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Hi: I have been looking at buying a new computer for Windows 10 and have looked at the 12 core AMD processor. On the other hand previous threads, thread 561-357474 and thread 561-314150 indicate that the 12 core CPU would be a waste of money. John Baker replied in those that the math was not...

I have some solid geometry consisting of a number of tapered brick shapes, six sided. The existing top and base are different sizes so I do not want them to have the same number of nodes per side. However the other two pairs of sides can have the same number of nodes per side and would work...

I have a model with a dozen or so connections in it some with regions that have branches, but not all of them. One of the connection pairs in this model come from the same surface model as a previous model that had a successful connection. I read an answer to a post in a different forum that...

On occasion a situation arises where it would be nice to join a single face of a hex element to two wedge elements so that all the nodes are merged at the interface, but one edge of the wedge elements crosses the face of the hex element. What sort of inaccuracies in the results would occur from...

Hi: I have recently switched from NEi Nastran to NX Nastran and my work is often with composites. Both use the FEMAP pre and post processor. NEi used to publish some of their output results column descriptions in the release guides but I haven't found the equivalent yet for NX, it might be...

Hi: I have used linear static analysis for many years but have recently switched from NEiNastran to NX Nastran which gives me the ability to do non-linear static. My test model is of a four bar test on a composite panel. The foam core is non-linear solid elements with skins of laminate shell...

Hi: It has been a year now since NEiNastran and Femap went their separate ways. My maintenance just ran out so it is decision time for me. I am interested to know others' experiences switching from the NEiNastran version solver to the NX Nastran solver. My work is often with composites and...

Hi: I have been trying to hex mesh a solid in my model that started out with some slivers and multi-curve areas. Other similar solids in the same model, but without the slivers etc. were hex-meshed reasonably well using the methods shown in Blas Molero's Hex mesh II tutorial. (Thanks Blas)...

I have modeled a sandwich panel for a 4 bar test where there are results from a physical test. The model uses laminate elements for the top and bottom skins and solid elements for the core. This was done because the balsa core is anisotropic. The top and bottom skins are symmetrical with six...

We have a group of racing power boats with various owners in various countries in the EU that need modifications to the structural part of the composite safety cell where the driver sits. In order to ensure that the modifications are carried out competently, the thought is to send them to...

I have not been able to open files from previous versions without getting the following message: "Deleting geometry that is not referenced by any solid." Unfortunately any loads and constraints based on the geometry also are deleted. I haven't found anything yet in Preferences that seems to...

I have an older computer with patran/Nastran on it with a node locked license. The computer developed a problem some time ago. I suspect the problem may be the graphics card because I can start it up in safe mode. Before I spend any money to fix it I was wondering how the license was actually...

Hi Is there a formulation for water such as ALE or SPH for use with NEiNastran's explicit solver and included in their version of Femap? Tom

I've run across a few manufacturers that make a fabric that places unidirectional fibers in alternating materials in a single ply. For example alternating fibers of carbon and kevlar, or kevlar and glass. Then they take this ply at 45 degrees and stitch it to another ply at minus 45 degrees...

I have used this feature of NEiNastran on several projects joining metal plates and shapes to composite parts. They run successfully. On the complex parts it isn't easy to know, but on one or two of the simple shapes I've had the feeling that the elements generated for the contact have had the...

Are many aircraft windows made of stretched acrylic? I've read a thread here that described the 747 window as a laminate with a thin layer of glass on the outsides. My question regards the choice between stretched acrylic and polycarbonate. The stretched acrylic is stronger and stiffer than...

I see there is a conference, NCCM-16 taking place this week in Kyoto, and there are to be some presentations regarding a second world wide failure exercise (WWFE-II). The conference web site doesn't seem to say where papers can be purchased individually by non-participants. Can anyone direct...

What is the largest radius that can be modelled (drawn) in Solid Edge as a true radius, that is not approximated by a spline or something? SolidWorks has a restriction where nothing can be drawn outside of a one kilometer box. This includes arcs where the center of the arc is outside of this...

Regarding the press release from UGS and their agreement with MSC, does anyone have an insight as to what is going to happen to Nastran for Windows from MSC? Here is a link to the press release: http://www.ugs.com/about_us/press/press.shtml?id=4490 Regardless of how people feel about MSC's...

I have read a number of posts regarding PDMWorks, Smarteam etc. including the one by bb007. We are a company with Solidworks being used in a number of locations in the U.S. and Canada by our CNC programmers and plant engineers. Up to now we have not used any data management system for...