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ANSYS Workbench Tutorial Video | Bolt Pretension | Contact Non Linear FE Analysis | GRS |
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- čas přidán 14. 08. 2024
- 00:00 - Introduction
00:55 - Create File, Define Material, Unit
02:00 - Defining Nonlinearity
03:00 - Geometry Editing
10:00 - Dealing w/ Coordinate system for Bolt Pre-tension
12:00 - Defining the contacts
15:20 - Contact tool
16:04 - Meshing
17:30 - Bolt Loading & Boundary conditions
19:20 - Solution & Force convergence
21:05 - Behavior animation & Stress results
Howbolt pretensions works in FEA?
First, the software divides a meshed body using the PSMESH command. Next, a pre- tension element effectively writes a constraint equation that relates the displacement of one cut boundary to the other. Within the simulation environment, the face selected is used as a cutting guide for the PSMESH command. This
means that you only need to select one clamshell face to define bolt load on an imported cylinder. The simulation tool
will then use the middle of the selected face for the mesh division and pretension element creation. Bolt preload direc-
tion is determined automatically. If you need more control over the preload application location, the bolt load can be scoped to a single body. You are then required to specify a coordinate system that defines the mesh slice plane and bolt load direction. This can be done through the default global or user-defined coordinate system. The XY-plane of the coordinate system defines the PSMESH slice plane, while the Z-axis defines the
direction of bolt preload. You don’t need to define the coordinate system “inside” the preloaded part.
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ANSYS Workbench Tutorial Video on Bolt Pretension Fastener or Bolt & nut Contact Non Linear FE Analysis | Metric units| Time stepping | Contact Status & Formulation | Gauss Point detection method | Mesh Refinement | Steel Material Assignment | Isotropic Hardening | Density Yield Tangent and Young Modulus | Creo to ANSYS IGES import & edit | Apply Force & Constraints | Plotting Result for Stress Strain Deflection Contact Pressure & Animation |
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Thanks friend, im from Venezuela, in spanish language there aren't info/tutorials about this kind of analysis software, i'm very grateful, also, your form of speaking slow is pro for each one that don't are english as their tongue.
im hope you continue with these tutorials.
(y)
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Excellent detailed explanation sir. I am your follower from now onwards.
you're Videos are fascinating man. Thanks for sharing your knowledge with us...
Arash Shafegati Arash, good to know that you liked my work, here is my website sites.google.com/site/feaengineeringdesign/ please share this with your colleague friends too
@@ANSYS-India hi,nice to meet you,can you share you cad file?
Very helpful video sir, could you please explain in detail the parameters you chose in contacts?
Thanks is advance
can i get the file sir...thank u
When importing the geometry, how do you get the axis, curves (sketches?) and other model features to import into ansys as well. when I make a model with a bracket, nut and bolt then import into ansys I only have 3 bodies and 3 parts vs the 11 in your video. thanks
Thanks from Chile
Nice video.
Hw to know which formulation and detection method should be selected at contact
Perfecto, muy buen video. Feliz 2015.
Edward Vásquez Morales Gracias, Edward. para más videos Con estas enlaces
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This clip is very helpful and useful. thank you so much.
You are welcome Reza,
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Ok. Would you please prepare a tutorial for meshing the multi bodies problem and checking the quality of meshes, as skewness and etc?
Sure Reza I do, stay connected to these videos and I will prepare the requested tutorial soon. For any querries and questions pls mail me engineeringtutorsdesk@gmail.com
very thanks for the kind response.
thank you very much bro
Hello sir, how to get back left-right panel after remove it as you removed at last.😅
Hi, could you please explain why the behavior should be symmetric in this case?
what a good video .. thanks a lot !!
on the connections 15:03 you just put the friction surface right ?? how can i explore on the solution to find volume loss due to load, pressure and friction occur .. which means volume loss of the surface layer of object
thankk youuu
Sir I had a doubt on fluid ... Hot fluid passing through a pipe.... Can you plz help me to complete it
hi sir, thankful for sharing your knowledge. i have very complicated model with more number of parts in geometry, i need to group them separately and give connections to them im very much confused to give connections to very compacted model. plz help me by suggesting how to connect each and every part with eachother. thank you for your time.
Thanks for the video, I have a question, if instead of split surfaces I have surfaces created in a CAD software for contact area of the NUT / BOLT HEAD would ANSYS treat this area the same as if they were split? Thanks!
Thanks 🌸
very helpful thank you very much
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Hello Sir,
The presentation is very good and useful. I need to know the following details.
1.For applying pretension, only half portion of the bolt is selected. Why it is so ?
2.While applying pretension, threaded portion of the bolt can be considered ?
Hari, ANS-01: only one half of the cylindrical surface is enough in ansys to recognise the axis of the bolt.
ANS-02: Threaded portion has to be considered only if you are interested in stress at threads.
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You only grabbed 1 surface of the bolt not sure that is right. you should grab the whole body and assign it a local axis. to ensure the entire cross sectional area is being tensioned evenly
how to analysis of threaded bolt joint please help me
Hi,sir, I want to know why you just select one side surface of the bolt to apply the preload.Why not two side surface?
