American Institue of Mathematical Sciences

2017, 37(8): 4439-4460. doi: 10.3934/dcds.2017190

On the uniqueness of solution to generalized Chaplygin gas

 Department of Mathematics and Informatics, University of Novi Sad Trg Dositeja Obradovića 4 21000 Novi Sad, Serbia

Received  June 2016 Revised  March 2017 Published  April 2017

Fund Project: The first author is partially supported by the projects OI174024 and III44006, Serbian Ministry of Science and by the Project 114-451-2098, APV Secretariat for Science

The main object of the paper is finding a unique solution to Riemann problem for generalized Chaplygin gas model. That is a model of the dark energy in Universe introduced in the last decade. It permits an infinite mass concentration so one has to consider solutions containing the Dirac delta function. Although it was easy to construct solution to any Riemann problem, the usual admissibility conditions, overcompressiveness, do not exclude unwanted delta-type waves when a classical solution exists. We are using Shadow Wave approach in order to solve that uniqueness problem since they are well adopted for using Lax entropy–entropy flux conditions and there is a rich family of convex entropies.
Citation: Marko Nedeljkov, Sanja Ružičić. On the uniqueness of solution to generalized Chaplygin gas. Discrete & Continuous Dynamical Systems - A, 2017, 37 (8) : 4439-4460. doi: 10.3934/dcds.2017190
References:
 [1] A. Baricz, Bounds for modified Bessel functions of the first and second kinds, Proceedings of the Edinburgh Mathematical Society, 53 (2010), 575-599. [2] M. C. Bento, O. Bertolami, A. A. Sen, Generalized Chaplygin gas. accelerated expansion and dark energy-matter unification, Phys. Rev., D66 (2002), 043507. [3] Y. Brenier, Solutions with concentration to the Riemann problem for the one-dimensional Chaplygin gas equations, Journal of Mathematical Fluid Mechanics, 7 (2005), 326-331. [4] A. Bressan, Hyperbolic Systems of Conservation Laws, Oxford University Press, New York, 2000. [5] G. -Q. Chen, H. Liu, Formation of δ-shocks and vacuum states in the vanishing pressure limit of solutions to the Euler equations for isentropic fluids, SIAM J. Math. Anal., 34 (2003), 925-938. [6] C. Dafermos, Hyperbolic Conservation Laws in Continuum Physics, Springer-Verlag, Heidelberg, 2000. [7] W. E, Y. G. Rykov, Ya. G. Sinai, Generalized variational principles, global weak solutions and behavior with random initial data for systems of conservation laws arising in adhesion particle dynamics, Comm. Math. Phys., 177 (1996), 349-380. [8] M. E. H. Ismail, Complete monotonicity of modified bessel functions, Proceedings of the American Mathematical Society, ., 108 (1990), 353-361. [9] A. Kamenshchik, U. Moschella, V. Pasquier, An alternative to quintessence, Phys. Lett., 511 (2001), 265-268. [10] B. L. Keyfitz, H. C. Kranzer, Spaces of weighted measures for conservation laws with singular shock solutions, J. Diff. Eq., 118 (1995), 420-451. [11] A. Laforgia and P. Natalini, Some inequalities for modified Bessel functions, Journal of Inequalities and Applications, 2010 (2010), Article ID 253035, 10 pages. [12] P. LeFloch, An existence and uniqueness result for two nonstrictly hyperbolic systems, in: IMA Volumes in Math. and its Appl. , B. L. Keyfitz, M. Shearer (EDS), Nonlinear evolution equations that change type, Springer Verlag, Vol 27,1990,126-138. [13] D. Mitrović, M. Nedeljkov, Delta shock waves as a limit of shock waves, J. Hyp. Diff. Equ., 4 (2007), 629-653. [14] M. Nedeljkov, Singular shock waves in interactions, Quart. Appl. Math., 66 (2008), 281-302. [15] M. Nedeljkov, Shadow waves, entropies and interactions for delta and singular shocks, Arch. Ration. Mech. Anal., 197 (2010), 489-537. [16] M. Nedeljkov, Singular shock interactions in Chaplygin gas dynamic system, J. Differ. Equations, 256 (2014), 3859-3887. [17] E. Yu. Panov, V. M. Shelkovich, δ0-Shock waves as a new type of solutions to systems of conservation laws, J. Differ. Equations, 228 (2006), 49-86. [18] A. D. Polyanin, V. F. Zaitsev, Handbook of Exact Solutions for Ordinary Differential Equations, CRC-Press, Boca Raton, 1995. [19] D. Serre, Systems of Conservation Laws I, Cambridge University Press, 1999. [20] M. Sun, The exact Riemann solutions to the generalized Chaplygin gas equations with friction, Commun. Nonlinear Sci. Numer. Simulat., 36 (2016), 342-353. [21] G. Wang, The Riemann problem for one dimensional generalized Chaplygin gas dynamics, J. Math. Anal. Appl., 403 (2013), 434-450. [22] G. N. Watson, A Treatise on The Theory of Bessel Functions, Cambridge University Press, 1966. [23] H. Yang, Y. Zhang, New developments of delta shock waves and its applications in systems of conservation laws, J. Differ. Equations, 252 (2012), 5951-5993.

