Título :	Numerical solution of Rothenberg's equation of the glottal airflow rate as a function of the glottal area using backward differentiation (L)
Autor :	Lucero, Jorge Carlos
metadata.dc.identifier.orcid:	https://orcid.org/ 0000-0003-0597-3808
Assunto::	Rothenberg, Equação de Fluxo de ar glotal
Fecha de publicación :	2-ago-2021
Editorial :	Acoustical Society of America
Citación :	LUCERO, Jorge C. Numerical solution of Rothenberg's equation of the glottal airflow rate as a function of the glottal area using backward differentiation (L). The Journal of the Acoustical Society of America, v. 150, n. 2, 706, 2021. DOI: https://doi.org/10.1121/10.0005755.
Abstract:	This letter shows the application of backward differentiation formulas to solve a differential equation by Rothenberg [(1981). Department for Speech, Music and Hearing Quarterly Progress and Status Report (KTH Royal Institute of Technology, Stockholm, Sweden), Vol. 22], which models the glottal airflow rate vs the glottal area. The formulas avoid a singularity of the equation that occurs when the glottal area is zero and that prevents the application of Runge–Kutta and other numerical methods. They can also be used when the equation is augmented with a glottal air viscosity term to eliminate non-differentiability at glottal opening and closure.
DOI:	https://doi.org/10.1121/10.0005755
metadata.dc.relation.publisherversion:	https://asa.scitation.org/doi/10.1121/10.0005755
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