GiD - The personal pre and post processor

unit_magnitude

<unit_magnitude>

It can contain the following fields: <unit>
The parameters are as follows,
n - Name used to reference the field, especially when writing the .dat file.
pn - Label that will be visualized by the user. It can be translated.
default - Default unit for a specific magnitude.
SI_base -Unit based in the international system units for a specific magnitude.
active - It is the default unit shown in the user interface, for a specific magnitude.


Defining magnitudes and units


The attributes involved in any field of the .spd file are 'unit_magnitude' and 'units'.

  • unit_magnitude: Its value relates to the name 'n' used to reference the unit field. Please see the table below for a complete list of all the names available.
  • units: Its value is the default unit shown in the GUI, which could be changed, if desired.

Some functions are useful for writing data with units defined into the calculation file. For more information about this issue, see the section called Writing the input file for calculation.


Example:


<value n="ini_temp" pn="Initial temperature" v="20.0" unit_magnitude="Temp" units="°C"/>


Note: For instance, it is convenient to change magnitudes like unit_magnitude="F/L^2" by unit_magnitude="P".


The table below gives a summary of the names used for all unit magnitudes available.

pn

n

Unit by default

Length

L

m

Mass

M

kg

Time

T

s

Temperature

Temp

K

Frequency

Frequency

Hz

Force

F

N

Pressure

P

Pa

Energy

Energy

J

Power

Power

W

Angle

Angle

rad

Solid_angle

Solid_angle

sr

Velocity

Velocity

m/s

Acceleration

Acceleration

m/s^2

Area

Area

m^2

Volume

Volume

m^3

Density

Density

kg/m^3

Electric current

Electric_current

A

Amount of substance

Amount_of_substance

mol

Luminous intensity

Luminous_intensity

cd

Electric charge

Electric_charge

C

Electric potential

Electric_potential

V

Capacitance

Capacitance

F

Electric resistance

Electric_resistance

?

Electric conductance

Electric_conductance

S

Magnetic flux

Magnetic_flux

Wb

Magnetic flux density

Magnetic_flux_density

T

Inductance

Inductance

H

Delta phi

DeltaPhi

Δφ

Delta temperature

DeltaTemp

ΔK

Luminous flux

Luminous_flux

lm

Illuminance

Illuminance

lx

KinematicViscosity

KinematicViscosity

m^2/s

Viscosity

Viscosity

Pa*s

Permeability

Permeability

m^2


The default magnitudes and conversion factors could be seen at the file scripts\customLib\customLib\units.xml

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