AutoCAD Inventor :: Simple Supported Beam In FEA
Jun 27, 2013
I have a beam that is simply supported and I am needing to do FEA analysis on it. Simply supported on the ends with a load in the middle. Hand calculations show deflection is 2.256in. FEA shows delfection as 1.247in.
I think the problem is the constraints that I have placed on it. I have one fixed constraints at each end. One of these needs to be fixed and the other needs to be able to move horizontally. How do I set this up to get the correct results?
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Mar 18, 2012
When I try to calculate bending moment stress thru "Beam and column calcultor it shows an error that is Wk and Jk is missing. Ok that is fine. If we put values for both we will get the answer. Because I have come to know thru inv discussion that many material in the CC do not have these values.
Now my question is when we insert a part for example from content centre (CC) and do FEA analysis on this part. It shows some values like deflection, stress etc etc. How is that possible? one side it is not doing in the beam calculatio but other side in FEA it is doing that.
It means we are not going to rely upon these results in the FEA. It is the same CC, same inventor, how should be trust the result in FEA.
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Oct 3, 2012
As i discovered, frame generator is a very handy tool to make a frame, and to connect beams to each other.
For a customer we need to build a large frame, The outer beams are connected directly to each other. The beams inside the outer frame need to have a gap because of mounting and welding.
What i am looking for is a kind of tool, where i can add a notch, and after the notch, shorten the beam with 1 mm at each side to make a gap, which is needed for welding.
Inventor gives an error if i add first a notch followed by a Lengthen/Shorten command. How to add a notch and a gap of 1 mm to a connecting beam?
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Sep 20, 2013
I have recently drawn a steel construction, and I am now in the process of making the drawings. A problem that occurs is the length of beams used for bracing. When I click the two outer points, the lower dimension in the drawing appears. This is the length of the line between the two points. To be able to dimension properly, I have made a sketch with a straight line, which is perpendicular to one side of the beam. This has been used, with the point on the opposite side, to find the true beam length (and is showed as the upper of the two dimensions in the picture).
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Mar 8, 2012
Is there a way to display the section property of a T beam? Specifically, I'm looking for the second moment of area in units of in^4 (Ixx). iProperties provide me with the mass moments for the axis in units of lbmass in^2 under the physical tab (global properties). I'm sure this information is somewhere, I just can't seem to locate it. What am I missing?
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May 1, 2012
I'm Alex and I am new to Inventor. We just switched to Invetor From CAD and have been learning as i go mostly. I have been experiencing problems that are leading to major setbacks due to requireing me to redraw multiple items. With my job we have to use wide flange beams and square columns etc..I'm able to draw the indidviual parts and at times have no problem with anything being offset, crooked, skewed or anything. But I find that I'm doing something in the assembly process that is causiing my parts to become skewed/distorted in the assembly and thus also on my view layouts for prints.
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Jun 14, 2013
I am trying to run a Frame analysis on a beam structure. I wanted a specific yield stress for the components that make up the beam. So I created a new material and changed the yield stress and change my beam components to that new material. However when I run the simulation the yield stress is not what I made it. Is this allowed?
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May 31, 2012
I am having trouble using the beam and column calculator in Autodesk Inventor. When I choose the beam that I want to test all the dimensions are not being put in automatically.
This is happening with most types of beams that I import from the CC the angle (6X3-1/2X3/8) that I am trying to test is getting no Wx, Wy, Wk or Jk. and the I beam (W6X25) is not getting Wk and Jk.
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Feb 26, 2012
Is it possible to make an i part or i feature of the beam end shown in snapshot (every thing except back to back channels) i.e., couples of holes at certain distance attached with some plates etc, so that it can be populated to identical locations.
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Aug 20, 2012
I am using beam/column calculator in the frame generator in inventor 2010 suite.I have a beam being used for a flight of stairs it is positioned 40 deg above the 'floor' or my xy plane in my assembly.I want to place a distributed load acting as if there were several people stading on the stairs at one time so in the direction of the z axis of my assembly.
