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Update indexing + Bug fix

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- Wrong stopping criteria @ filling of matrix
- Fill left and right side of b_vector with values from c instead of b_vector
This commit is contained in:
Max Luebke 2022-03-01 11:08:24 +01:00
parent 9a760bd9d9
commit b7b37e9231
1 changed files with 3 additions and 5 deletions
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8
src/BTCSDiffusion.cpp
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@ -171,8 +171,6 @@ void Diffusion::BTCSDiffusion::simulate1D(
fillVectorFromRowADI(c, alpha, bc, Eigen::VectorXd::Constant(size, 0), size,
dx, time_step);
std::cout << A_matrix << std::endl;
solveLES();
c = x_vector.segment(1, size);
@ -275,7 +273,7 @@ inline void Diffusion::BTCSDiffusion::fillMatrixFromRow(
if (right_constant)
A_matrix.insert(A_size - 2, A_size - 2) = 1;
for (int j = 1 + left_constant, k = j - 1; j < size - (1 - right_constant);
for (int j = 1 + left_constant, k = j - 1; k < size - right_constant;
j++, k++) {
double sx = (alpha[k] * time_step) / (dx * dx);
@ -327,12 +325,12 @@ inline void Diffusion::BTCSDiffusion::fillVectorFromRowADI(
if (!left_constant) {
// this is not correct currently.We will fix this when we are able to define
// FLUX boundary conditions
b_vector[0] = getBCFromFlux(left, b_vector[1], alpha[0]);
b_vector[0] = getBCFromFlux(left, c[0], alpha[0]);
}
if (!right_constant) {
b_vector[b_size - 1] =
getBCFromFlux(right, b_vector[size - 2], alpha[size - 1]);
getBCFromFlux(right, c[size - 1], alpha[size - 1]);
}
}