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FEM_SolverMystran.md

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  • GuiCommand: Name:FEM SolverMystran MenuLocation:Solve → Solver Mystran Workbenches:FEM Shortcut:S M Version:0.20 SeeAlso:FEM tutorial

FEM SolverMystran

Description

The SolverMystran command enables usage of the MYSTRAN solver. It may be used for:

  1. Setting analysis parameters
  2. Selecting working directory
  3. Running the MYSTRAN solver

Usage

ToDo

File function

Under Mod\Fem\femsolver\mystran, there are these files:

add_con_displacement.py
add_con_fixed.py
add_con_force.py
add_femelement_geometry.py
add_femelement_material.py
add_mesh.py
add_solver_control.py
writer.py
solver.py
tasks.py

The function of each file are:

writer.py - main control file

model = BDF()
model = add_solver_control.add_solver_control(pynasf, model, self)
model = add_femelement_geometry.add_femelement_geometry(pynasf, model, self)
model = add_mesh.add_mesh(pynasf, model, self)
model = add_femelement_material.add_femelement_material(pynasf, model, self)
model = add_con_fixed.add_con_fixed(pynasf, model, self)
model = add_con_displacement.add_con_displacement(pynasf, model, self)
model = add_con_force.add_con_force(pynasf, model, self)

BDF() - Create empty case file.

$pyNastran: version=msc
$pyNastran: punch=False
$pyNastran: encoding=utf-8
$pyNastran: nnodes=0
$pyNastran: nelements=0
ENDDATA

add_solver_control.py - Adding EXECUTIVE CONTROL DECK and CASE CONTROL DECK.

$EXECUTIVE CONTROL DECK
SOL 101
CEND
$CASE CONTROL DECK
ECHO = NONE
TITLE = pyNastran for generating solverinput for for Mystran
SUBCASE 1
    DISPLACEMENT(SORT1,REAL) = ALL
    LOAD = 1
    SPC = 1
    SPCFORCES(SORT1,REAL) = ALL
    STRESS(SORT1,REAL,VONMISES,BILIN) = ALL
    SUBTITLE = Default
BEGIN BULK
$PARAMS
PARAM       POST      -1

add_femelement_geometry.py - Adding GRID cards

add_mesh.py - Adding element cards

add_femelement_material.py - Adding MAT1 card

add_con_fixed.py - Adding SPCADD and SPC1 cards

add_con_displacement.py - Adding SPCADD and SPC1 cards

add_con_force.py - Adding FORCE cards

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