help patran

[HAL9000]

Bye to all,
I am using patran/nastran for the thesis and these days I am following some tutorials found on the net. my problem is that the program does not create the .op2 file and generates the .f04 and .f06 files empty.
Can anyone help me? ! ?

 

[Onda]

Do you want to post your .bdf or .dat to take a look at it?

 

[HAL9000]

come faccio?

 

[HAL9000]

ecco qui.


$ nastran input file created by the msc msc.nastran input file
$ translator ( msc.patran 13.0.053 ) on august 03, 2009 at 10:31:57.
assign output2 =.op2', unit = 12, form = formatted
$ direct text input for nastran system cell section
$ direct text input for file management section
$ linear static analysis, database
sol 101
$ direct text input for executive control
cend
seall = all
super = all
title = msc.nastran job created on 03-aug-09 at 09:43:19
echo = none
$ direct text input for global case control data
subcase 1
$ subcase name : default
subtitle=default
spc = 2
load = 2
displacement(sort1,real)=all
spcforces(sort1,real)=all
stress(sort1,real,vonmises,bilin)=all
stress(sort1,real,vonmises,bilin)=all
$ direct text input for this subcase
begin bulk
param post -1
param autospc yes
param prtmaxim yes
$ direct text input for bulk data
$ elements and element properties for region : composite
$ composite property record created from p3/patran composite material
$ record : 8plysymquasi
$ composite material description :
pcomp 1 5000. hill 0. 0.
1 .0054 0. yes 1 .0054 -45. yes
1 .0054 45. yes 1 .0054 90. yes
1 .0054 90. yes 1 .0054 45. yes
1 .0054 -45. yes 1 .0054 0. yes
$ pset: "composite" will be imported as: "pcomp.1"
cquad4 1 1 1 2 5 4 1
cquad4 2 1 2 3 6 5 1
cquad4 3 1 4 5 8 7 1
cquad4 4 1 5 6 9 8 1
$ elements and element properties for region : composite.r1
$ composite property record created from p3/patran composite material
$ record : pcomp.2
$ composite material description :
pcomp 2 -.0216 5000. hill 0. 0.
3 .0054 0. yes 3 .0054 -45. yes
3 .0054 45. yes 3 .0054 90. yes
3 .0054 90. yes 3 .0054 45. yes
3 .0054 -45. yes 3 .0054 0. yes
$ pset: "composite.r1" will be imported as: "pcomp.2"
cquad4 5 2 10 11 14 13 2 0.
cquad4 6 2 11 12 15 14 2 0.
cquad4 7 2 13 14 17 16 2 0.
cquad4 8 2 14 15 18 17 2 0.
$ referenced material records
$ material record : graphite_epoxy_tape
$ description of material : date: 03-aug-09 time: 09:35:24
mat8 1 2.+7 2.+6 .35 1.+6 1.+6 1.+6
130000. 120000. 11000. 12000. 12500.
$ material record : graphite_epoxy_tape.r1
$ description of material :
mat8 3 2.+7 2.+6 .35 1.+6 1.+6 1.+6
130000. 120000. 11000. 12000. 12500.
$ nodes of the entire model
grid 1 0. 0. 0.
grid 2 0. .5 0.
grid 3 0. 1. 0.
grid 4 .5 0. 0.
grid 5 .5 .5 0.
grid 6 .5 1. 0.
grid 7 1. 0. 0.
grid 8 1. .5 0.
grid 9 1. 1. 0.
grid 10 0. 0. 0.
grid 11 0. .5 0.
grid 12 0. 1. 0.
grid 13 .5 0. 0.
grid 14 .5 .5 0.
grid 15 .5 1. 0.
grid 16 1. 0. 0.
grid 17 1. .5 0.
grid 18 1. 1. 0.
$ loads for load case : default
spcadd 2 1 3
load 2 1. 1. 1 1. 3
$ displacement constraints of load set : xzryconstraints
spc1 1 135 1 2 3
$ displacement constraints of load set : yconst
spc1 3 2 1
$ distributed loads of load set : distloady
force 1 3 500. 0. 1. 0.
force 1 6 500. 0. 1. 0.
force 1 6 500. 0. 1. 0.
force 1 9 500. 0. 1. 0.
$ distributed loads of load set : distloadx
force 3 3 250. 1. 0. 0.
force 3 6 250. 1. 0. 0.
force 3 6 250. 1. 0. 0.
force 3 9 250. 1. 0. 0.
$ referenced coordinate frames
cord2r 1 0. 0. 0. 0. 0. 1.
0. 1. 0.
cord2r 2 0. 0. 0. 0. 0. 1.
0. 1. 0.
enddata 7a1899fd

 

[Onda]

You need to attach the file.
to do so you have to go into the advanced forum response mode and attach the nastran launch file. normally has .bdf extension.
I recommend zipping it in order to reduce it in size and to use an extension recognized by the system.

 

[HAL9000]

here is also the .rar file

 

[Onda]

Look, you have to respect the fields.
nastran reads instructions formatted in eight-character fields. what you posted is not formatted and is therefore unreadable by nastran. And I certainly don't reform it all!
so you must attach the bdf that zipped so as not to alter formatting.

 

[Onda]

I put a dollar in front of this line:_
$assign output2 =.op2', unit = 12, form = formatted
that sent nastran error. Why do you use it? It is not necessary.

to have the result in op2 format just the param post -1 already present in your bdf.

I also put a dollar in front of this line
$ stress(sort1,real,vonmises,bilin)=all
repeat two times and nastran from a warning.
now the bdf turns but the structure is labile and by mistake. You have to put constraints.

Hi.

wave

 

[Onda]

You didn't write anything. .
Was my answer helpful?
Did you solve the problem? now turns nastran?

wave

 

[HAL9000]

but nothing yet. I also tried to remake the panel by setting it on all sides, but the blessed op2 file doesn't come out, and the f06 continues to be empty. And yet I was following the directions of a Patran tutorial, it's really weird.

 

[Onda]

It's weird because your file turned to me.
Are you sure you're okay with the license? Do you know the bug on April 1st?
a lot of talk about it in various forum posts. is a malfunction of all the releases of nastran msc before 2005 r2 and all the releases of nx. Could be the reason.

 

[HAL9000]

no I didn't hear anything about this bug. But consider that to use it on my computer at home I have a "student" version so to speak.

 

[Onda]

only counts the date of the version. If it is a msc prior to 2005 r2 does not turn + unless you download the patch from the official site of the msc. obviously you need a valid access to download it.
you need to install a sucessive student version, such as 2007 to no longer have the problem.

 

[HAL9000]

Would you tell me how I can see what version it is? I think it's 2005, but maybe it's better to look for confirmation.

 

[max83m]

I put a dollar in front of this line:_
$assign output2 =.op2', unit = 12, form = formatted
that sent nastran error. Why do you use it? It is not necessary.

to have the result in op2 format just the param post -1 already present in your bdf.

I also put a dollar in front of this line
$ stress(sort1,real,vonmises,bilin)=all
repeat two times and nastran from a warning.
now the bdf turns but the structure is labile and by mistake. You have to put constraints.

Hi.

wave

I think you're a senior. I'd ask you a few private lessons. for payment of course. . .

 

[Onda]

I'm not bully, not even close. .
wave