AutoCAD Inventor :: Determine Moment Of Inertia Of L-section - 2009
Jul 22, 2010
I am trying to determine the moment of inertia of an L-section using IV 2009. By selecting Tools>Region Properties of a closed loop profile in the sketch environment the moment of inertia is given, however the principal axes through the centroid are at 45 degrees to the toe of the angle (see attached image). I want Ixx and Iyy where the X and Y axes are parallel to the horizontal and vertical toe respectively.
Coincidentally, AutoCAD orientates the principal axes the same when viewing the Region Mass Properties of a similar Region.
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Jan 6, 2012
How do I calculate the moment of inertia for a hollow section? Do I need to use Lisp?
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Jul 10, 2012
How the mass moment of inertia (kgcm2) is calculated in inventor?
It says it is calculated using negative integral, however i dont find this very informative.
I used the data for a report, and need to justify how i got the center of gravity and inertia properties.
A formula, method or algorithm would be nice.
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Oct 15, 2012
I have a problem with Inventor pro 2013 rounding of the area moment of inertia to zero (region properties). For example if I create a new sketch and draw a 1 mm x 0.5 mm rectangle and measure the area moment of inertia it will be 0 for one of the pricipal axes. If I change the rectangle to 1 mm x 0.6 mm it doesn't round it off. Seems like there's a problem with the precision in the calculations somehow.
I have tried to change the document units to microns but the same thing happens.
is there a way to make inventor do this calculation correctly?
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May 23, 2013
I created the gear (helical) in the attached file using the standard gear tool in inventor. The problem is how do i then find the mass moment of inertia of it using Inventor?
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Dec 12, 2011
I would like to get the moment of inertia of a deck slab of a bridge on the hatched areas. How can i do it?
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Jun 28, 2012
I am working on a project for an electricity and magnetism class that deals with using neodymium magnets to propel other neodymium in around a ring. Any method of both importing neodymium or any other rare earth magnetic material into Autodesk Inventor 2013 and then running a dynamic simulation on an assembly consisting of those parts.
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May 8, 2012
I'd like to know how inventor defines the center of rotation when you apply moment load on multiple faces at once. I'm not basically able to define where exactly I need that axis to be. and I dont understand where inventor assumes that axis is. if you take a look at attached model, obviously the resultant forces caused by the applied moment are bigger on the single pillar located on the extention, thats why its been displaced more than the others, but where exactly is center of rotation. I'm trying to avoid modeling of the section above this which technically transfers the moment thorough shear pins on the structure I have modeled.
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Feb 1, 2006
Is there a way to export properties such as Moment of inertial to Partlist or use it as a customer property?
IV10 Pro. SP2
Window XP Pro sp2
Pentium 3.2 Ghz, 3.0 GB of RAM
NVIDIA FX 3400 7.1.8.4
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Oct 3, 2012
My client wants to buy Inventor 2013 and want to installed MDT 2009. How to install MDT 2009 of inventor 2013? He has a large data base of MDT. If he can not be installed MTD2009 he will not buy inventor 2013.
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Dec 9, 2013
I am trying to verify the bending strength of a solid part. Need to calculate the section modulus on certain cross section. Don't know how to do it using inventor.
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Sep 24, 2012
The section view behaves strangely with the ‘section participation: none’ components
Invertor2012 sp2
Win7 x64
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Nov 19, 2011
why my section is not parallel with my section line. I did constrain my section line in the section line sketch.
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Dec 10, 2013
Our company is planning to buy new workstations Dell Precision T1700 [URL] and we have question about compatibility with Inventor 2009: Will there be issues with drivers or directx etc. that don´t match with Inventor 2009 ?
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May 19, 2008
Just thought I would post this since I didn't see it anywhere else. With Inventor 2009, the views in IDW are automatically set to associative which causes the visibility option for parts/assemblies to be grayed out.
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Nov 11, 2011
My ctrl key has stopped working in Inventor.
It works fine in other programs.
Also when I hit F7 in a sketch Inventor does not show the section of the part to my sketch plane.
Also, my memory bar indicator does not work, it just stays all grey.
