OneDSolver - stenosis element

Provides a system for patient-specific cardiovascular modeling and simulation.
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Hunor Csala
Posts: 4
Joined: Tue Sep 28, 2021 4:41 pm

OneDSolver - stenosis element

Post by Hunor Csala » Tue Aug 22, 2023 4:45 pm

Hi all,

I'm running some 1D simulations and I'm wondering if the solver is using the stenosis elements by default? I'm referring to Eq. 14 from https://arxiv.org/abs/2111.04878 , for example. I would assume that the default is to just use Eq. 10: N=8*pi*nu, but I'm not sure. I don't see any option for switching between these in the SimVascular interface, does it decide automatically to use the stenosis elements for some segments?
In Sec. 2.4.4 of the above paper, stenosis detection is mentioned, but I don't see where is this option in SimVascular.

Thanks!
Hunor

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David Parker
Posts: 1719
Joined: Tue Aug 23, 2005 2:43 pm

Re: OneDSolver - stenosis element

Post by David Parker » Mon Aug 28, 2023 12:15 pm

Hi Hunor,

The 1D solver does not use the stenosis elements by default. Have a look at the test problem here https://github.com/SimVascular/svOneDSo ... nosis_r.in.

The ROM documentation needs to be updated with this information.

Cheers,
Dave

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