RSNA QIBA wiki overview of US SWS Digital Phantom Studies
Related publication to cite: Palmeri ML, Qiang B, Chen S, Urban M. "Guidelines for Finite-Element Modeling of Acoustic Radiation Force-Induced Shear Wave Propagation in Tissue-Mimicking Media," IEEE TUFFC, 64(1):78-92, 2016.
This repository contains the parameters and simulation configuration files used for the digital phantom datasets that will be circulated to all of the manufacturers.
- Radius of curvature: 60 mm
- Element Height: 14 mm
- Element Pitch: 0.477 mm (0.007 mm kerf)
- Center Freq: 3.0 MHz
- Frac. Bandwidth: 100%
- Elevation Focus: 50 mm
- Frequency: 3.0 MHz
- F/# = 2, 3.5
- 500, 1000 cycles
- Focal Depths: 30, 50, 70 mm
- Attenuation: 0.45 dB/cm/MHz
- Linear
- Poisson’s ratio: 0.495
- Shear modulus: [1.0, 2.0, 5.0, 10.0] kPa
- LS-DYNA Input Deck:
dyna/qiba_elastic_pml.dyn - LS-DYNA Run Script:
dyna/qiba_elastic_pml.py - ABAQUS Input Files:
abaqus/
- G_0 = 10 kPa, G_infinity = 2 kPa, beta = 6666.7 Pa-s
- G_0 = 15 kPa, G_infinity = 4 kPa, beta = 5500.0 Pa-s
- G_0 = 20 kPa, G_infinity = 4 kPa, beta = 4000.0 Pa-s
- LS-DYNA Input Deck:
dyna/qiba_ve_pml.dyn - LS-DYNA Run Script:
dyna/qiba_ve_pml.py - FEBio Input File:
febio/phantom1_200Hz_case1.feb
- Displacement data in the imaging plane saved at 0.1 mm spacing every 0.1 ms.
- 15 mm of total lateral extent
- Just axial components of displacements
- Just imaging plane displacements
- MATLAB-formatted data will be shared
- ¼ symmetry
- 0.25 mm node spacing
- 10 mm elevation
- 25 mm laterally
- Focal depth + 25 mm axially
- PMLs on outer lateral/elevation faces and top/bottom
- Ultrasonic tracking configurations and realizations
The raw simulation data for processing is available through the Duke University Library Digital Research Data Repository: QIBA Ultrasound Shear Wave Speed Digital Phantoms
- Dr. Shigao Chen, Ph.D.
- Dr. Mark Palmeri, M.D., Ph.D.
- Bo Qiang, MSEE
- Dr. Matthew Urban, Ph.D.
- Dr. Jingfeng Jiang, Ph.D.
This work has been supported in part by RSNA QIBA, FDA contracts HHSF223201400703P and HHSN268201300071C, and NIH grants R01DK092255 and R01 EB002132.