AutoCAD Inventor :: True Purpose Of Create Curved Mesh Element In 2012 Simulation
May 30, 2012
Below is my test procedure for "Create Curve Mesh Element" by Inventor simulation 2012.
1. I made a box 100(W)X100(D)X20(H) with 2xR20 (mm) fillets at the opposite edges.
2. I copied a box I made for making 2 type mesh.
3. I made mesh on the box without "Create Curved Mesh Elements" option.
Node number: 2374
Element number: 1365
4. I made mesh another model with "Create Curved Mesh Elements" option.
Node number: 2374 (same number, not increase)
Element number: 1365
Mesh shape is different(please refere attachiment jpeg file).
I think that "Create Curved Mesh Element option" is not for making second tetrahedron elements.But I cnanot the true porpose of "Create Curved Mesh Elements" option.For only P method, not H method?
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May 3, 2012
I'm having a try with the inventor simulation and i realized that it doens't use the real stress-strain curve of materials. By this being so, all the stress results pass largely beyond the ultimate strenght of materials. Is there a way of introduzing this curves in autodesk? There is softwares that have this ability, like Solidworks, so there must be a way in Inventor.
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Feb 2, 2012
I often use the FEA tool of Inventor, I already had some "known issues" like degenerated element.
I have to test if a tank (full of oil) can resist at a 10G shock in every axes (six simulations separated). For simulated the oil, I created a part from the tank assembly using boolean tools (combine, and so on...). Then I applied the stresses on the oil part, in the interaction surfaces between oil and the tank.
When I mesh, there is no problem, I can save, quit and load the assembly, the mesh is OK. Once I have set all the parameters, whatever the simulation settings, I can see the message: "Adaptative refinement" then it stops after the first iteration, and the mesh disappears.When I repeat it, sometimes the simulation is blocked at the "adaptative refinement" step. I cancel it and a "mesh error" appear...
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Sep 19, 2011
we've made a part from an assembly and put the stress analysis to the test. Unfortunately the analysis doesn't complete it's run, because of an error:
"An error occurred while creating the finite element mesh. The cause may be invalid geometry or features that are extremely small in comparison to the overall dimensions of the part. To fix the problem, please suppress those problematic features or use standard meshing method."
We can't change the thickness of the sheet-metal, because it's a model which comes from a supplier with a different cad-program. And supressing any features isn't possible, because it's a base-solid.
But where can we change it to the standard meshing methode? The program is recently re-installed on my computer, the settings haven't changed since it's been installed. We can't find the feature.
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Mar 17, 2013
I am running 2012 inventor ultimate and when I'm in assemblies quite often the screen goes blank and starts blinking or screen goes completely bright red. I have to force shut down and re-boot. I have discussed this with dell and they have replaced the video card, they have done patches updates etc. to no avail. My computer is an M6500 64 bit with a nividia graphics card running windows 7. very high end computer and very powerful. I am also using a 3D connexion mouse. I should also mention that the screen only blinks and crashes while undocked. While docked the only problem I have is locking up occasionally.
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Dec 5, 2013
I am not able to see the model in shaded view with edges in dynamic simulation environment (Autodesk Inventor 2012).
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Sep 8, 2012
I have an attached picture of a design i am working on, I was wondering how to slope the curved element so that i meets the lower curved element.
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Oct 21, 2011
I have a very simple part I am trying to check using FEA; however when I get into the Simulation environment and click 'New Simulation' from Ribbon nothing happens.
The part in question is just a simple cylinder (I'm verifying what would be the best meshing spec to use in a larger assembly).
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Mar 21, 2012
'developing' or 'unrolling' or 'finding the true shape' of a 3D surface? Something similar to Robert McNeel's Rhino3D's UnrollSrf command to flatten a surface. (Is a mesh better?)
I am drawing the frames for a wooden surfboard which has curved spars (the surface in question) which need rolling out flat to make a template. The surface is curved in the XY axis only, so in theory it should be developable.
