Pipe Stress Analysis using ANSYS
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- čas přidán 10. 09. 2024
- This video present pipe simulation using ANSYS workbench. It highlights introduction to pipe analysis using ANSYS, element used for straight pipe, elbow, loading & boundary conditions, solution & stress extraction.
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Thank you for sharing your knowledge:)
Thank you for appriciation
Thank you for this video. It really helped me. It can be said that Ansys is adapted for pipeline analysis. But when it comes to pipeline support it’s not exactly the best solution. In practice, we encounter every day that the pipe rests only on the underside. This would mean that the pipe is possible to move in all directions except vertically downwards. This cannot be achieved with Ansys standard boundary conditions. However, it is possible to use a nonlinear spring (combin39 finite elements) but also this is not the simplest solution, especially for someone who is a beginner at Ansys. If you know a simpler way, I would kindly ask you to share with us.
Thanks, You are right there is no BC to constraint only in one direction. In Ansys if you are looking for more exact solution then you actually need to model supports and then build non linear contacts.
@@graspengineering9249 can you do such demo for pipe support with non linear contact in next video?
Thank you for your great video! I have a question - I try to compare thermal expansion for solid, shell and beam model of 1 m long pipe in Ansys and compare them against Caesar II. I get similar results for solid, shell and Caesar II but Ansys pipe 289 shows about two times less expansion, however, when I assign pipe idealization this strait pipe, I get correct result. Do you know why my beam pipe shows different results?
Sir,
Thank you for detailed explanation, its a request to kindly cover the type of pipe supports (Guide, Spring, Hanger etc.) to be defined considering the stress ans strain values to nullify the thermal expansion.
Okay. We will try to cover. Meanwhile if you have any specific piping support need to discuss, let us know.
Thank you sir. Like FE pipe and Nozzle pro, Can ANSYS evaluate pipe stiffness or flexibility at any junction being evaluated.
Yes!
thanks for the video, but can i ask you about the geometry? i need your model for my task, thanks
You can easily create this geometry in spcaclaim. We do not have copy of this file now.
when i solve first mesh i dont get them retangular, but triangular/tetraedric meshes. Any tip? Btw, my pipe has a diferent radious and curves.
You can define local mesh setting like hex dominant mesh in method.
How do you show the deformation of these elbow 290 elements ? Tnxs in advance
You need to keep results on beam in analysis setting. Then you are able to see deformation and stresses.
hello sir if i design this pipe model in other software like creo catia or nx cad then which file format is open in ansys from that software
Hello, ANSYS design modeler or space-claim imports most of cad software file like catia, solidworks, creo, etc. Most preferable is step file. You can save cad file in step or iges format and then import in ansys.
sir, in the same case, i can't build treatment as a pipe. what should i do?
Check the ANSYS version, you should able to do this.
Hi Team, excellent video can we import this load to modal and harmonic analysis to see how it will perform in dynamic analysis and if we use 2d element can we use pipe idealization....please calrify....Thanks !!!!
If you use shell elements, you pipe idealization is not done as 1D model. But shell elements represents the 3D Pipe so it should give the accruate results.
Where did you create that geomety
In Spaceclaim
Ansys consider the weight of the water in the pipe? If yes, Is possible to check this option? It is important how large the pipe diameter. Thanks and congratulations for the great job!
Thank you ! You can consider the fluid weight by adjusting in density.
Grasp Engineering this option is in “mechanical “ or in the main schedule?
I have imported my pipe drawing form catia, however i cant seem to define type model as pipe. Kindly advise me on this topic.
Hello, If you have beam model, then you will have pipe option. If you have 3d pipe model then preform regular analysis, no need of pipe module idealization.
@LUQMAN HAKIM what ?
hi team thanks for the reply how can we give pipe pressure for 2D pipes i.e., for midsurface extracted pipes
Yes, you can apply pressure on shell element based on normal. Refer our pressure vessel smodeling appraoch video.
thank you @@graspengineering9249
Great video! However which version did you use? Can anyone suggest?
Thank you; ansys 2020R1
Sir, in Same Analysis, can you give examples what is the requirements of Allowable stress in ASME and how to compare with ansys stress results,
Allowable stress is based on material designation, grade and temperature. you will get allowable details from ASME Section II Part D. You can compare allowable limit with ansys (equivalent) stresses. If you found stresses above allowable then you might need to do design changes (for present case pipe dimension).
Thank you sir very helpful, how about if there is no quadratic option ? Because im using ansys 15.0
Welcome ! You can check keep or drop options. Kept keep which is as same as quadratic.
@@graspengineering9249 thank you sir, i hope your kindness back to you
Hi, Your videos are great. Is it possible that you upload links of geometries you use in all your tutorials and paste their link in the description in the details on the youtube page. It will make practising these tutorials easy. Thanks
Most of geometries are refereed from free internet sources like Grab-cad library, while few of them are modeled in design Modeler. We will consider geometry sharing near future.
@@graspengineering9249 In that case, perhaps just add gradcad geometry URL. I can visit the webpage and download the geometry from the link.
Okay we will provide the link for the geometry too.
@@graspengineering9249 where is the link for geometry in this video?
can tou provide detail lectyre on creating pipe?
we have video on pipe modeling too. Please check description/ channel page for video link.