/UNIT

Block Format Keyword Defines a local unit system for the keywords listed below.

Format

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
/UNIT/unit_ID
unit_title
mass_unit length_unit time_unit        

Definitions

Field Contents SI Unit Example
unit_ID (Optional) Unit Identifier.

(Integer, maximum 10 digits)

 
unit_title Local unit system title.

(Character, maximum 100 characters)

 
mass_unit Local unit system multiplying factor for mass.

(Real) or code

 
length_unit Local unit system multiplying factor for length.

(Real) or code

 
time_unit Local unit system multiplying factor for time.

(Real) or code

 

Comments

  1. The unit keyword works in conjunction with the Input Units System. An Input Units System (keyword: /BEGIN) has to be defined in the input deck.
  2. A unit factor must be defined for mass, length and time.
  3. Supported codes are defined under the /BEGIN table.
  4. Local units system is optional and it is compatible with all the field unit_ID at the end of the keyword line (example, /MAT/LAW50/mat_ID/unit_ID).
  5. Each of the keywords listed above can be input in its own unit system, which will then be converted to the Input Units System of the input deck, using the multiplying factors that are provided in this format.
    For example:
    
    Global unit for mass defined in kg_m_s:
    /BEGIN/ 
    EXAMPLE_UNIT
    #---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
    /BEGIN
    EXAMPLE_UNIT
    140         0
               kg                   m                   s
               kg                   m                   s
    #---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
    Local unit for mass for a particular option defined in g_m_s:
    #---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
    /UNIT/1
    Unit_grams
    #              MUNIT               LUNIT               TUNIT
                     g                   m                   s
    #---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
    Use of defined local units for a particular option. In this example use this local unit for /ACCEL with unit_ID=1:
    #/ACCEL/accel_ID/unit_ID
    /ACCEL/1/1