*EOS
*EOS
Specify an equation of state model.
This option is used to define a hydrodynamic material model in the form of an equation of state.
Reference:
Required parameter
Required parameter:
TYPESet TYPE=IDEAL GAS for an ideal gas equation of state.
Set TYPE=JWL for an explosive equation of state; if this equation of state is used, the *DETONATION POINT option is required.
Set TYPE=USUP for a linear equation of state.
Data line for an ideal gas equation of state (TYPE=IDEAL GAS)
Data line for an ideal gas equation of state (TYPE=IDEAL GAS):
Gas constant, . (Units of JM1K1.)
The ambient pressure, (Units of FL2). If this field is left blank, a default of is used.
Data line for an explosive equation of state (TYPE=JWL)
Data line for an explosive equation of state (TYPE=JWL):
Detonation wave speed, . (Units of LT1.)
. (Dimensionless.)
. (Dimensionless.)
. (Dimensionless.)
Pre-detonation bulk modulus, . (Units of FL2.)
Data line for a linear equation of state (TYPE=USUP)
Data line for a linear equation of state (TYPE=USUP):
. (Dimensionless.)
. (Dimensionless.)