The Perturbed Riemann Problem for the Chromatography System of Langmuir Isotherm with one Inert Component

Ji, Pengpeng¹ ; Shen, Chun¹

¹ School of Mathematics and Statistics Science, Ludong University, Yantai, Shandong 264025, P. R. China

Journal of nonlinear sciences and its applications, Tome 9 (2016) no. 9, p. 5382-5397.

Résumé

The solutions of the perturbed Riemann problem for the chromatography system of Langmuir isotherm with one inert component are constructed in completely explicit forms when the initial data are taken as three piecewise constant states. The wave interaction problem is investigated in detail by using the method of characteristics. In addition, the generalized Riemann problem with the delta-type initial data is considered and the delta contact discontinuity is discovered. Moreover, the strength of delta contact discontinuity decreases linearly at a constant rate and then the delta contact discontinuity degenerates to be the contact discontinuity when across the critical point.

Détail

DOI : 10.22436/jnsa.009.09.07

Classification : 35L67, 35L65, 76N15
Keywords: Chromatography system, Riemann problem, wave interaction, Temple class, hyperbolic conservation law.

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