rr074-utility-to-convert-nastran-bdf-file-to-trasys-input-file's Introduction

========================================

Utility to Convert NASTRAN BDF File to TRASYS Input File:

========================================

Utility to Convert NASTRAN BDF File to TRASYS Input File.

I. Source NASTRAN FEM Mesh to Convert to TRASYS Input Format:

II. Utility Executable: "./bin/nastra.exe"

III. Utility Input File: "./input/rear_section_a.bdf"

=================================
START: "rear_section_a.bdf"
=================================
... CONTENT REMOVED ...
$ Direct Text Input for Global Case Control Data
SUBCASE 1
$ Subcase name : Default
   SUBTITLE=Default
   NLPARM = 1
   THERMAL(SORT1,PRINT)=ALL
   FLUX(SORT1,PRINT)=ALL
BEGIN BULK
PARAM    POST    0
PARAM    AUTOSPC YES
PARAM    SIGMA   1.714-9
NLPARM   1       0               AUTO    5       25      PW      NO
                 .001    1.-7
$ Direct Text Input for Bulk Data
$ Elements and Element Properties for region : pshell.224
PSHELL*  224             1               .00667
*
$ Pset: "pshell.224" will be imported as: "pshell.224"
CTRIA3   28140   224     18034   18028   18062   0.
CTRIA3   28341   224     21480   21506   21474   84.544
CTRIA3   54553   224     7879    7882    7883   -57.21
CTRIA3   54554   224     7883    7880    7879   -57.21
CTRIA3   71763   224     17050   423     422    -95.542
... CONTENT REMOVED ...
=================================
END: "rear_section_a.bdf"
=================================

IV. Utility Output Files:

IV.a. "./output/rear_section_a.tra"

=================================
START: "rear_section_a.tra"
=================================
S     SURFN=28140 $ ^   224
       TYPE=POLY
       ACTIVE=TOP
       ALPHA =    1.000
       EMISS =    1.000
       P1=      44.140,      -7.288,       7.621
       P2=      44.140,      -7.288,       7.917
       P3=      44.087,      -7.576,       7.649
C
S     SURFN=28341 $ ^   224
       TYPE=POLY
       ACTIVE=TOP
       ALPHA =    1.000
       EMISS =    1.000
       P1=      44.140,       7.288,       7.621
       P2=      44.087,       7.576,       7.649
       P3=      44.140,       7.288,       7.917
C
S     SURFN=54553 $ ^   224
       TYPE=POLY
       ACTIVE=TOP
       ALPHA =    1.000
       EMISS =    1.000
       P1=      37.500,       1.819,       5.964
       P2=      37.500,       1.708,       5.796
       P3=      37.500,       1.760,       5.756
C
... CONTENT REMOVED ...
=================================
START: "rear_section_a.tra"
=================================