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nufi working, dealii solves poisson, E saved as independent spline

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Vasco C. B. Ferreira
2026-04-09 17:27:41 +02:00
parent 47a97f7a7c
commit ee8a7dbaf5
7 changed files with 36 additions and 25 deletions
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nufi/fields.h
+6 -6
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@@ -47,19 +47,19 @@ double eval(double x, const double *coeffs) noexcept
x -= Parameters::X_DOMAIN_LEFT;
// Get "periodic position" in box at origin.
x = x - Parameters::LX * floor( x/Parameters::LX );
x = x - Parameters::LX * floor( x*Parameters::LX_INV );
// Knot number
double x_knot = floor( x/Parameters::SPLINE_DX);
double x_knot = floor( x*Parameters::SPLINE_DX_INV);
size_t ii = static_cast<size_t>(x_knot);
// Convert x to reference coordinates.
x = x/Parameters::SPLINE_DX - x_knot;
x = x*Parameters::SPLINE_DX_INV - x_knot;
// Scale according to derivative.
double factor = 1;
for ( size_t i = 0; i < dx; ++i ) factor *= 1/Parameters::SPLINE_DX;
for ( size_t i = 0; i < dx; ++i ) factor *= 1*Parameters::SPLINE_DX_INV;
return factor*splines1d::eval<double,Parameters::SPLINE_ORDER,dx>(x, coeffs + ii);
}
@@ -142,7 +142,7 @@ void interpolate( real *coeffs, const real *values)
coeffs[ i ] = tmp[ i % Parameters::SPLINE_NX ];
}
double integral_space_vector(const double *current_coeffs, double dx = Parameters::SPLINE_DX, size_t Nx = Parameters::SPLINE_NX)
inline double integral_space_vector(const double *current_coeffs, double dx = Parameters::SPLINE_DX, size_t Nx = Parameters::SPLINE_NX)
{
double integral = 0.0;
double x = Parameters::X_DOMAIN_LEFT;
@@ -153,7 +153,7 @@ double integral_space_vector(const double *current_coeffs, double dx = Parameter
return integral;
};
double integral_space_vector_squared(const double *current_coeffs, double dx = Parameters::SPLINE_DX, size_t Nx = Parameters::SPLINE_NX)
inline double integral_space_vector_squared(const double *current_coeffs, double dx = Parameters::SPLINE_DX, size_t Nx = Parameters::SPLINE_NX)
{
double integral = 0.0;
double x = Parameters::X_DOMAIN_LEFT;