While essentially unitless, Local Simulation has been written to follow the mm/kg/J/s standard for units. The user may use an equivalent system of units after ensuring the relations are consistent. A brief list of the primary input and output variables is given with their associated units.
Angle o (Degrees)
Convection W/(mm2 oC)
Density kg/mm3
Displacement mm
Elastic (Young's) Modulus N/mm2
Hatch spacing mm
Laser absorptivity coefficient W/W (unitless)
Laser radius mm
Laser power W
Latent heat J/kg
Position mm
Specific heat capacity J/(kg oC)
Strain mm/mm (unitless)
Temperature oC
Thermal conductivity W/(mm oC)
Thermal emissivity W/W (unitless)
Thermal expansion coefficient µm /( µm oC) (or 1/oC)
time s
Velocity mm/s
Yield strength MPa