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Several data sets are provided, allowing you to recreate the simulation results shown in Figure 7 from either: 1) the initial MR data or 2) the geometric model and boundary condition files that are input into the finite-element simulation software. The data for Figures 4 and 5 are also provided.
Downloads instructions and details
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MRI Data
MRI data acquired using a 1.5 T system (Signal, GE Medical Systems) and a head coil. Geometry and inlet velocity and flow measurements were used for generating simulation results. Other velocity and flow measurements were used for validation.
Imaging Data
Oct 05, 2009

  

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Oct 05, 2009
2 MB
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Data/images/video
Magnetic resonance angiography images (64 slices) of the arterial physical model/phantom, used for creating a geometric model for simulation

Oct 06, 2009
8 MB
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Data/images/video
PC-MRI three-component velocity data files at the inlet of the arterial bypass model

Oct 06, 2009
8 MB
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Data/images/video
PC-MRI three-component velocity data files for a slice through the arterial branch of the model immediately after bifurcation

Oct 06, 2009
6 MB
Any
Data/images/video
PC-MRI three-component velocity data files for a slice through the bypass branch of the model

Oct 06, 2009
6 MB
Any
Data/images/video
PC-MRI three-component velocity data files for a slice immediately distal to the stenosis in the model

Oct 06, 2009
8 MB
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Data/images/video
PC-MRI three-component velocity data files for a slice at the outlet of the arterial bypass model

PLEASE CITE THESE PAPERS

Ku, J.P., Elkins, C.J., Taylor, C.A., “Comparison of CFD and MRI Flow and Velocities in an In Vitro Larger Artery Bypass Graft Model,” Annals of Biomedical Engineering, 2005; 33(3): 257-269. (2005)


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Simulation Inputs
Input files needed to run the finite-element simulation
Simulation Input Files
Oct 05, 2009

  

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Oct 05, 2009
1 MB
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Data/images/video
VTK files of the model inlet (mesh) with the inflow velocities mapped onto the mesh

Apr 29, 2016
546 KB
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Other
A solid model of the phantom, derived from image segmentation from the MRA images

Apr 29, 2016
144 MB
Any
Other
SCOREC-generated mesh files used for the simulations. mesh500k.sms contains 500,000 elements; mesh43mil.sms has 4.3 million elements.

PLEASE CITE THESE PAPERS

Ku, J.P., Elkins, C.J., Taylor, C.A., “Comparison of CFD and MRI Flow and Velocities in an In Vitro Larger Artery Bypass Graft Model,” Annals of Biomedical Engineering, 2005; 33(3): 257-269. (2005)


Output: Flow Measurements
Flow rate measurements were computed several different ways during this experiment: with an ultrasonic flow probe, with PC-MRI, and from finite-element simulation results. These measurements are provide in this package.
Flow Measurements
Jul 04, 2016

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Jul 03, 2016
28 KB
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Data/images/video
Flow measurements were made with an ultrasonic flow probe (Model 14C, Transonic Systems, Inc., Ithaca, NY) at multiple times during the experiment. An average cycle was computed for three different time points during the experiment and is presented in the Excel spreadsheet. This data enables the recreation of Figure 4 in the paper.

Jul 06, 2016
13 KB
Any
Data/images/video
Flow measurements plotted in Figure 5 of the paper are provided in this Excel spreadsheet. Finite-element simulation data is averaged spatially and temporally, as described in the paper. Flow at 5 locations for the simulation data and at 6 locations for the PC-MRI data are included.

PLEASE CITE THESE PAPERS

Ku, J.P., Elkins, C.J., Taylor, C.A., “Comparison of CFD and MRI Flow and Velocities in an In Vitro Larger Artery Bypass Graft Model,” Annals of Biomedical Engineering, 2005; 33(3): 257-269. (2005)


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