/usr/share/pyshared/gastablesgui/Isentropic.py is in gastables 0.3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2008 Varun Hiremath.
* Copyright (C) 2008 A Venkattraman.
* Copyright (C) 2008 C Shyam Sundar.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* Authors: Varun Hiremath, Venkattraman A, Shyam Sundar C
"""
from gastables.Isentropic import Isentropic
from scipy import arange
def get_allValues_from_M(M, gamma):
isen = Isentropic(gamma)
VALUES = {}
VALUES["M"] = M
VALUES["M*"] = isen.get_Mstar_from_M(M)
VALUES["T/To"] = isen.get_T_by_To_from_M(M)
VALUES["P/Po"] = isen.get_P_by_Po_from_M(M)
VALUES["A/A*"] = isen.get_A_by_Astar_from_M(M)
VALUES["r/ro"] = isen.get_rho_by_rhoo_from_M(M)
VALUES["F/F*"] = isen.get_F_by_Fstar_from_M(M)
VALUES["AP/A*Po"] = isen.get_AP_by_AstarPo_from_M(M)
return VALUES
def get_allValues_from_T_by_To(T_by_To, gamma):
isen = Isentropic(gamma)
return get_allValues_from_M(isen.get_M_from_T_by_To(T_by_To), gamma)
def get_allValues_from_P_by_Po(P_by_Po, gamma):
isen = Isentropic(gamma)
return get_allValues_from_M(isen.get_M_from_P_by_Po(P_by_Po), gamma)
def get_allValues_from_rho_by_rhoo(rho_by_rhoo, gamma):
isen = Isentropic(gamma)
return get_allValues_from_M(isen.get_M_from_rho_by_rhoo(rho_by_rhoo), gamma)
def get_allValues_from_A_by_Astar(A_by_Astar, gamma):
isen = Isentropic(gamma)
VALUES = {}
SECOND_VALUES = None
Mach_Nos = isen.get_M_from_A_by_Astar(A_by_Astar)
if(type(Mach_Nos) == tuple):
M1 = Mach_Nos[0]
M2 = Mach_Nos[1]
VALUES = get_allValues_from_M(M1, gamma)
SECOND_VALUES = get_allValues_from_M(M2, gamma)
else:
VALUES = get_allValues_from_M(Mach_Nos, gamma)
return VALUES, SECOND_VALUES
def get_plotData_from_M(gamma):
MRange = arange(0.1,5.01,0.1)
VALUES = {"M" : MRange, "M*" : [], "T/To": [], "P/Po" : [], "A/A*" : [], "r/ro" : [], "F/F*" : [], "AP/A*Po" : []}
isen = Isentropic(gamma)
for M in MRange:
VALUES["M*"].append(isen.get_Mstar_from_M(M))
VALUES["T/To"].append(isen.get_T_by_To_from_M(M))
VALUES["P/Po"].append(isen.get_P_by_Po_from_M(M))
VALUES["A/A*"].append(isen.get_A_by_Astar_from_M(M))
VALUES["r/ro"].append(isen.get_rho_by_rhoo_from_M(M))
VALUES["F/F*"].append(isen.get_F_by_Fstar_from_M(M))
VALUES["AP/A*Po"].append(isen.get_AP_by_AstarPo_from_M(M))
return VALUES
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