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January 5, 2024 at 6:05 am
23114210
SubscriberHello, I am simulating blood flow in the coronary artery but I want to make it realistic so what solid material should I choose in ansys fluent?
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January 5, 2024 at 8:53 am
CFD_Friend
Ansys EmployeeHi Ahmed,
Steady flow in 3D Bifurcating Arteries | Ansys Courses
Check this course out. You will find this useful.
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January 5, 2024 at 8:59 am
23114210
SubscriberYes, I have checked but in that course, they did not change the solid just made fluid (blood) and some other parameter.
My question is how I can make the material hyperelastic in Ansys Fluent, currently by default this is alumunium? -
March 28, 2024 at 5:44 pm
Anas Al Rafin
Subscriber Hello Ahmed Raza,
I am walso trying simulating Coronary Artery bypass grafting . i need good paper which is i can validate can you help me
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January 5, 2024 at 11:02 am
Rob
Forum ModeratorThe Fluent FSI component may not handle large deformation well, you may need to couple to Mechanical. I also advise doing some very careful reading around arterial wall properties, and specifically what's on the "dry" side of the artery wall.Â
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January 8, 2024 at 6:27 am
23114210
SubscriberCan you explain in detail how I can do this I did not get your point well.
Â
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January 8, 2024 at 11:20 am
Rob
Forum ModeratorIn the body an artery is prevented from stretching by both the artery wall but also the surrounding tissue. If you neglect the latter you may find the artery deforms more than is expected.Â
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January 9, 2024 at 1:14 am
23114210
SubscriberIn Ansys can we create this type of environment ?
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January 9, 2024 at 4:32 am
23114210
Subscriberother than the above question I also want to ask if I can use two fluids like blood and contrast agents i also want to simulate this.
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January 9, 2024 at 11:31 am
Rob
Forum ModeratorYes, that would be a species model; you'd have a mixture of blood and contrast.Â
You create the enviroment in exactly the same way as any model. Figuring out the artery properties & any surrounding effects will need some research & work. Have a look in the Learning section on here to see the artery example - that will give you some ideas to get started.Â
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January 10, 2024 at 4:42 am
23114210
SubscriberI got your point in developing the realistic environment and have also completed the Ansys innovation course on the bifurcation of the carotid artery.
In Anys Fluent what is the role of solids does it affect the results of fluids or we can neglect it only in Fluent simulations?
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January 10, 2024 at 9:56 am
Rob
Forum ModeratorSolids are generally used for heat transfer if we need to include conductivity effects etc. If there is no heat transfer it's common to omit them, so we may have voids inside a domain or use thin walls around them. However, if you're working with Mechanical for FSI you may want to model the wet bit in Fluent and a solid zone in Mechanical to allow solid cells over shell elements.Â
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- The topic ‘Simulating Coronary Artery’ is closed to new replies.
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