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Special Gravitational IPS Units
The base units in the Gravitational IPS unit system are identical to the SI units with the following exceptions:
Table 3-25:
Special Base Units in the Gravitational IPS Unit System.
Base quantity
name
symbol
Comment
length
inch
in
mass
GIPS_mass
N/A
temperature
Fahrenheit
degF
For the Gravitational IPS unit system
temperature
Rankine
R or Ra
For the Gravitational IPS (Rankine) unit system
The following derived units differ from the corresponding SI units:
Table 3-26:
Derived Gravitational IPS Units in COMSOL.
Derived quantity
name
symbol
force
pound-force
lbf
pressure
psi
psi