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OpenTURNS: Open source initiative to Treat Uncertainties, Risks’N Statistics

Laurent Champaney's picture

For those who work in the field of uncertain mechanics, please have a look at OpenTURNS. Wrappers to link your favorite code are easy to built.


What is OpenTURNS ?

OpenTURNS is an Open source initiative to Treat Uncertainties, Risks’NStatistics in a structured industrial approach.

Since the beginning of 2005, a partnership of three
has been working on building together a tool designed to
perform uncertainty treatment and reliability analyses.

Key characteristics

OpenTURNS is a Unix/Linux software with three main components :

  • a scientific C++ library including an internal data model and
    algorithms dedicated to the treatment of uncertainties. The main
    function of that library is giving to specific applications all the
    functionalities needed to treat uncertainties in studies. Targeted users
    are all engineers who want to introduce the probabilistic dimension in
    their so far deterministic studies.
  • an independent application with a graphical user
    interface. This application was built to become the work environment for
    the specialist of the treatment of uncertainties. Targeted users are
    once again industrial practitioners: those who identify the treatment of
    uncertainties as a full task, which can be spread to multiple
    engineering domains.
  • a python module with high level operators in the
    probabilistic and statistical field. The interest of this language is to
    be both a powerful scientific language (capable of using C++
    libraries), and a user friendly interpreted language like Matlab’s one.
    This python module was designed to make the development of prototypes
    easier (in order to test new algorithms and methods for example), to
    become an easy-to-use support for educational works, … This module
    intends to become a natural environment capable of integrating new
    developments within the field of uncertainty and sensitivity analysis.
    The targeted users are here research centres and the academic community.

An overview of all features available in OpenTURNS is given here.

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