SimVascular/svOneDSolver

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A C++ solver for blood flow and pressure in deformable 1D hemodynamic networks

Stars: 22
Forks: 27
Open beginner issues: 0
Indexed issues: 29

Dominant language: C++
License: No license data
Last GitHub push: Aug 10, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

29 open issues indexed

Bug report: reference geometry inconsistency (area-based vs radius-based linear interpolation) Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

SimVascular/svOneDSolver#128 · Opened Nov 27, 2025
Numerical oscillations in test case `Left_coronary_inlet_pressure_wave_outlet_coronary.in` when using smaller time step Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

SimVascular/svOneDSolver#127 · Opened Nov 14, 2025
Bug report: Inflow BC for 1D problem Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

SimVascular/svOneDSolver#126 · Opened Oct 27, 2025
Convert all .in input files to .json Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

SimVascular/svOneDSolver#125 · 2 comments · Opened Mar 31, 2025
Add folder structure Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 30/100

SimVascular/svOneDSolver#124 · 1 reaction · Opened Mar 16, 2025
Input local vessel area Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

SimVascular/svOneDSolver#123 · 6 comments · Opened Mar 7, 2025
Store reference solutions for test cases Open

enhancement good first issue

Difficulty 4/5 3-5 days Newbie friendliness 45/100

SimVascular/svOneDSolver#122 · Opened Mar 6, 2025
buildPy cmake flag does not compile Open

bug

Difficulty 5/5 Over a week Newbie friendliness 25/100

SimVascular/svOneDSolver#120 · Opened Mar 2, 2025
Output only text and move VTK to a post-processor Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 32/100

SimVascular/svOneDSolver#119 · 1 comment · Opened Feb 18, 2025
Add code coverage Open

enhancement good first issue

Difficulty 4/5 3-5 days Newbie friendliness 35/100

SimVascular/svOneDSolver#117 · Opened Feb 10, 2025
Windows build fails Open

bug

SimVascular/svOneDSolver#115 · 1 assignee · Opened Jan 14, 2025
What should I do in order to modify the Minor loss coefficient K if I want to add the stenosis and bifurcation loss in the control equation in the svoneDSolver? Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

SimVascular/svOneDSolver#113 · 4 comments · Opened Jul 7, 2024
Automatic input file (.in) generation Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

SimVascular/svOneDSolver#111 · 5 comments · Opened Nov 30, 2023
Linear Material Is Broken (and also no test cases currently exists for it) Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

SimVascular/svOneDSolver#110 · Opened Nov 17, 2023
Adding outflow term to the solver implementation Open

enhancement

SimVascular/svOneDSolver#107 · 2 comments · 2 assignees · Opened Nov 7, 2023
Initial flow rate value is never used Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

SimVascular/svOneDSolver#104 · Opened Nov 30, 2022
Parallelization in commandline Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

SimVascular/svOneDSolver#103 · Opened Sep 27, 2022
Memory Usage Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

SimVascular/svOneDSolver#88 · Opened Jun 3, 2022
Remove documentation from the repository Open

bug

SimVascular/svOneDSolver#74 · 1 assignee · Opened Feb 8, 2021
This specific 1d solver input file does not run Open

SimVascular/svOneDSolver#70 · 4 comments · 1 assignee · Opened Sep 18, 2020
Check for periodic state Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

SimVascular/svOneDSolver#65 · 1 comment · Opened Jul 10, 2020
Features to Add: Random Modeling Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

SimVascular/svOneDSolver#59 · Opened Jun 2, 2020
Features to Add: Code Execution Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

SimVascular/svOneDSolver#58 · Opened Jun 1, 2020
Automatic build testing on Travis Open

testing

SimVascular/svOneDSolver#52 · 1 assignee · Opened May 26, 2020
SimVascular GUI Material Model too general Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

SimVascular/svOneDSolver#35 · 1 comment · Opened May 6, 2019
make SuperLU as the default linear solver Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

SimVascular/svOneDSolver#34 · 3 comments · Opened May 6, 2019
Assign boundary conditions Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

SimVascular/svOneDSolver#31 · Opened Apr 18, 2019
Minor Losses to Reimplement and Test Open

enhancement testing

SimVascular/svOneDSolver#23 · 1 comment · 1 assignee · Opened Feb 1, 2018
Boundary Conditions (outlets) to Reimplement and Test Open

enhancement testing

Difficulty 5/5 Over a week Newbie friendliness 20/100

SimVascular/svOneDSolver#22 · Opened Feb 1, 2018

SimVascular/svOneDSolver

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