Geodesic
Formation and decay of acceleration waves in steady hypersonic flows with relaxation effects
Theoretical and applied mechanics, Tome 18 (1992) no. 1, p. 131 
Arisudan Rai; M. Gaur. Formation and decay of acceleration waves in steady hypersonic flows with relaxation effects. Theoretical and applied mechanics, Tome 18 (1992) no. 1, p. 131 . http://geodesic.mathdoc.fr/item/TAM_1992_18_1_a9/
@article{TAM_1992_18_1_a9,
     author = {Arisudan Rai and M. Gaur},
     title = {Formation and decay of acceleration waves in steady hypersonic flows with relaxation effects},
     journal = {Theoretical and applied mechanics},
     pages = {131 },
     year = {1992},
     volume = {18},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAM_1992_18_1_a9/}
}
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Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

The present communication is devoted to the study of characteristic solutions in the neighbourhood of the leading frozen characteristics in steady hypersonic flows of fluids. The effects of relaxation on the global behaviour of the wave amplitude have been studied. It is concluded that all compressive waves with initial amplitude greater than the critical one will grow and terminate into shock waves due to nonlinear steepenning, while all expansion waves will decay out. A critical stage is also discussed when the compressive wave will either grow or decay.