Acta Appl Math https://doi.org/10.1007/s10440-018-0193-y 1,2,3 1,2,3 Libin Wang · Youren Wang Received: 2 September 2017 / Accepted: 19 May 2018 © Springer Science+Business Media B.V., part of Springer Nature 2018 Abstract In this paper, we consider an inverse piston problem with small BV initial data for the system of one-dimensional adiabatic ﬂow. Suppose that the original state of the gas on the right side of the piston and the position of the forward shock are known, then we can globally solve the inverse piston problem and estimate the speed of the piston in a unique manner. Mathematics Subject Classiﬁcation (2000) 35L45 · 35L60 · 35R30 Keywords Quasilinear hyperbolic system · Bounded variation norm · Inverse piston problem · One-dimensional adiabatic ﬂow 1 Introduction Suppose that a piston originally located at the origin at t = 0 moves towards the right with the speed v = φ(t) in a straight tube, the length of which is assumed to be inﬁnite. In order to determine the state of the ideal gas on the right side of this piston, in Lagrangian representation this piston problem asks us to solve the following mixed initial-boundary value problem (see [3, 11, 15]): ⎪ ∂ τ
Acta Applicandae Mathematicae – Springer Journals
Published: May 28, 2018
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