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Jun 22, 2012
how to create a simulation of the balls in the assembly? I need a simulation of the assembly on the similarity as in the picture
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Oct 6, 2008
I'm trying to figure out a way to convert a 'Polyface Mesh' into a mass element or some other solid. The Polyface Mesh was created by importing a .3ds model using the '3dsin' command. The .3ds file was created from exporting the model out of Max.
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Oct 5, 2013
I have to make a vice and I am trying to make the vice move. I am trying to use the screw simulation in dynamic simulation but don't know how to do it? I have only made the screw and the nut or the thing that it screws into to make the vice work.
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Nov 29, 2011
IV 2011.
I have an assembly with a FEA simulation result. I can run a report and get the reaction forces and moments at each constraint. I would like to run a new simulation with different constraints and use the reaction results from the first simulation as loads in the second one.
Currently I do this by running a report on the 1st simulation to get a table of the reaction results. I then manually add those forces to the 2nd simulation. This takes time to type and the forces must be edited each time I re-run the 1st simulation.
Is there a way to use parameters to automate this?
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Oct 17, 2012
I try to migrate our ObjectArx Api to Inventor. Therefore I need a function to create a mesh from a solid.
With Autocad .Net Api, I can use GetObjectMesh(DbObject obj, MeshFaceterData parameter). Does in the Inventor Api a similar function exist?
In the parameters I need to set the deviation in the same way as in the Autocad .Net Api.
Example:
FaceterDevNormal = 0.1;
FaceterDevSurface = 0.1;
FaceterMeshType = 2;
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Nov 8, 2012
When I plot to paper from TV2012, I'm good with monochrome - black lines, white background - awesome.
I would *like*, however, to plot a few things to PDF, but retain the view I have on my display - I.E., lines/labels of various colors and a BLACK background. I've been poking around for a bit, and if there's a way to make that setting, I'm no finding it. Everything I try has gotten me colored lines/labels on a white background.
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Apr 6, 2012
I'm having difficulty trying to create what could be described as a diamond pattern inside a cylinder. How to achieve this.
Please see picture for an idea of the pattern.
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Jun 27, 2011
I have an error that started appearing in my VBA programs since we upgraded to AutoCAD 2012. This problem never occured in our previous releases. The program is supposed to loop through all entities in paperspace and check for entities that are a acBlockReference object.
Below is a simplified version of my program. I get an Element Not Found error on the line noted. Again, this has never happened in any of our previous versions of AutoCAD. Just started with 2012.
Sub Test
Dim blkref As AcadBlockReference
Dim entry As Variant
For Each entry In ThisDrawing.PaperSpace
If entry.EntityType = acBlockReference Then ' <-This is where the Element Not Found error occurs
msgbox entry.name
endif
next
end sub
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Aug 16, 2012
I've read the posts pertaining to coil features along curved paths. The existing solutions are limited in that they must rely on a solid with the addition of a bend feature. How can I create a helical surface structure including multiple bends like the one shown?
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Apr 1, 2013
Is it possible to create a work point on the midpoint of the curved edge of any feature.
I was not able to access the midpoint of an edge.
Config :: Intel (R) Xeon (R) CPU E31245 @ 3.30 GHz, 16.0 GB, 64bit win7
Inventor 2013 and Vault Basic 2013
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Aug 6, 2012
I want to extrude a big number of pillars to a rather complicated surface and that works out fine. But each end of the pillars warps around the surface and I want them just to go up to it and stop with a resulting horizontal face.
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Apr 9, 2012
I have an assembly that has somewhere a hole with a round bar that exactly fits in this hole. But when meshing the assembly, the mesh of the hole and the mesh of the bar are different.
The result is that the different parts do only seem to touch each other at the edges of the mesh, resulting in high stresses.
See picture.
I tried to made a derived part from the assembly, but that one does not finish meshing. After 48 hours, the progress bar is still half way. While the one above did finish in about 15 minutes. What can I do to make the meshes match?
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Sep 20, 2013
I am completely new in PSP X6. I am watching all possible videos in youtube, but after user curve effect on my txt, I can't simply select to edit it.