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Aug 28, 2012
Running Inventor pro 2009 building simple fabrications and assemblies and it randomly shuts down without warning or any error code. This is happening regularly an dwith no apparent pattern or trigger.
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Sep 24, 2013
In the drawing view below, I want to section the green assembly only within the red section. I've tried this with a breakout and it doesn't work. There doesn't seem to be a way to exclude the green from the section and yet include it in the breakout.
Infrastructure DSP '14 / Product DSP '14 / Vault Professional 2014
Dell Precision T1650
Windows 7 Professional SP1 64-bit
Intel E3-1270 V2 3.5GHz / 32G RAM
Nvidia Quadro 2000, Driver 331.82
Space Navigator, Driver Version 6.17.7
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Jan 11, 2013
How can I revolve the top section to blend into the bottom section.
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Oct 21, 2011
What is the risk Migrating Inventor 2009 files to Inventor 2012?
Do i have to migrate the Inventor 2009 files to 2010 and up to 2012?
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Dec 10, 2013
Using Inventor 2009. For some reason (all of a sudden) it will not open a step file. When I go to search for the file I would always use the file drop down an there would be a lengthy list of options. For some reason now it will only list the basic native formats... part, assembly etc. How I can get these back?
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Sep 18, 2012
Finally, we updated to 2013 Inventor Professional (64 bit).
Now I have some problems when I run the rule which I created in 2009 (32 bit).
First one is:I created a rule which is suppressed. I need run it when I save files. The problem is: after I moved to 2013, and when I puch SAVE button, my rule cannot be run.
Autodesk Inventor Professional 2013 (64 Bit) SP2
Windows 7 Professional Service Pack 1
Intel(R) Xeon(R) CPU E5645
12.0 GB Memory
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Oct 29, 2011
can you open inventor pro 2012 files on inventor pro 2009?
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Feb 22, 2012
Is it possible to determine which nodes are expanded using the API?
I want to make some changes to the node information in an assembly browser but as there are many hundred parts so I only want to do the operation on the expanded nodes to keep any delay to a minimum.
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Feb 11, 2013
is there any tool in inventor that can determine size of louver or quantity of louver base on heat generated?
we are designing a sheet metal box. we need to find out how many louvers we need.
Autodesk Inventor Professional 2014
Autodesk Product Design Suite Standard 2013
Microsoft Office 2007 & 2013
Windows 7 64bit
Synergis Adept 2013
Visual Studio Express 2010
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Mar 1, 2013
Is there a way to use interference checks to determine what material needs to be subtracted away from other parts to get the clearance needed? (See Attached) The way I typically handle this is to project the lines from one part onto the sketch of another and proceed accordingly, however as you can see, it didn't work out well in this instance as the face of the part in question is not parallel with the sketch plane in the other..Therefore making the cut location inaccurate.
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Mar 10, 2009
My students draw all of the individual parts of a product as ipt files. Next they create an assembly using those ipt files on a iam template. Next they generate a multiview assembly drawing on a idw template from the iam file. On the idw multiview assembly random visible lines disappear and we are not able to get them back. Students are turning of the visiblity of some of the hidden lines on the idw assembly but not all hidden lines.
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Jul 9, 2013
Can Mechanical Desktop 2009 be installed with Inventor 2013?
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Aug 9, 2012
I'm looping trough positional representations in a assembly and I would like to determine if one of them is failing.
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Sep 12, 2013
I create custom sheetmetal styles from time to time via the API. It fails when the flat pattern has issues. Is there a way to determine if the flat pattern has errors/issues so I can delete it as required?
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Apr 30, 2013
If an assembly contains unresolved file references, when I try to open it Inventor allows me to try and resolve this with the Resolve Link dialog. But if I choose to skip all for whatever reason, once I've opened the assembly there's no easy way for me to see which sub-assembly/assemblies contain the missing reference. I have to expand folders, patterns, assemblies, etc. until I find the one with the little question mark next to it. I prefer to work with unresolved links in this way sometimes because it just makes more sense working with the model than a bunch of file paths and file names in the Resolve Link dialog. But it's nearly impossible with large assemblies where the unresolved links may be burried deep.
Is there a way to list or somehow see which assemblies contain the unresolved links once I've already opened an assembly?
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