The problem I am having is I try to change the angle of the distributed load but it only allows me to change the x and y components of the load.
a) change the angle of the laod in the Z directions
or
b) change the cordinates in beam itself so the x axis is along the length of the beam instead of the z axis.
I have tried adding a UCS to the beam part but it still wants to choose the length of the beam as the z axis.
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Jan 24, 2012
I'm interested in simulating an object that is held up by a number of ropes connected to winches, which can provide varying tension on the ropes. I'm fairly new to Inventor, and am not sure where to start.
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Aug 14, 2011
I've got a brand new HP Mobile Workstation (See spec below sig) with a NVidia Quadro FX2800M graphics card and I have had the blue screen of death 3 times in the last week while running IV2012. I think it's a graphics card problem and when I try to find driver detail on the AutoDesk or NVidia website it looks like my card isn't certified.
Does the FX2800M isn't supported and if not why?
Product Design Suite
Inventor Premium 2012 - SP1 Installed
HP 8760w I7-740M Laptop
Windows 7 Professional 64
12 Gb DDR SDRAM
AMD FirePro M5950 Graphics Card
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Nov 27, 2012
Is reflection of properties supported in the 2013 api. In 2011 I would use reflection to get the value of properties from objects via a generic method. However in 2013 the properties aren't being reflected anymore. For instance the WorkAxis object only has a Visible property reflected.
Has something changed with the members of the types in .NET?
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Jan 10, 2014
I had some success transferring geometries, generated with an advanced math software, to Inventor using IGES files containing Manifold Solid B-Rep Object Entities (Type 186) (see the specification IGES5-3_forDownload-1.pdf). Now I would like to include several Type 186 entities into a single IGES file and form the geometrical unit of these (and them), for which the IGES Boolean Tree Entity (Type 180) seems to exist. I'll do some trial-and-error testing, but it would be very useful to have a (reliable) list of all IGES entities the Inventor IGES import function does or does not support (like these: Transcendata, MoldflowInsight). Unfortunately I could not find such a list anywhere.
Another question: Are the IGES import/export functions of Inventor written by Autodesk (and/)or are third-party libraries used? If the latter, which ones?
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Oct 3, 2013
In Solidworks I can emboss a sketch into a 'wavy' surface without difficulty.
If I try to do the same thing with Inventors 'Emboss' command It fails with "Only planar, cylindrical or conical faces are supported."
Surely there must be a way to achieve the same effect as in the first illustration, in Inventor ? Am I missing something obvious?
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Oct 10, 2013
I have downloaded Inventor 14, and the program appears to start up without problems. However, when i create a simple sketch, it first says "Choose a plane". In my textbook, it shows a picture of the three planes to choose from. However, my computer screen shows a blank gray screen. It appears some tool bars are missing as well.
However, if i click in the space where I imagine the axis should be, it takes me into sketch mode. Similarly, when I draw a line, the information bar reads like I am drawing a line, but no line shows up on the screen.
Is there a specific requirement on my computer I could be missing? I have downloaded Inventor twice, and both times had the same problem with the program. Perhaps a video card I need to have, or a certain RAM requirement?
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Dec 5, 2011
I have an assembly that I have created a sketch on and applied some dimensions. I would like to send those properties to an excel file that can then be inserted into an idw. What is the best way to get the parameter values into an excel file that would update as the model changes? I found were more focused on changing the model with the excel sheet which is not what I'm trying to do. I did try them however, but whether I clicked link or embed nothing appeared in the excel file at all.
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Jun 25, 2012
Illustrator keeps freezing when applying an effect such as texture-grain to a simple gradient, or even rasterizing a simple black circle. My system is about a 6month old macbook pro with 16gb ram, i7 and AMD Radeon HD 6770M 1024 MB. What could be causing this? It wasn't like this when i first started using the laptop but has started to do it everytime i try and do any of those simple tasks recently.
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Oct 20, 2012
Crashes on a simple extrusion... VERY basic spline...