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References:
 [1] A. Baricz, Bounds for modified Bessel functions of the first and second kinds, Proceedings of the Edinburgh Mathematical Society, 53 (2010), 575-599. [2] M. C. Bento, O. Bertolami, A. A. Sen, Generalized Chaplygin gas. accelerated expansion and dark energy-matter unification, Phys. Rev., D66 (2002), 043507. [3] Y. Brenier, Solutions with concentration to the Riemann problem for the one-dimensional Chaplygin gas equations, Journal of Mathematical Fluid Mechanics, 7 (2005), 326-331. [4] A. Bressan, Hyperbolic Systems of Conservation Laws, Oxford University Press, New York, 2000. [5] G. -Q. Chen, H. Liu, Formation of δ-shocks and vacuum states in the vanishing pressure limit of solutions to the Euler equations for isentropic fluids, SIAM J. Math. Anal., 34 (2003), 925-938. [6] C. Dafermos, Hyperbolic Conservation Laws in Continuum Physics, Springer-Verlag, Heidelberg, 2000. [7] W. E, Y. G. Rykov, Ya. G. Sinai, Generalized variational principles, global weak solutions and behavior with random initial data for systems of conservation laws arising in adhesion particle dynamics, Comm. Math. Phys., 177 (1996), 349-380. [8] M. E. H. Ismail, Complete monotonicity of modified bessel functions, Proceedings of the American Mathematical Society, ., 108 (1990), 353-361. [9] A. Kamenshchik, U. Moschella, V. Pasquier, An alternative to quintessence, Phys. Lett., 511 (2001), 265-268. [10] B. L. Keyfitz, H. C. Kranzer, Spaces of weighted measures for conservation laws with singular shock solutions, J. Diff. Eq., 118 (1995), 420-451. [11] A. Laforgia and P. Natalini, Some inequalities for modified Bessel functions, Journal of Inequalities and Applications, 2010 (2010), Article ID 253035, 10 pages. [12] P. LeFloch, An existence and uniqueness result for two nonstrictly hyperbolic systems, in: IMA Volumes in Math. and its Appl. , B. L. Keyfitz, M. Shearer (EDS), Nonlinear evolution equations that change type, Springer Verlag, Vol 27,1990,126-138. [13] D. Mitrović, M. Nedeljkov, Delta shock waves as a limit of shock waves, J. Hyp. Diff. Equ., 4 (2007), 629-653. [14] M. Nedeljkov, Singular shock waves in interactions, Quart. Appl. Math., 66 (2008), 281-302. [15] M. Nedeljkov, Shadow waves, entropies and interactions for delta and singular shocks, Arch. Ration. Mech. Anal., 197 (2010), 489-537. [16] M. Nedeljkov, Singular shock interactions in Chaplygin gas dynamic system, J. Differ. Equations, 256 (2014), 3859-3887. [17] E. Yu. Panov, V. M. Shelkovich, δ0-Shock waves as a new type of solutions to systems of conservation laws, J. Differ. Equations, 228 (2006), 49-86. [18] A. D. Polyanin, V. F. Zaitsev, Handbook of Exact Solutions for Ordinary Differential Equations, CRC-Press, Boca Raton, 1995. [19] D. Serre, Systems of Conservation Laws I, Cambridge University Press, 1999. [20] M. Sun, The exact Riemann solutions to the generalized Chaplygin gas equations with friction, Commun. Nonlinear Sci. Numer. Simulat., 36 (2016), 342-353. [21] G. Wang, The Riemann problem for one dimensional generalized Chaplygin gas dynamics, J. Math. Anal. Appl., 403 (2013), 434-450. [22] G. N. Watson, A Treatise on The Theory of Bessel Functions, Cambridge University Press, 1966. [23] H. Yang, Y. Zhang, New developments of delta shock waves and its applications in systems of conservation laws, J. Differ. Equations, 252 (2012), 5951-5993.
Classical waves
Overcompressive SDW vs. S1+S2
Energy entropy condition
Inequalities (15) and (16)
Inequalities (15) and (16) are not enough to prove non-positivity of $\hat{E}_{\lambda}^1$
Entropies at $\Gamma_{ss}$ curve – the first entropy pair
Entropies at $\Gamma_{ss}$ curve – the second entropy pair
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