CONSERVATIVE AND INVARIANT DIFFERENTIAL AND DIFFERENCE REPRESENTATIONS OF GAS DYNAMICS EQUATIONS IN AN AXISYMMETRIC GASE

V. I. Delov, V. N. Isaev, I. D. Sofronov
VANT. Ser. Metodiki i Programmy Chislennogo Resheniya Zadach Matematicheskoy Fiziki 1987. Вып.1. С. 3-10.

      We propose an approach to constructing conservative and invariant differential and difference representations of gas dynamics equations in Lagrangian variables. As shown, a numerical solution may be invariant when a special type of kinetic energy in elementary volume is chosen. Test results are given which illustrate the feasibility of the approach formulated here.