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@InertialMicrocavitationRheometry

IMR

Inertial Microcavitation Rheometry

Inertial Microcavitation Rheometry (IMR)

Welcome to the IMR GitHub Org.!

Inertial Microcavitation high strain-rate Rheometry (IMR) correlates the evolution of the bubble pressure and the stress field in the material with the resulting kinematics, namely the change in bubble radius over time, which is recorded via high-speed videography.

IMR originated from the Franck Lab at the University of Wisconsin-Madison. The first paper discussing IMR is located here. Now, it is developed and maintained by the groups of Professors (alpha by last).

There is a user guide and documentation to get you started. Another good resource is the README.md in the repositories.

If you have questions, you can contact the maintainers (e.g., Jon Estrada) and/or request to join the IMR Slack workspace.

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  1. Intro-to-IMR Intro-to-IMR Public

    Simple codes to numerically simulate laser/ultrasound-induced inertial cavitation bubble dynamics in soft materials

    MATLAB 14 3

  2. IMR_nonspherical_dynamics IMR_nonspherical_dynamics Public

    Perturbed cavitation bubble interfaces

    MATLAB 1

  3. IMR_Bayesian_inference IMR_Bayesian_inference Public

    IMR Bayesian Optimal Model Selection

    MATLAB

  4. parsimonious_IMR parsimonious_IMR Public

    Forked from zhirenruns/parsimonious_IMR

    A parsimonious inverse characterization procedure for soft material viscoelasticity. Laser-induced cavitation experiment data is processed according to an analytical energy budget framework to rapi…

    MATLAB 4 2

  5. IMR_data_assimilation IMR_data_assimilation Public

    IMR with Data Assimilation

    MATLAB 2 2

  6. Sliding_DA Sliding_DA Public

    Sliding-window data assimilation

    MATLAB 2

Repositories

Showing 10 of 12 repositories
  • IMR_nonspherical_dynamics Public

    Perturbed cavitation bubble interfaces

    InertialMicrocavitationRheometry/IMR_nonspherical_dynamics's past year of commit activity
    MATLAB 0 GPL-3.0 1 0 0 Updated Aug 18, 2026
  • Sliding_DA Public

    Sliding-window data assimilation

    InertialMicrocavitationRheometry/Sliding_DA's past year of commit activity
    MATLAB 2 0 0 0 Updated Jun 11, 2026
  • .github Public
    InertialMicrocavitationRheometry/.github's past year of commit activity
    0 1 0 0 Updated May 13, 2026
  • IMRv2 Public

    IMR version 2

    InertialMicrocavitationRheometry/IMRv2's past year of commit activity
    MATLAB 3 GPL-3.0 4 11 0 Updated Apr 20, 2026
  • IMR_Bayesian_inference Public

    IMR Bayesian Optimal Model Selection

    InertialMicrocavitationRheometry/IMR_Bayesian_inference's past year of commit activity
    MATLAB 0 MIT 0 0 0 Updated Apr 10, 2026
  • IMR_Bayesian_design Public

    IMR-based Bayesian Optimal Experimental Design

    InertialMicrocavitationRheometry/IMR_Bayesian_design's past year of commit activity
    MATLAB 3 MIT 0 0 0 Updated Dec 20, 2025
  • parsimonious_IMR Public Forked from zhirenruns/parsimonious_IMR

    A parsimonious inverse characterization procedure for soft material viscoelasticity. Laser-induced cavitation experiment data is processed according to an analytical energy budget framework to rapidly estimate an optimal set of viscoelastic model parameters.

    InertialMicrocavitationRheometry/parsimonious_IMR's past year of commit activity
    MATLAB 4 3 0 0 Updated Oct 23, 2025
  • IMR_RBF_BOED Public

    Accelerated BOED via RBFs

    InertialMicrocavitationRheometry/IMR_RBF_BOED's past year of commit activity
    MATLAB 1 MIT 1 0 0 Updated May 19, 2025
  • Intro-to-IMR Public

    Simple codes to numerically simulate laser/ultrasound-induced inertial cavitation bubble dynamics in soft materials

    InertialMicrocavitationRheometry/Intro-to-IMR's past year of commit activity
    MATLAB 14 3 0 0 Updated Jan 7, 2025
  • IMR_data_assimilation Public

    IMR with Data Assimilation

    InertialMicrocavitationRheometry/IMR_data_assimilation's past year of commit activity
    MATLAB 2 2 1 0 Updated Dec 16, 2023

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