Abstract
In this article, the first-order sensitivity coefficients for a system of stiff nonlinear differential equations from the anaerobic digestion model are calculated. In this approach, the auxiliary equations used to calculate the sensitivity coefficients are solved separately from the model equations, using the same time steps and numerical approximations used in the calculation of the model solution by the Rosenbrock method of order four. The results show the importance of each reaction for each species involved in the model.
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Acknowledgements
This research is being developed at the Federal University of Rio Grande do Sul-UFRGS. The author M.I. Silva thanks the financial support of CNPq-Conselho Nacional de Desenvolvimento Científico e Tecnológico, under Grant 142560/2018-9. Professor De Bortoli gratefully acknowledges the financial support of CNPq, under Grant 306768/2018-6.
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Silva, M.I., De Bortoli, A.L. Sensitivity Analysis for Verification of an Anaerobic Digestion Model. Int. J. Appl. Comput. Math 6, 38 (2020). https://doi.org/10.1007/s40819-020-0791-z
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DOI: https://doi.org/10.1007/s40819-020-0791-z