1 #include "parameters/parameters_euler.h"     8     prm.enter_subsection(
"euler");
    10         prm.declare_entry(
"reference_length", 
"1.0",
    11                           dealii::Patterns::Double(),
    12                           "Reference length for non-dimensionalization.");
    13         prm.declare_entry(
"mach_infinity", 
"0.5",
    14                           dealii::Patterns::Double(1e-15, 2500),
    15                           "Farfield Mach number");
    16         prm.declare_entry(
"gamma_gas", 
"1.4",
    17                           dealii::Patterns::Double(1e-15, 10000000),
    18                           "Gamma gas constant");
    19         prm.declare_entry(
"angle_of_attack", 
"0.0",
    20                           dealii::Patterns::Double(-180, 180),
    21                           "Angle of attack in degrees. Required for 2D");
    22         prm.declare_entry(
"side_slip_angle", 
"0.0",
    23                           dealii::Patterns::Double(-180, 180),
    24                           "Side slip angle in degrees. Required for 3D");
    26         using convert_tensor = dealii::Patterns::Tools::Convert<dealii::Tensor<1, 5, double>>;
    27         prm.declare_entry(
"custom_boundary_for_each_state", 
"0,0,0,0,0", 
    28                           *convert_tensor::to_pattern(), 
    29                           "Custom boundary values for each primitive state. Used for cases that involve post shock boundaries or do not work with non-dimensionalization (e.g. Shu Osher).");
    31     prm.leave_subsection();
    36     prm.enter_subsection(
"euler");
    38         ref_length      = prm.get_double(
"reference_length");
    39         mach_inf        = prm.get_double(
"mach_infinity");
    41         const double pi = atan(1.0) * 4.0;
    45         using convert_tensor = dealii::Patterns::Tools::Convert<dealii::Tensor<1, 5, double>>;
    48     prm.leave_subsection();
 void parse_parameters(dealii::ParameterHandler &prm)
Parses input file and sets the variables. 
static void declare_parameters(dealii::ParameterHandler &prm)
Declares the possible variables and sets the defaults. 
double mach_inf
Mach number at infinity. 
Files for the baseline physics. 
double ref_length
Reference length. 
double side_slip_angle
Input file provides in degrees, but the value stored here is in radians. 
double angle_of_attack
Input file provides in degrees, but the value stored here is in radians. 
dealii::Tensor< 1, 5, double > custom_boundary_for_each_state
Custom boundary values.