*EOS_GRUNEISEN

LS-DYNA Input Interface KeywordDefines a Gruneisen equation of state.

Format

(1) (2) (3) (4) (5) (6) (7) (8)
*EOS_GRUNEISEN
eos_ID C S1 S2 S3 GAMMA0 E0 ALPHA
Rho0

Definition

Field Contents SI Unit Example
eos_ID Material identifier.

(Integer)

C Sound speed.

(Real)

[ m s ] MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaamWaaeaada Wcaaqaaiaab2gaaeaacaqGZbaaaaGaay5waiaaw2faaaaa@39DE@
S1 First material constant.

(Real)

S2 Second material constant.

(Real)

S3 Third material constant.

(Real)

GAMMA0 Linear energy coefficient.
ALPHA Nonlinear energy coefficient.
E0 Initial energy per unit volume. [ J m 3 ]
Rho0 Reference density. [ kg m 3 ]

Comments

  1. This keyword maps to /EOS/GRUNEISEN.
  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.