+armstronger runner cylindrical surface selection will automatically recognize the Axis. The body to which this surface belongs to will be pre-loaded
+armstronger runner cylindrical surface selection will automatically recognize the Axis. The body to which this surface belongs to will be pre-loaded
Hi GRS, can you suggest me on this one. I want to validate an FE model of Bolted joint . Model is as simple as we can examine. Two plates connected with a bolt. Bolt is placed as if top plate has an extended length over bottom plate for abut 4mm and same is to bottom plate but extension is in opp side. if i fix my bottom plate extended side, give a displacement on top plate along length and bolt is pre-tensed, then how can i validate my results ?!!!.....what formulas can i use for bolt subjected to pre-tightening and displacement that creates shear combined in assembly?!!!!
Jay, sketch your problem description and send the snapshot to engineeringtutorsdesk@gmail.com. This will help me to help you.
Please , how can I generate extrude with arc
hi, i have a question, sorry for bothering, do you know how create a discontinuos welding
+Ivan Piñeiro can you share some details of it to grs@caeworldwide.com
I wanted to do the FLOW ANALYSIS of bolted flange with o''ring(gasket) for inside vacuum of 10^-6 torr and out side is 1 atm pressure for 300 diameter pipe to find out how many minimum no of bolt required to make it seal. someone please help me
did you ever complete this analysis?
ty very much but how did you make those circles for the face split in the first place? are they just circles made in a sketch?
Body operations> imprint> all bodies
Hello sit. I am doing one analysis related to structural engineering. I don't know How to simulation for Bolted connection. I am sending my file on your mail. Kindly help me. Thank You.
Is tangent modulus always 10% of Young’s modulus for all the material ?
I didn't watch the video all the way through, but at what point does he mention this and what do you mean by "tangent modulus"? Are you by chance referring to the 0.2% offset? That's the only thing I can think of off hand that I could see tangency remotely related to.
Let me know a time stamp in the format of mm:ss and I'd be glad to help clarify I possible,
-Adam
thank you so much for this useful tutorial video. Can you help me to make a video of "How to create model: nut+ bolt+bracket? " (geometry). BECAUSE in this video, you create first ,after that you import the geometry, so that we can not see how you create model. Thanks
Thanhha Tran, For Bolt, nut and Bracket modelling, Click on the link below
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would u please help me??if yes then how we design lead screw??plz guys help me..m waiting for ur suggestion
Sure, sketch your problem description along with what you are looking for and send the snapshot to engineeringtutorsdesk@gmail.com
Does anyone know how to get nodal force at connection between to beam element connected together?
thank you for this worth vedio,could you help me in the simulation of adhesive frp with steel beam.
Mohammed Please describe your problem with simple sketch and send me on engineeringtutorsdesk@gmail.com, I will work on your requirement
vedio ?? suit pehne se english nahi aata. jaatu
Just a quick question. Is it necessary to do the face split part for the analysis?
Greetings! ! Ya face splitting will ensure that contact elements in the local regions only. Presence of contact elements apart from the contact regions will increase the computation time.
GRS CAD/CAE Thanks! Also how is material nonlinearity considered in ansys? Let's say we would like to consider both material and contact nonlinearity. For the bolt pretensions, is there a way to assign a range of valuesin ansys let's say from 1 kN to 5 kN?
Answer-01: czcams.com/video/svE0ZW6QrrY/video.html this is the link for the material, contact and geometry non linearity.
Answer-02: Apply the full bolt pretension force, in analysis settings give time steps as follows, initial=50, minimum=25, maximum=100. Solve the problem. Once the solution is complete you can retrieve the results at 1N, 2N, 3N... from the tabular data.
GRS CAD/CAE Thanks very much for your advice. I did this and I got good results. Just curious if I wanted to apply an external load, do we define 2 load steps or I can do it in one load step if bolt pretension is present (in terms of validity of analysis)?
Yes to avoid unnecessary contact regions, this helps in reduction in computational time.
Sir,could you tell me why you need to build a new coordinate system on the bolt surface? If not , it is right of wrong?
+armstronger runner the bolt pre load will be along Z axis always, in the view of this new CSO need to be created, to ensure Z is along axis of bolt
Hello, I would like to ask you how does ANSYS know that preload is set in Z axis if you have not defined the preload using the LOCAL system. Thanks in advance
I mean, if we can not set the LOCAL system as a defined system in bolt pretension. How can we be sure that preload is in Z axis? Ty again
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loved this. very helpful. Can you do a video on cohesive zone modeling in ANSYS Workbench to simulate glue joint as well ?? that would be really very helpful.
Thanks
Avinash, I will try my best to do the tutorial, adhesive has entirely different behaviour compared to structural members.
GRS CAD/CAE thanks for your time and efforts. Will be waiting :)
Sure Avinash pls pick on the subscribe button just below my video, so that you will be notified as soon as I publish new video.
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Hi I am Krishna your provided online training
Yes, you can write to us engineeringtutorsdesk@gmail.com
Can u send ;me this document in my e-mail please ?