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    block this user An-Ping Li

    Research Fellow

    Beijing 100085, P.R.China

    Simulation Of A Systolic Cycle In A Realistic Artery With The Lattice Boltzmann Bgk Method

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    Introduction Recently, we have investigated the accuracy of the LBGK model in recovering analytical Womersley solutions for oscillatory two dimensional channel flow and three dimensional tube flow, covering a range of Womersley and Reynolds numbers. We demonstrated that LBGK is accurate enough to simulate time-dependent fluid flows, such as blood flow in arteries. 1 As a next step, the D3Q19 quasi incompressible LBGK model is used to simulate systolic flow in a rigid tube and in a model of the human abdominal aorta. 2. Simulations 2.1. Systolic flow in a tube The main objective for this benchmark is to test the accuracy of the simple bounceback rule against a curved boundary condition recently proposed by Bouzidi et al. Although it is known that the bounce-back rule is first order accurate while most curved boundary conditions are claimed to be of second order, the bounce-back rule is still more attractive for its simplicity and exact mass conservation. We test the errors asso

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    Title : Simulation Of A Systolic Cycle In A Realistic Artery With The Lattice Boltzmann Bgk Method
    Abstract : Introduction Recently, we have investigated the accuracy of the LBGK model in recovering analytical Womersley solutions for oscillatory two dimensional channel flow and three dimensional tube flow, covering a range of Womersley and Reynolds numbers. We demonstrated that LBGK is accurate enough to simulate time-dependent fluid flows, such as blood flow in arteries. 1 As a next step, the D3Q19 quasi incompressible LBGK model is used to simulate systolic flow in a rigid tube and in a model of the human abdominal aorta. 2. Simulations 2.1. Systolic flow in a tube The main objective for this benchmark is to test the accuracy of the simple bounceback rule against a curved boundary condition recently proposed by Bouzidi et al. Although it is known that the bounce-back rule is first order accurate while most curved boundary conditions are claimed to be of second order, the bounce-back rule is still more attractive for its simplicity and exact mass conservation. We test the errors asso
    Subject : unspecified
    Area : Mathematics
    Language : English
    Affiliations
    Url : http://ejournals.wspc.com.sg/ijmpb/17/1701n02/../preserved-docs/1701n02/S0217979203017138.pdf
    Doi : 10.1.1.58.6114

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    An-Ping's Peer Evaluation activity

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