Units
Units provide a way to connect LB units to real ones. Currently, there are several units defined in the code. There are
Defined units:
Unit |
Meaning |
m |
meter |
s |
second |
kg |
kilogram |
K |
Kelvin |
A |
Amper |
t |
Second time scale, needed in EOF in steady state simulations |
x,y,z |
Artificial units(?) |
Derrived units:
Unit |
Definition |
Meaning |
N |
1kgm/s2 |
Newton |
Pa |
1N/m2 |
Pascal |
J |
1Nm |
Joul |
W |
1J/s |
Watt |
V |
1kgm2/t3/A |
Volt |
C |
1tA |
Coulomb |
Prefixes:
Prefix |
Definition |
Meaning |
nm |
1e-9m |
nanometre |
um |
1e-6m |
micrometre |
cm |
1e-2m |
centimetre |
km |
1e+3m |
kilometre |
h |
3600s |
hour |
ns |
1e-9s |
nanosecond |
us |
1e-6s |
microsecond |
ms |
1e-3s |
milisecond |
mg |
1e-6s |
miligram |
g |
1e-3s |
gram |
An |
6.02e+23 |
Avogadro number |
d |
atan(1.)*4./180 |
degree |
Defining units
It is possible to define new units
Using gauge