57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// PPPPP H H EEEEE N N GGGGG L EEEEE III +
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// P P H H E NN N G L E I +
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// PPPPP HHHHH EEEEE N N N G GG L EEEEE I +
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// P H H E N N N G G L E I +
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// P H H EEEEE N N GGGGG LLLLL EEEEE III +
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//------------------------------------------------------------------------+
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// Platform for Hybrid Engineering Simulation of Flows +
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// China Aerodynamics Research and Development Center +
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// (C) Copyright, Since 2010 +
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//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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//! @file Aerodynamics_BasicRelations.h
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//! @brief Define some basic aerodynamic relations, e.g isentropic relations, shock relations.
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//! @author Zhang Jian, He Xin.
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#pragma once
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#include "Precision.h"
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namespace PHSPACE
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{
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//! isentropic relationships
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struct IsentropicRelations{
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//! T0/T
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static RDouble T0OverT(RDouble gama, RDouble mach);
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//! P0/P
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static RDouble P0OverP(RDouble gama, RDouble mach);
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//! Rho0/Rho
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static RDouble Rho0OverRho(RDouble gama, RDouble mach);
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};
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struct ShockRelations{
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//! Behind/Before shock temperature relation
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//! @param gama gama
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//! @param m1 mach before the shock
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static RDouble T2OverT1(RDouble gama, RDouble m1);
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//! Behind/Before shock pressure relation
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//! @param gama gama
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//! @param m1 mach before the shock
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static RDouble P2OverP1(RDouble gama, RDouble m1);
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//! Behind/Before shock density relation
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//! @param gama gama
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//! @param m1 mach before the shock
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static RDouble Rho2OverRho1(RDouble gama, RDouble m1);
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//! Compute mach behind the shock by mach before the shock
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//! @param gama gama
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//! @param m1 mach before the shock
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static RDouble MachBehindShock(RDouble gama, RDouble m1);
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};
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}
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