Stresses in Cylinders | Ansys Workbench
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- Опубликовано: 11 сен 2024
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Generally, cylinders are employed for transporting or storing fluids i.e. liquids and gases. Examples-: LPG cylinders, boilers, storage tanks, etc.
Due to the fluids inside a cylinder, these are subjected to fluid pressure or internal pressure (Say P). Hence at any point on the wall of the cylinder, three types of stresses are developed in three perpendicular directions. These are:-
1. Circumferential Stress or Hoop Stress (h):
This stress is directed along the tangent to the circumference of the cylinder. This stress is tensile in nature. This stress tends to increase the diameter.
The bursting in the cylinder will take place if the force due to internal fluid pressure(P) acting vertically upwards and downwards becomes more than the resisting force due to circumferential stress (h) developed in the cylinder.
2. Longitudinal Stress (L):
This stress is directed along the length of the cylinder. This stress is also tensile in nature. This stress tends to increase the length.
3. Radial Stress (r):
The radial stress for a thick-walled cylinder is equal and opposite to the gauge pressure on the inside surface, and zero on the outside surface. The circumferential stress and longitudinal stresses are usually much larger for pressure vessels, and so for thin-walled instances, radial stress is usually neglected.
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Not the right way to report cylindrical stress, please create 1 cylindrical coordinate system then report hoop and radial. your cartesian CSYS is clearly showing the same stress of hoop and radial, please correct that
To achieve the proper axial stress with minimal error, it is necessary to provide an accompanying end cap reaction force. This force will be equivalent to the pressure multiplied by the inner cross-sectional area. As previously stated by another viewer, it is advisable to utilize a cylindrical coordinate system for ease of calculation.
its unbelievable how many of those youtube "tutorials" on pressure vessels are wrong. boundary conditions, path and coordinate system all ill defined.
Nicely done , keep up the good work
Thanks Buddy 👍✌️
Really liked the detail analysis..great work..keep it up...
Thankyou very much brother 🤓🤓
It really helped me to work on my project. Thanks. Can you also make a video on a closed cylinder with two cylindrical pits on it, please.
Thanks.
Solver pivot warnings or errors have been encountered during the solution. This is usually a result of an ill conditioned matrix possibly due to unreasonable material properties, an under constrained model, or contact related issues. Check results carefully.
i have done the same but this msg appears
Fricctionless support gives an error in my results only fixed works- any idea about this? Thanks!
theoretical link is not working please help it shows url not found
I have a cylinder with orthotropuc properties in cylindrical coordinate system (carbon fiber composite with fiber direction along theta)
How do i define the material in workbench? In the engineering data i can only define a material with orthotropic properties in cartesian xyz system..
Hi, Sorry I won't be able to answer that now. It's been years since i left Ansys to start working in AI. But as far as I remember there was an option , we had defined custom materials for some testing.
مرسی
I miss ansys.....😆😆
Those were golden days 🤓😎
I tried doing this but it says error due to not enough constraints. any ideas?
Nyc job
Thanx Man 👍
can i know what does the equivalent stress and hoop stress mean here?
Hoop stress not equal normal stress ?!!
Good
Thankyou !
sucessfully wastedd 12 minutes