Examples of Engine File for Implicit Analysis

---

Linear Static Analysis

# RADIOSS ENGINE

/TITLE

Implicit linear computation

/RUN/PLABUCK/1

0.1

/VERS/140

/TFILE

0.0001

/PROC/1

/PRINT/-1

/ANIM/DT

0. 0.01

 

/IMPL/PRINT/LINEAR/-100

#Linear solver method (Direct solver MUMPS)

/IMPL/SOLVE/2

# Iprec It_max Itol Tol

5 0 3 0.0

#    1  0  0  0.

/IMPL/BUCKL/1

1.0e-10 0. 20 2 0 1.e-4

 

/ANIM/VECT/DISP

/ANIM/ELEM/ENER

/ANIM/ELEM/EPSP

/ANIM/ELEM/VONM

/ANIM/TENS/STRESS/MEMB

/ANIM/TENS/STRESS/BEND

/ANIM/GZIP

/MON/ON

 

Nonlinear Static Analysis

# RADIOSS ENGINE

/TITLE

Implicit computation

/VERS/140

/RUN/pcompp_rad_s1/1

0.1000000E+01

/ANIM/DT

0.0000000E+00 0.1000000E+00

/TFILE

0.1000000E-01

/RFILE

5000

/PRINT/-1

 

/MON/ON

/ANIM/VECT/DISP

/ANIM/ELEM/EPSP

/ANIM/GZIP

 

#-------------------------------------------------------

# STATIC Non-Linear IMPLICIT OPTIONS #

#-------------------------------------------------------

# Printout frequency for nonlinear computation:

/IMPL/PRINT/NONL/-1

# Static nonlinear computation (modified Newton method):

/IMPL/NONLIN/1

# L_a Itol Tol

0 2 0.5000000E-01

# Linear solver method (Mix):

/IMPL/SOLVER/5

 

#Initial timestep:

/IMPL/DTINI

0.1000000E+00

# Min-max values for timestep:

/IMPL/DT/STOP

# Dt_min Dt_max

0.1000000E-04 0.3000000E+00

# Timestep control method 2 (arc-length + line-search):

/IMPL/DT/2

# It_w L_arc L_dtn Scal_dtn Scal_dtp_max

6 0.0000000E+00         20 0.6700000E+00 0.1100000E+01

 

/END/ENGINE