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Help for implement Anechoic Condition

OpenLB – Open Source Lattice Boltzmann Code Forums on OpenLB General Topics Help for implement Anechoic Condition

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  • #1804
    josepedro
    Member

    Dear forum users,rnrnI want to implement a wall that have a anechoic condition.rnThis wall was presented in this article:rnNon-Reflecting Boundary Conditions for One-Step LBM Simulation of Aeroacoustics – 2006 (Kam)rnrnHow can I find the collide operation in OpenLB?

    #2222
    albert.mink
    Moderator

    Hi Jose,rnrncollide operation is situated in src/dynamics/lbHelpers.h but also in the corresponding lbHelpers2D.h and lbHelpers3D.hrnStandard BGK-collision is called:rn bgkCollision()rnrnDid you already found the boundary conditions, like bounce back, in our code?rnrnAlbert

    #2223
    Leaf
    Member
    Quote:
    Quote from josepedro on November 16, 2015, 21:00rnDear forum users,rnrnI want to implement a wall that have a anechoic condition.rnThis wall was presented in this article:rnNon-Reflecting Boundary Conditions for One-Step LBM Simulation of Aeroacoustics – 2006 (Kam)rnrnHow can I find the collide operation in OpenLB?

    rnrnrnHi, Josepedro,rn Here are all the model supported in OpenLB 0.9. The “”dynamics”” classes are mainly reloaded for collision model, and “”momenta”” for macro parameters model, like density, velocity. You can check the most similar class name to your boundary model to see if it meets your need.rnhttp://pan.baidu.com/s/1kTuA56Z password:0nghrnhttp://pan.baidu.com/s/1bnsjbmJ password:8o48

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