(When I click extrude... I doubt it's even a complete closed shape yet)
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Apr 12, 2013
I am creating a Carbon Fiber glider. I have drawn the entire file and assembled it in autodesk inventor. How can I take each individual part and create a mold that I can CNC out? I just need a mold CAD file and then can run it through mastercam to get the G&M Code.
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Jun 26, 2011
i need to build about 8 versions of this simple box (see pic). base size, top size height... easy!
i have been using simple extruded boxes for most of my work to create the "path" of the frame, but with the tops being smaller than the base i need a new trick. also i know i will make more and more versions and would like to make new sizes a quick and simple job.
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Dec 1, 2011
I'm trying to programmatically toggle a hole between tapped and simple. I found the Tapped property in the object browser but when I try to use it I get a "Method 'Tapped' of object 'HoleFeature' failed" error.
Public Sub setThd(tap As Boolean, doc As PartDocument)Dim hole As HoleFeatureDim holes As HoleFeaturesSet holes = doc.ComponentDefinition.Features.HoleFeaturesFor Each hole In holes If hole.HealthStatus <> kSuppressedHealth Then hole.tapped = tap End IfNextEnd Sub
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Apr 5, 2013
I created a seemingly simple contour flange, and cut away a 890" radius. However, when I try to create the flat pattern, it gives me the message:
440-006.ipt: Errors occurred during update
440-006.ipt (Flat Pattern): Errors occurred during update
Definition1: Could not build this FlatPattern
The attempted operation did not produce a meaningful result. Try with different inputs.
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May 14, 2013
if i draw up a 3d sold part as the finished part, can i then draw a new rectangle solid body over the top of this and split the new solid body using the part as the split tool?
the idea being that i am left with a rectangular plate with a female 3d impression of the finished part in the top.I can't seem to use the part as a split tool?
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Jul 20, 2012
I am trying to create a simple loft to show smashing the end of a pipe. I created the work planes based from the middle of the part. I placed a transition sketch and then a final sketch along with a center of the part sketch. When I could not get the transition to work I went back and added a sketch on the end of the pipe though I don't think it is needed. I still get nothing. I even followed the selection procedures from Wikihelp with no change.
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Feb 8, 2013
I am trying to place a simple Ifeature, its basically an offset from reference geometry but when I place the ifeature it offsets the feature the wrong side of the line.
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Feb 24, 2011
I am creating custom beam shapes, but when I change one type, it changes them all. How do only change the shape of one beam?
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Aug 2, 2013
I need to beam complex P&IDs for client viewing. The drawings are in AutoCAD2012. I find it difficult to zoom and pan to the desired place. Beaming individual component P&IDs is also not an option as the client usually wants to see the enitre layout first. The entire layout, when beamed is unreadable without zooming. I was hoping for a solution similar to drilling down in databases (clubbing of data when we at the top levels and then the ability to view details when clicking on a particular cell); where only the important lines and symbols are shown at the top levels so that they can clearly be seen on beaming.
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Aug 9, 2012
I have a dynamic block of a steel beam, with a block table, by which I can change the size etc.
public static void InsertBlock(Database db, string FileName, Point3d InsertionPoint, double Rotation = 0)
{
ObjectId blkid = ObjectId.Null;
using (Database bdb = new Database(false, true))
{
bdb.ReadDwgFile(FileName, System.IO.FileShare.Read, true, "");
[Code]...
the size will change when I select it. The 150UB18.0 is in the list when you call GetAllowedValues for the Name.
How to successfully set a value? I have looked at
GetAllowedValues().SetValue(object value, int index) but not too sure how this one works.
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Mar 7, 2012
I have a 3 node Structural Member created that works... Now the next questions... Can you anchor columns at 3 column grid intersections... then draw this 3 node Structural Beam such that it will anchor also... so that... if you adjust the column grid... the columns and the 3 node structural member will adjust accordingly?
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Mar 7, 2012
How can I do a Structural Member Style with 3 nodes along it's length... a start, mid, and end nodes?
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