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*REACTION RATE
Define the reaction rate for an ignition and growth equation of state.

This option is used to define the reaction rate for an ignition and growth equation of state. It is required when the *EOS, TYPE=IGNITION AND GROWTH option is used. The *REACTION RATE option should appear immediately after the *EOS or the *GAS SPECIFIC HEAT option.

Products: Abaqus/Explicit  Abaqus/CAE  

Type: Model data

Level: Model  

Abaqus/CAE: Property module

Reference:
There are no parameters associated with this option.

Data lines to define the reaction rate: 

First line:

  1. Initial pressure, I. (Units of T–1.)

  2. Product covolume, a. (Dimensionless.)

  3. Exponent on the unreacted fraction (ignition term), b. (Dimensionless.)

  4. Exponent (ignition term), x. (Dimensionless.)

  5. First burn rate coefficient, . (Units of T–1.)

  6. Exponent on the unreacted fraction (growth term), c. (Dimensionless.)

  7. Exponent on the reacted fraction (growth term), d. (Dimensionless.)

  8. Pressure exponent (growth term), y. (Dimensionless.)

Second line:

  1. Second burn rate coefficient, . (Units of T–1.)

  2. Exponent on the unreacted fraction (completion term), e. (Dimensionless.)

  3. Exponent on the reacted fraction (completion term), g. (Dimensionless.)

  4. Pressure exponent (completion term), z. (Dimensionless.)

  5. Initial reacted fraction, . (Dimensionless.)

  6. Maximum reacted fraction for the growth term, . (Dimensionless.)

  7. Minimum reacted fraction for the completion term, . (Dimensionless.)