I would recommend a "Finite Element Primer" from NAFEMS. Their web site is www.NAFEMS.org.
NAFEMS is a non profit organization that does training, support and benchmarking for the FEA industry.
Their books are not aligned to any particular software, and the information is accurate and easy...
First, I would recommend that you also post your quesitons to PLM World. You can join for free and they have forums that Siemens people monitor. And I would agree that you can call GTAC directly and they would probably help you.
You can use the interoperate command under the File menu to...
DISCLAIMER: This is NOT an official endorsement nor a claim that this is the policy position of our company. This is my opinion only!
Ideas12 is a very old version of the software. If they had used the same numbering scheme (they keep changing it), the current version would be Ideas16. I know...
Dear Prokospit,
The date check is the issue. It was found April 1 several years ago, but any version before NX7, has the issue.
I hope you can download the patch. I do not know how you can copy an installation of NX Nastran.
Marilyn Tomlin
Dear Sandcor,
I am not sure but I think you need to have the path name and the file name on the same line.
I will check and see if this is the case.
Marilyn Tomlin
Attachement and constraint modes are calculated when doing a normal modes analysis with the newer calculation methods.
The attachement mode is used in response simulation (i.e. random vibration analysis) for the base excitation location.
The constraint mode is used in response simulation to...
There is no results file. I do not know why.
But if you look in the directory where you SIM file is, you should see a file with an f06 extension. That file should have all the warnings and errors listed.
NX5 and NXN5 had a different license scheme, so that may be the issue.
I would suggest...
Just a note, that NAFEMS is offering an on-line Intro to FEA with a 30% discount if you sign up before Nov 30.
I am sure this would be a useful class.
Marilyn
Dear Piet,
I have done this type of analysis several times and it works. Make sure that you have a negative search distance that is larger then you interface. (I think I forogt that in the last email.) But it should work. Glue does not move the surfaces.
Actually all glue and contact have...
Dear Rhyder
The C in front of all elements stands for Connectivity. Nastran names elements C+shape. And Model solution was easier in terms of understanding the element types. This language is left over from the early Nastran days.
The Solution ### is the solution sequence that is called...
In February, KAR asked about contact in Response Dynamics.
Contact can only be used as stress stiffening for Response Dyamanics. That is becasue Response Dynamics is based on modes, and modes are linear by definition.
The stress stiffening using contact is available in NX and NX Nastran, but...
In April, David asked about mesh quality in Ideas.
I do not know any relationshiip between what Patran has and what Ideas has.
Ideas recommended 0.3 or above for stretch and distortion. These values were based on the normalization of the Jacobian. They were for the Model Solution elements...
This behavior in versions prior to NX8.5 was due to the way that polygon bodies were updated. In NX8.5, the update process was modified so that only modified faces get changed. This improves the update process and helps with the meshing updates. I have not checked for face IDs since I do not...
I have to be honest, I don't know. I rarely touch the history tree, because there are other ways to accomplish the same thing.
With Synchronous Technology, you can modify any part (including STEP imported files) without a history tree.
However, to create a part from a feature on the histroy...
There are a lot of solvers, less then there used to be.
Each solver has a speciality. Nastran is the strongest in dynamics.
If you have used Model Solution and you use NX as your pre/post, you will find that there are some differences but most will be transparent to you, with the exception...
What software are you using?
My best guess would be that you have over constrained your model. But not know what software or analysis type, it makes it difficult to guess.
Marilyn
You can not use glue since glue will not preform the iterative solution.
You would need to use the contact. NX has an option that will force the 2 faces to be identical and calculate the resultant displacements and stresses. In the contact parameters, set Initial Penetration to 3.
Good...
THe issue is that Ideas Universal file has no solver associated with it.
In NX, the GUI is built around the solver choosen. So NX Nastran (or MSC Nastran) is a solver, and ANSYS or ABAQUS has associated solvers. A universal file doesn't have an associated solver.
Siemens is developing only...
