[ESPResSo-users] How to enable lattice Boltzmann hydrodynamics?

[Chunda Zhou]

Hi guys, 

I try add some water and added two lines " lbboundary wall dist 1.5 normal 1. 0. 0.
lbfluid agrid 1.0 dens 0.1 visc 1.0 tau 15.0 friction 0.01" in my script. But it said: "104 LB requires no Verlet Lists". What does this mean? I had disabled the thermostat. The full list of error is the following:

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=               ESPResSo Tutorial                     =
=          Learning ESPResSo in 10 steps              =
=======================================================
 
ESPResSo: 3.0.0
{ Compilation status { FFTW } { LJ_WARN_WHEN_CLOSE } { ELECTROSTATICS } { DIPOLES } { MASS } { CONSTRAINTS } { LENNARD_JONES } { LENNARD_JONES_GENERIC } { LJ_ANGLE } { SMOOTH_STEP } { SOFT_SPHERE } { LJCOS } { BOND_ANGLE_COSINE } { NEMD } { NPT } { DPD } { DPD_MASS_RED } { LB } }
{ Debug status { } }
Simulate PE Solution N=82 at density 0.005
Simulation box: 403.30593504362076
background_errors 0 {104 LB requires no Verlet Lists} 
    while executing
"lbfluid agrid 1.0 dens 0.1 visc 1.0 tau 15.0 friction 0.01"
    (file "ac8.tcl" line 174)

Thanks. 

-- 
Chunda Zhou
Department of Physics
NCSU
Office phone: 919-513-3914
Cell phone: 919-995-5631