 1  Author
 S. A. Lifits, S. I. Anisimov, J. MeyerTerVehn  Requires cookie*   Title
 Shock Waves produced by Impulsive Load: Equation of State Effects    Abstract
 A numerical study of the flow after impulsive load of a plane material surface is carried out. It is shown that the flow is asymptotically selfsimilar provided one can neglect the cold components in the equation of state. In this case the effective exponent s(r) = d ln(Xs)/d ln(r), derived from the shock trajectory X s (t) does not depend on the initial pressure pulse and approaches the exponent a of the selfsimilar problem for time t* oo. For equations of state containing a cold pressure term, s (r) is larger than a and changes nonmonotonically with time. Some features of the flow related to the presence of cold components in pressure and internal energy are discussed.   
Reference
 Z. Naturforsch. 47a, 453—459 (1992); received September 9 1991   
Published
 1992   
Keywords
 Shock wave, Impulsive load, Equationofstate, High pressure, Selfsimilar flow   
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