Increment density value of certain cells by a constant amount (no replies)
How to increase the density value of certain cells( may include boundary) by a constant amount in a lattice after each collision and streaming process? If some data processors can be implemented for...
View ArticlePermeable media - setting porosity values (no replies)
Hi, I'm rather new to the LBM (as well as Palabos) concept. I'm trying to evaluate the fine-scale permeability of rocks with multiple facies: voids, impermeable solids and permeable solids. The key...
View Articleadd WallParticles with a boolean mask (no replies)
Hi all, I am simulating the particle moving inside a lattice domain definited with a boolean mask (as in the permeability example with variable "geometry"). Now, I would add WallParticles in the cells...
View Articledynamic Smagorinsky model (no replies)
Hello everyone, I'm wondering if anyone has used the dynamic LES implantation in palabos (the files are under "complexDynamics" folder) and could help me understand how to use it and call the solver....
View ArticleHeat transfer in solids (1 reply)
Hi! I'm wondering if I can do conjugate heat transfer in Palabos, that is heat transfer in multiple solids in contact with each other and in contact with a fluid. Also, does Palabos have the...
View ArticleHelp with GeneralExternalFlow (no replies)
Hi everyone, I'm a new user of Palabos and I am kinda lost with some of the terms and their meaning in the simulation, or how can they affect to it. I am doing the GeneralExternalFlow tutorial, since...
View ArticleHow to setup the velocity and pressure of the fluid flow in 3D (no replies)
Hi friends, I am a newbie. I am having the issue about "how to setup the velocity and pressure of the fluid flow in 3D model". Could you provide me some example or comment about this. Your helps are...
View ArticleEstimating computer resources for LBM - multiphase, chemically reacting,...
Hello folks, I'm relatively new to this technique and to intensive computation. Could you point me to any resources that would help me to estimate the computer resources needed for LBM problems, such...
View ArticlePalabos LBM Wiki Fortran90 Code (no replies)
Hello, This is about Palabos LBM Wiki Fortran90 code (http://wiki.palabos.org/numerics:codes). It seems that the code is very unstable when Reynolds number is high (even with Re=30 and xDim=250,...
View Article2-Way Dynamics on Rigid Bodies? (4 replies)
Hello all, I am new to Palabos, and wanted to quickly ask about a specific capability before diving in. There are a number of two-phase demonstrations of Palabos modelling geometries that act on a...
View ArticleModification of variables (no replies)
Hello, everyone. Can anybody help me to understand the meaning of modified[0] and modified[1] and so on. For example, if the position of modif::dataStructure and modified[1] = modif::nothing exchanges...
View ArticleImplementation of Wall B.C. for ScalarField (5 replies)
Hello, I'm new with Palabos. In my test case, there is a scalar field beside the multi-block lattice field. Then, I've applied BounceBack B.C. for lattice field and I have to implement wall B.C. for...
View ArticleProblems with .stl import (no replies)
Hello all, I am a new user here and I am trying to implement a flow around a geometry. I am using the showcase externalFlowAroundObstacle to import a .stl file , but I am receiving the following...
View Articlememory requirement - std::bad_alloc (2 replies)
Hello, I am using PALABOS for simulating single fluid in porous media in 3D. I have a large dataset with 100 000 000 lattices. I was not able to run this dataset. I received the following error:...
View ArticleFlow in a pipe: stability issues (4 replies)
Hello, I am trying to set-a flow in a 3D circular pipe based one the aneurysm bounceback case (especially for the boundary conditions). I have a poiseuille flow at the inlet with a Reynolds number of...
View ArticleLattice requirement for wall driven flow (no replies)
Hi, I am trying to set a flow in a 3D circular pipe based one the aneurysm bounceback case (especially for the boundary conditions). I have a poiseuille flow at the inlet and bounce back boundary...
View ArticleTwoPhaseModel3D (no replies)
Hi, Does anybody know what reference(s) is(are) used by developers of Palabos for coding the "TwoPhaseModel3D.hh"? I'd like to understand the example "dam break simulation" which is developed by using...
View ArticlePump showcase example (2 replies)
Hello all, I was wondering if there was an example .cpp template for the pump showcased in this video? [www.youtube.com] Much appreciated if you have a source!
View Articleto continue running of a case stopped! (2 replies)
Hello, Does anybody know is it possible to continue running of a test case after it has been stopped because of a reason, like power off the computer etc.? I'd like to simulate a massive parallel test...
View ArticleA question about non_Local dynamic (no replies)
Dear all, Recently, I want to write a dynamic which is based on vorticity, but I can't find a class which can solve my question. So I attribute a new (T) value to Cell class, and use...
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