The shear correction factor of 0.833=5/6 is dimensionless and explained in this paper: https://doi.org/10.1016/j.cma.2005.11.011

Can you open an issue for the seg fault (uploading the input file on GitHub)? Thank you!

For the outlets, you can use keys like "flow:branch18_seg2:RESISTANCE_10" or "flow:branch17_seg0:RESISTANCE_9". Make sure the branch/segment is connected to the respective outlet.

You probably have RCR boundary conditions. Since they include a capacitor, it can take several cardiac cycles to be "charged." This means that when you initialize your simulation from zero velocity and pressure, you will see the pressure building up over several cardiac cycles as you did. The time c...

Have a look at the documentation: https://simvascular.github.io/svZeroDSolver/ You could call solver.get_full_result(), which returns a pandas dataframe from which you can pick the results you'd like. You can see some post-processing in use when looking at the test framework: https://github.com/SimV...

This is now fixed in SimVascular. You should be able to extract your 0D models and run them in svZeroDSolver without issues. Thank you for reporting this, Ricardo!

Hi Ricardo, The first error looks like a bug in SimVascular. I'll have a look at it. To fix it, you can replace all occurrences of internal_junction with NORMAL_JUNCTION in your input file. The BloodVesselJunction element has additional parameters for 0D elements inside the junction and is not usefu...

Hi, Please find the explanations below and let me know if you have more questions! Martin BifurcationId : 1,..,n in all n junctions of the model, -1 in branches BifurcationIdTmp : Internal parameter used during junction/branch detection BranchId : 1,..,n in all branches of the model, -1 in junctions...

I think the 1D solver will start from the pressure you set as "reference pressure" for the material.

Hi Wojciech,

It's a bit misleading that "exponent" refers to the material. That parameter controls the polynomial order of the flow profile. For Poiseuille flow with a parabolic flow profile you would have a material exponent of two.

Hope this helps!

Martin

Hi Ricardo, Dave and I discussed another workaround yesterday: 1. Cut out a branch of the 3D geometry to remove the loop, generating two new outlets 2. Generate centerline and 0D model on the cut 3D geometry (with the two additional outlets) 3. Generate centerline and 0D model on the cut branch (wit...