio in another window
Topics: Density, Drops, Errors, Fluids, Two-phase flow, Momentum, Flow (Dynamics), Simulation, Convection
Journal Articles

Fluid–Structure Interaction Study and Flowrate Prediction Past a Flexible Membrane Using Immersed Boundary Method and Artificial Neural Network Techniques

Mithun Kanchan, Ranjith Maniyeri
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. May 2020, 142(5): 051501.
Paper No: FE-19-1564
https://doi.org/10.1115/1.4045575
Published Online: February 3, 2020
... to these applications are challenging to numerically implement. In this direction, techniques like immersed boundary method (IBM) have been successful. In this study, two-dimensional numerical simulation of flexible membrane fixed at two end points in a rectangular channel subjected to uniform fluid flow is carried out...
View Article titled, Fluid–Structure Interaction Study and Flowrate Prediction Past a Flexible Membrane Using <span class="search-highlight">Immersed</span> <span class="search-highlight">Boundary</span> <span class="search-highlight">Method</span> and Artificial Neural Network Techniques
Open the PDF for Fluid–Structure Interaction Study and Flowrate Prediction Past a Flexible Membrane Using <span class="search-highlight">Immersed</span> <span class="search-highlight">Boundary</span> <span class="search-highlight">Method</span> and Artificial Neural Network Techniques in another window
Topics: Artificial neural networks, Membranes, Deformation, Stiffness, Fluids, Fluid structure interaction
Journal Articles

Effective Geometric Algorithms for Immersed Boundary Method Using Signed Distance Field

Chenguang Zhang, Chunliang Wu, Krishnaswamy Nandakumar
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. June 2019, 141(6): 061401.
Paper No: FE-18-1321
https://doi.org/10.1115/1.4041758
Published Online: December 10, 2018
...Chenguang Zhang; Chunliang Wu; Krishnaswamy Nandakumar We present three algorithms for robust and efficient geometric calculations in the context of immersed boundary method (IBM), including classification of mesh cells as inside/outside of a closed surface, projection of points onto a surface...
View Article titled, Effective Geometric Algorithms for <span class="search-highlight">Immersed</span> <span class="search-highlight">Boundary</span> <span class="search-highlight">Method</span> Using Signed Distance Field
Open the PDF for Effective Geometric Algorithms for <span class="search-highlight">Immersed</span> <span class="search-highlight">Boundary</span> <span class="search-highlight">Method</span> Using Signed Distance Field in another window
Topics: Algorithms, Errors, Flow (Dynamics), Cylinders, Fluids, Fluid structure interaction
Journal Articles

Flows Through Reconstructed Porous Media Using Immersed Boundary Methods

Krishnamurthy Nagendra, Danesh K. Tafti
Journal: Journal of Fluids Engineering
Article Type: Special Section Articles
J. Fluids Eng. April 2014, 136(4): 040908.
Paper No: FE-13-1081
https://doi.org/10.1115/1.4026102
Published Online: February 28, 2014
... flows further, an immersed boundary method (IBM) framework capable of simulating flows through arbitrary surface contours is used in conjunction with a stochastic reconstruction procedure based on simulated annealing. The developed framework is tested in a two-dimensional channel with two types...
View Article titled, Flows Through Reconstructed Porous Media Using <span class="search-highlight">Immersed</span> <span class="search-highlight">Boundary</span> <span class="search-highlight">Methods</span>
Open the PDF for Flows Through Reconstructed Porous Media Using <span class="search-highlight">Immersed</span> <span class="search-highlight">Boundary</span> <span class="search-highlight">Methods</span> in another window
Topics: Flow (Dynamics), Porous materials, Pressure drop, Simulation, Particulate matter
Journal Articles

Level Set, Phase-Field, and Immersed Boundary Methods for Two-Phase Fluid Flows

Haobo Hua, Jaemin Shin, Junseok Kim
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. February 2014, 136(2): 021301.
Paper No: FE-13-1360
https://doi.org/10.1115/1.4025658
Published Online: November 22, 2013
...: Samuel Paolucci. 07 06 2013 08 10 2013 In this paper, we review and compare the level set, phase-field, and immersed boundary methods for incompressible two-phase flows. The models are based on modified Navier–Stokes and interface evolution equations. We present the basic concepts...
View Article titled, Level Set, Phase-Field, and <span class="search-highlight">Immersed</span> <span class="search-highlight">Boundary</span> <span class="search-highlight">Methods</span> for Two-Phase Fluid Flows
Open the PDF for Level Set, Phase-Field, and <span class="search-highlight">Immersed</span> <span class="search-highlight">Boundary</span> <span class="search-highlight">Methods</span> for Two-Phase Fluid Flows in another window
Topics: Density, Drops, Fluids, Pressure, Surface tension, Viscosity, Navier-Stokes equations, Two-phase flow, Fluid dynamics, Deformation
Journal Articles

Effect of Axis Ratio on Fluid Flow Around an Elliptic Cylinder—A Numerical Study

S. Kalyana Raman, K. Arul Prakash, S. Vengadesan
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. November 2013, 135(11): 111201.
Paper No: FE-12-1564
https://doi.org/10.1115/1.4024862
Published Online: August 7, 2013
... ranging from 50 to 500 with axis ratio (AR) varied between 0.1 to 1.0 in steps of 0.1. Immersed boundary method is used for the solid boundary condition implementation which avoids the grid generation for each AR and a single Cartesian grid is used for all the simulations. The effect of AR for various...
View Article titled, Effect of Axis Ratio on Fluid Flow Around an Elliptic Cylinder—A Numerical Study
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Topics: Cylinders, Drag (Fluid dynamics), Fluid dynamics, Wakes, Vortex shedding, Flow (Dynamics)
Journal Articles

Influence of Rounded Corners on Flow Interference Due to Square Cylinders Using Immersed Boundary Method

M. B. Shyam Kumar, S. Vengadesan
Journal: Journal of Fluids Engineering
Article Type: Fundamental Issues And Canonical Flows
J. Fluids Eng. September 2012, 134(9): 091203.
https://doi.org/10.1115/1.4007015
Published Online: August 22, 2012
... at Re=100 Representation of a circular cylinder in immersed boundary method ( a ), ( b ) Time averaged surface pressure coefficient over an isolated circular and square cylinder at Re=150, respectively ( a ), ( b ) Instantaneous...
View Article titled, Influence of Rounded Corners on Flow Interference Due to Square Cylinders Using <span class="search-highlight">Immersed</span> <span class="search-highlight">Boundary</span> <span class="search-highlight">Method</span>
Open the PDF for Influence of Rounded Corners on Flow Interference Due to Square Cylinders Using <span class="search-highlight">Immersed</span> <span class="search-highlight">Boundary</span> <span class="search-highlight">Method</span> in another window
Topics: Corners (Structural elements), Cylinders, Flow (Dynamics)