units.sup

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! 06-Sep-98 I-01-18 benda  $$1  Added comments and CGS 
! 01-Oct-98 I-01-20 benda  $$2  Fixed slug's factor.
! 13-Oct-98 I-01-22 benda  $$3  Fixed basic set - replaced lbf with cvt.
! 29-Apr-02 J-03-24 benda  $$4  Fixed conversion numbers for kg, slug, N.
! 19-Mar-03 K-01-04 AKam   $$5  Added "millimeter Kilogram Sec (mmKs)"

! units.sup

! This is a comment
! Empty lines are legal

! Definitions of basic set of units

basic_set_unit length      in
BASIC_SET_UNIT mass        lbm
! The following force unit completes the basic set but is not a known standard unit.
basic_set_unit FORCE       cvt
BaSiC_SeT_UnIt time        sec
basic_set_unit temperature F
basic_set_unit angle       rad

! The first word is a 'command' - it is case insensitive.
! For this command the second word is a type designator -
! It must be one of length, mass, force, time, temperature, angle
! and may be case insensitive.
! The third word is a value which will be converted to a wide string.
! There must be one and only one of each basic unit defined.

! Definitions of standard units

standard_unit length m      39.370078740157481
standard_unit length cm     0.01               m
standard_unit length mm     0.001              m
standard_unit length micron 0.001              mm
standard_unit length mil    0.001
standard_unit length ft     12

standard_unit mass kg      2.204622622
standard_unit mass g       0.001        kg
standard_unit mass mg      0.001        g
standard_unit mass tonne   1000         kg
standard_unit mass ounce-m 0.0625
standard_unit mass slug    32.174048556
standard_unit mass ton-m   2000

standard_unit force lbf     386.088582677165
standard_unit force N       0.224808943 lbf
standard_unit force kN      1000      N
standard_unit force dyne    0.00001   N
standard_unit force kg-f    9.80665   N
standard_unit force ounce-f 0.0625    lbf
standard_unit force kip     1000      lbf
standard_unit force ton     2000      lbf

standard_unit time msec      0.001
standard_unit time micro-sec 0.001 msec
standard_unit time min       60
standard_unit time hr        60    min
standard_unit time day       24    hr
standard_unit time week      7     day

standard_unit temperature C 1.8 F  32
standard_unit temperature K 1   C -273.15
standard_unit temperature R 1   F -459.67

! Unit definitions begin with the command 'standard_unit' followed by four values
!  - new unit name,
!  - scaling float,
!  - reference unit name, and
!  - offset float.
! The offset value is set to 0.0 if missing.
! Type designator cannot be abbreviated (like temp instead of temperature).
! If the reference unit name is missing the basic set unit of the same type is used.

std_derived_unit stress Pa     N/m^2
std_derived_unit stress kPa    1e3 Pa
std_derived_unit stress MPa    1e6 Pa
std_derived_unit stress GPa    1e9 Pa
std_derived_unit stress psi    lbf/in^2
std_derived_unit stress ksi    1000 psi

std_derived_unit energy joule  N m
std_derived_unit energy kjoule 1000 joule
std_derived_unit energy erg    1e-7 joule

std_derived_unit power  W      joule/sec
std_derived_unit power  kW     1000 W
std_derived_unit power  MW     1000 kW
std_derived_unit power  mW     0.001 W

! std_derived_unit expects 3 arguments, namely type, new name, and a numerical-
! unit expression.

! Definitions of standard systems of units

standard_unit_system MLT "Meter Kilogram Second (MKS)"     m  kg    N    sec K rad
standard_unit_system MLT "Centimeter Gram Second (CGS)"    cm g     dyne sec C rad
standard_unit_system FLT "millimeter Newton Second (mmNs)" mm tonne N    sec C rad
standard_unit_system FLT "Foot Pound Second (FPS)"         ft slug  lbf  sec F rad
standard_unit_system FLT "Inch Pound Second (IPS)"         in -     lbf  sec F rad
standard_unit_system MLT "Inch lbm Second (Pro/E Default)" in lbm   -    sec F rad
standard_unit_system MLT "millimeter Kilogram Sec (mmKs)"  mm kg    -    sec C rad

! "-" means none.
! Order of definition is unimportant as long as all reference units are
! predefined. i.e. "MKS" system can be defined right after m, kg, N, sec,
! K and rad are defined.