ryansanderson172 Posted January 9, 2012 Share Posted January 9, 2012 Hi Im currently designing a Hydro turbine blade and holding but only have the free student inventor which wont allow me to carry out a stress analysis on my design. Could some body help me me out the analysis of my design. The blade will be fit within a 54mmID plastic pipe running on a shaft and will be made of ABS plastic and be subjected to 0.003 m3/s of water , if you can help ill add a part file.5 Blade Prop.ipt the Many kind regards ryan Quote Link to comment Share on other sites More sharing options...
MarkFlayler Posted January 9, 2012 Share Posted January 9, 2012 Ryan, If you have access to the free version of Inventor for Students it does have Stress Analysis. Does your version say Inventor Professional? You also have access to Autodesk Simulation for more advanced SA. Quote Link to comment Share on other sites More sharing options...
ryansanderson172 Posted January 9, 2012 Author Share Posted January 9, 2012 yeah its inventor pro 2011 student, thanks mark, I may have to research how to use the darn thing, many regards ryan Quote Link to comment Share on other sites More sharing options...
Bishop Posted January 9, 2012 Share Posted January 9, 2012 Check the environments tab. You should be able to click on Stress Analysis there, and play with it. It's a lot of fun, but it's pretty complex. There's more of a learning curve there than there was in figuring out your 3D sketch problem. Quote Link to comment Share on other sites More sharing options...
JD Mather Posted January 9, 2012 Share Posted January 9, 2012 The student version is fully functional. Before you try to run FEA you should remove these tiny slivers that will likely cause singularities. Quote Link to comment Share on other sites More sharing options...
ryansanderson172 Posted January 9, 2012 Author Share Posted January 9, 2012 sorry to maybe ask a simple question, but the marks you refer to, they dont stick out at all (I dont think) how can i remove them with out ffecting any other dimension? should i make a new sketch on the face and cut away from it to remove the slivers. cheers ryan Quote Link to comment Share on other sites More sharing options...
ryansanderson172 Posted January 9, 2012 Author Share Posted January 9, 2012 sorted the slivers, thanks Quote Link to comment Share on other sites More sharing options...
Bishop Posted January 9, 2012 Share Posted January 9, 2012 sorry to maybe ask a simple question, but the marks you refer to, they dont stick out at all (I dont think) how can i remove them with out ffecting any other dimension? should i make a new sketch on the face and cut away from it to remove the slivers. cheers ryan Sounds like you've already fixed it, but the really easy way to get rid of little artifacts like that from combining things together is to use DELETE FACE with the checkbox for HEAL picked. Quote Link to comment Share on other sites More sharing options...
JD Mather Posted January 9, 2012 Share Posted January 9, 2012 except that those are so tiny I think I would have simply Sculpt - remove or Spit Part remove with workplane. Quote Link to comment Share on other sites More sharing options...
ryansanderson172 Posted January 10, 2012 Author Share Posted January 10, 2012 hi, just a quickie, im using 2011, i gonna ask help from an engineer at work (im a student) and need to be able to view the models ive created on inventor 11. can i save the files as stp or stl files to do this? ive just save as an stp file and my inventor 2011 wont recognise it, will 11? cheers. Any one offer any guidance on how to simulate Quote Link to comment Share on other sites More sharing options...
JD Mather Posted January 10, 2012 Share Posted January 10, 2012 Any version of Inventor should read stp file. There was some problems on some machines in later releases if you had it set to create the html report on Open. This can be turned off if you click Options when opening and set not to create the report. Quote Link to comment Share on other sites More sharing options...
ryansanderson172 Posted January 12, 2012 Author Share Posted January 12, 2012 this is what i get when i try and do a stress analyis on my item all greyed out can some one tell me what im doing wrong? Quote Link to comment Share on other sites More sharing options...
JD Mather Posted January 12, 2012 Share Posted January 12, 2012 Your file works on my machine. Problems with STEP and FEA - I think I have heard this before. Did you install with anti-virus and UAC turned off? Have you installed all Service Packs? Reboot computer. If not, turn off anti-virus and UAC. Do a Repair Install. Install all Service Packs. Quote Link to comment Share on other sites More sharing options...
ryansanderson172 Posted January 12, 2012 Author Share Posted January 12, 2012 Your file works on my machine.Problems with STEP and FEA - I think I have heard this before. Did you install with anti-virus and UAC turned off? Have you installed all Service Packs? Reboot computer. If not, turn off anti-virus and UAC. Do a Repair Install. Install all Service Packs. I'll try that , where do I find the service Packs? As I'm running student Thanks again been a real help! Cheers Ryan Quote Link to comment Share on other sites More sharing options...
JD Mather Posted January 12, 2012 Share Posted January 12, 2012 Once again, there is no difference between student and commercial - only the license terms of use are different. A Google search should turn up the download site for the updates (that is how I find them). Quote Link to comment Share on other sites More sharing options...
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