pyStrata

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Site response analyses implemented in Python. This Python packages aims to implement many of the features found in Strata_. These features include:

• Input motion characterization:
  • Time series
  • Random vibration theory
• Wave propagation or site amplification:
  • linear
  • equivalent-linear
  • equivalent-linear with frequency dependent properties
  • quarter wavelength
• Nonlinear curve models:
  • Predictive models:
    • Darendeli (2001)
    • Menq (2004)
    • Kishida (2012)
  • Curves:
    • Vucetic & Dobry (1991)
    • EPRI (1993)
    • GEI (1983)
    • GeoMatrix (1990)
    • Idriss (1990)
    • Imperial Valley Soils
    • Iwasaki
    • Peninsular Range
    • Seed & Idriss
• Site and soil property uncertainty:
  • Toro (1994) Vs correlation model
  • G/Gmax and D uncertainty:
    • Darendeli (2001)
    • EPRI SPID (2013)

Development of this software is on-going and any contributions are encouraged. Previously named pysra, but renamed after some sage and persistent advice to be better associated with Strata_.

Installation

pystrata is available via pip and can be installed with::

pip install pystrata

If you are using conda and a create a pystrata specific environmental make sure you install ipykernels and nb_conda_kernels so that the environment is discoverable by Jupyter with::

conda install ipykernel nb_conda_kernels

Citation

Please cite this software using the following DOI_.

Examples

There are a variety of examples of using pystrata within the examples directory_. An interactive Jupyter interface of these examples is available on |MyBinder|.

.. _Strata: https://github.com/arkottke/strata .. _DOI: https://zenodo.org/badge/latestdoi/8959678 .. _examples directory: https://github.com/arkottke/pystrata/tree/main/examples

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