Openturns and Its Graphical Interface

Abstract

OpenTURNS is an open source library for uncertainty propagation by probabilistic methods. Developed in a partnership of five industrial companies (EDF, Airbus, Phimeca, IMACS and ONERA), it benefits from a strong practical feedback. Classical algorithms of UQ are available : central dispersion, probability of exceedance, sensitivity analysis, metamodels and stochastic processes. Developed in C++, OpenTURNS is also available as a Python module and has gained maturity thanks to more than 10 years of development.However, there are situations where the engineer in charge of performing an uncertainty study does not want to use a programming language such as C++ or Python. In this context, providing a graphical user interface (GUI) may allow to greatly increase the use of Open-TURNS and, more generally, of the UQ methodology.In this paper, we present a basic tutorial of OpenTURNS in Python and will review the new features in the library, which include new incremental statistical estimators. In the second part, we review the new features in the open source GUI will be presented.