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Feb 3, 2012
Having issues on a laptop with Inventor 2012. Inventor will let the user create a new project folder on the C drive but not on their personal network drive. The user does have all needed permissions to use their network space, but Inventor is not allowing a project folder to be created on on the networked drive.
We have desktops on which project folders can be successfully created on the network drive. Only the laptop seems to be affected by the issue.
Am I missing a simple check box somewhere in Inventor?
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Jan 10, 2012
How i can create with vba a surface Extend
Take a look picture?
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Mar 31, 2012
I have recently installed Inventor Professional 2012 Student Version, and I'm unable to create a new file, as the program crashes as I try to do so.
After starting Inventor, I select New than Standard.ipt. The file starts loading, the status of the loading process can be seen in the bottom left corner, than the "Open Documets in Session" counter in the bottom right corner changes from 0 to 1, as it should, I guess. And than, the program freezes. Sometimes, a message appears after several minutes that an error has occured, and that I should send an error report to Autodesk (which I did); but sometimes, no message appears at all, it simply crashes.
My computer specs are: Intel Core 2 @1,86 GHz, 2 GB RAM, NVidia GeForce 9800 GTX, 60 GB free space, Windows Vista (hotfix installed) Not a powerhouse, but I think it should be able to start a file properly I think, if I understand the system requirements correctly.
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Sep 9, 2013
I keep running into a situation where I would like to be able to create an edge or a work axis at the intersection of a work plane and the surface of the part. I figured out a work around if the surface is flat, but I haven't figured out a work around for a curved surface.
How do I create work axis where work plane intersects curved surface?
Or put another way: How do I project intersection of work plane and curved surface onto the work plane in a 2D sketch?
I need to be able to draw a 2D sketch on the work plane, but get a perfectly matching projected line onto the work plane, from the curved surface, at the intersection of the curved surface and the work plane.
The attached jpg shows the intersection in question. I circled it.
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Oct 29, 2012
I would like to report on a latest problem i encountered.
I dunno why, but when it started to run a part fill analysis, Inventor prompted me that it ""Failed to create a new study file".
I tried restarting inventor and still, nothing happened. Moreover, i tried another file and it worked. How come for this part it didnt?
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Jun 6, 2012
I have not come to a solution for creating DBTEXT elements within a BackgroundWorker, this element has problem with the alignment point. So there is an example ZIP, just run the command and check the elements created, you will see that I'm creating the element with the point in alinahmento MIDLECENTER but the result is not correct.
I am creating other elements in the same way and they had no problems (MTEXT, POLYLINE, CIRCLE, SPLINE, LINE, etc. ..), they are correct, but the element and the element DBTEXT block that contains attributes present problems in the alignment points.
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Jul 5, 2012
I'm detailing a simple square plate with a good number of holes in it. I create an ordiate set running vertically along the LH edge and select the holes that are close to that side. Origin is the lower LH corner. Works great, easy.
The holes that are closer to the RH side though I'd like to show on that side. So I go to create a second ordinate set for the RH side and choose the lower RH corner as the origin and choose my holes that are close to that edge. The 2nd set will automatically show a second "0.000" dimension on the bottom edge and I can't supress it by right clicking.
Is there a better way to do this? What I've done now is to not use a set but just choose ordinate dimension and go from the opposite edge, which works.... But alignment is better with a set.
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Aug 1, 2012
I've created a fairly simple mesh in 3DS Max to use as topography in ACA. I'd like to be able to turn the geometry into a mass element or even a 3D Solid so that I can use it ACA, but this doesn't seem possible. I feel like Ive tried every conversion method I know how to do but ACA doesn't seem to have this ability, or least not a very strong ability.
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Jul 30, 2011
I'm trying to send over a model that I'm working on to Mudbox 2012 and it sends over a mesh that is scaled way down. The original mesh in Max is not small to begin with at all. Zooming in and out is a problem as well as the standard brush size is too small to work with. Is there a setting that can be adjusted to keep the scale of the mesh close to 1:1 when sending meshes from program to program?
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