We tested the code against the method of Burrows and Sharp, the free thermochemical equilibrium code Chemical Equilibrium with Applications (CEA), and the example given by Burrows and Sharp. Given elemental abundances, TEA calculates molecular abundances for a particular temperature and pressure or a list of temperature–pressure pairs. It applies Gibbs free-energy minimization using an iterative, Lagrangian optimization scheme. The code is based on the methodology of White et al. Oliver, E-mail: present an open-source Thermochemical Equilibrium Abundances (TEA) code that calculates the abundances of gaseous molecular species. TEA: A CODE CALCULATING THERMOCHEMICAL EQUILIBRIUM ABUNDANCESīlecic, Jasmina Harrington, Joseph Bowman, M. TEA is available under a reproducible-research, open-source license via. There is a start guide, a user manual, and a code document in addition to this theory paper. TEA is written in Python in a modular format. We also applied the TEA abundance calculations to models of several hot-Jupiter exoplanets, producing expected results. Using their thermodynamic data, TEA reproduces their final abundances, but with higher precision. We tested the code against the method of Burrows & Sharp, the free thermochemical equilibrium code Chemical Equilibrium with Applications (CEA), and the example given by Burrows & Sharp. Given elemental abundances, TEA calculates molecular abundances for a particular temperature and pressure or a list of temperature-pressure pairs. We present an open-source Thermochemical Equilibrium Abundances (TEA) code that calculates the abundances of gaseous molecular species. TEA: A Code Calculating Thermochemical Equilibrium Abundancesīlecic, Jasmina Harrington, Joseph Bowman, M. With a few exceptions, all calculated loads were within 25 percent of nominal test data. Four of the seven codes include rotor-tower interaction and three were limited to rotor analysis. Results were compared with test data on the basis of cyclic loads, peak loads, and harmonic contents. Seven computer codes for analyzing performance and loads in large, horizontal axis wind turbines were used to calculate blade bending moment loads for two operational conditions of the 100 kW Mod-0 wind turbine. Data and materials availability: All data are available in the manuscript and the supplementary materials.Comparison of computer codes for calculating dynamic loads in wind turbines Competing interests: The authors declare no competing interests. wrote the manuscript with input from all authors. provided the modeling code in the finite element analysis. conducted the finite element analysis and mechanical analysis. Author contributions: D.C., Z.L., and C.G. Funding: This work was funded by the National Key R&D Program of China (grant 2016YFA0200200), the National Natural Science Foundation of China (grants 52090030, 51533008, 51703194, 11890674, and 51873191), and the Hundred Talents Program of Zhejiang University (grant 188020*194231701/113). Zheng in the State Key Laboratory of Chemical Engineering at Zhejiang University for assistance with performing EDS analysis and SSRF for x-ray diffraction measurements.
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