Questions tagged [stability]
The study of the propagation of errors in a numerical algorithm.
154
questions
0
votes
1answer
943 views
How to choose the relaxation time in the Lattice Boltzmann Method?
We know that the relaxation time is very important in LBM. I have searched lost of papers, but can't find some systematic introductions about the choice of relaxation time in SRT LBM. Could you give ...
0
votes
0answers
46 views
comparison of stability of two non-linear methods
I have solved a numerical problem using two different sets of non-linear governing equations. I want to get an understanding of the stability of the methods relative to each other. To do so, I solving ...
-1
votes
2answers
376 views
Stability of matrix equations in MATLAB
Is there a method to check for unconditional stability or positive-definiteness of large matrices in MATLAB?
For example, I know that matrices with property M (positive main diagonal elements and ...
-1
votes
1answer
554 views
Stability analysis for coupled nonlinear system of partial differential equations
I'm trying to solve a nonlinear partial differential equation
\begin{equation}
L(u_{xxtt},u_{xx}u_{tt},u_{xt}^2,u_{xt},u_{tt})=0
\end{equation}
using finite difference methods. In order to remove the ...
