*EOS_001 (LINEAR_POLYNOMIAL)

LS-DYNA Input Interface KeywordDefines a linear polynomial equation of state.

Format

(1) (2) (3) (4) (5) (6) (7) (8)
*EOS_001 or *EOS_LINEAR_POLYNOMIAL
EOS_ID C0 C1 C2 C3 C4 C5
E0 V0

Definition

Field Contents SI Unit Example
EOS_ID Equation of State identifier.

(Integer)

C0, C1, C2, C3 Hydrodynamic pressure law coefficient.

(Real)

[ Pa ]
C4, C5 Energy pressure law coefficient.

(Real)

E0 Initial internal energy per unit reference volume.

(Real)

[ J m 3 ]
V0 Initial relative volume.

(Real)

Comments

  1. This keyword maps to /MAT/LAW6 (HYDRO or HYD_VISC) and /EOS/POLYNOMIAL.
  2. The option “_TITLE” can be added to the end of this keyword. When “_TITLE” is included, an extra 80 characters long line is added after the keyword input line which allows an entity title to be defined.