Welcome to the documentation of pyvisco!

Pyvisco is a Python library that supports the identification of Prony series parameters in Generalized Maxwell models describing linear viscoelastic materials.

The source code of pyvisco is hosted at GitHub. The API documentation is hosted at ReadtheDocs. The web application can be accessed through the Hugging Face Space.

Contents

• pyvisco
  • Overview
  • Installation
  • Example data
  • Usage
  • Verification
  • Citation
    • APA
    • BibTeX
  • Contributing
  • License
• Theory of linear viscoelasticity
  • Mathematical description
  • Experimental characterization
• API Reference
  • pyvisco.load
    • conventions()
    • file()
    • prep_csv()
    • prep_excel()
    • Eplexor_raw()
    • user_raw()
    • Eplexor_master()
    • user_master()
    • user_shift()
    • get_sets()
    • get_units()
    • check_units()
  • pyvisco.master
    • pwr_y()
    • pwr_x()
    • fit_pwr()
    • fit_at_pwr()
    • get_aT()
    • get_curve()
    • plot()
    • plot_shift()
    • plot_shift_update()
    • smooth()
    • plot_smooth()
    • plot_shift_debug()
  • pyvisco.opt
    • nprony()
    • plot_fit()
    • plot_residual()
  • pyvisco.out
    • add_units()
    • to_csv()
  • pyvisco.prony
    • discretize()
    • plot_dis()
    • ls_res()
    • split_x0()
    • E_relax_norm()
    • fit_time()
    • E_freq_norm()
    • fit_freq()
    • calc_GMaxw()
    • GMaxw_temp()
    • plot_GMaxw()
    • plot_GMaxw_temp()
    • plot_param()
    • fit()
    • plot_fit()
  • pyvisco.shift
    • WLF()
    • poly1()
    • poly2()
    • poly3()
    • poly4()
    • fit_WLF()
    • fit_poly()
    • plot()
  • pyvisco.styles
    • format_fig()
  • pyvisco.verify
    • load_prony_ANSYS()
    • prep_prony_ANSYS()
    • plot_fit_ANSYS()
• Changelog
  • v2.1.1 (2026-06-04)
    • Added
    • Changed
    • Fixed
    • Removed
  • v2.1.0 (2026-06-03)
    • Added
    • Changed
    • Deprecated
    • Removed
  • v2.0.2 (2026-06-02)
    • Fixed
    • Changed
    • Removed
  • v2.0.1 (2026-06-01)
    • Added
    • Changed
  • v2.0.0 (2026-06-01)
    • Added
    • Changed
    • Fixed
    • Removed
  • v1.0.5 and earlier

Indices and tables

• Index

• Search Page

Dependencies

Runtime and optional dependencies are declared in pyproject.toml under [project] dependencies and [project.optional-dependencies]. See the project page on PyPI or the source pyproject.toml for the authoritative list.