List questions from finite-difference-methods

Published on 23 Feb 2026 - 8:30

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Nonuniform finite difference grid for a PDE where the x points depends on y coordinate

Published on 15 Dec 2021 - 13:52

1.7k

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Forward finite difference approximation for second order cross derivatives

Published on 21 Jan 2022 - 13:24

302

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Truncation error, finite differences

Published on 08 Feb 2022 - 2:53

46

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Unstable forward difference scheme with cross products

Published on 23 Mar 2022 - 15:08

379

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Solving second order differential equation with finite difference method (boundary conditions)

Published on 30 Mar 2022 - 7:38

96

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Numerical Solution of nonlinear P-B Equation in unbounded domain for determining the EDL potential distributions around a spherical particle

Published on 01 Apr 2022 - 9:25

113

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Implicit finite difference scheme for a non-linear PDE

Published on 12 Apr 2022 - 9:56

151

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Finding the CFL condition of second order $u_j^{n+1} =u_j^n +aH(u_{j-1}^n)+bH(u_j^n)+cH(u_{j+1}^n)$ with $u_t=H(u)_{xx}$ and $0\le H'(u)\le d$.

Published on 24 Apr 2022 - 18:02

33

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Boundary condition at interface

Published on 02 May 2022 - 4:44

131

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What is the solutions of the following 1D diffusion equality using Crank–Nicolson method?

Published on 12 May 2022 - 8:54

37

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Issues with Convergence of Finite Difference Method on Uniform Grid

Published on 12 May 2022 - 19:17

42

Views

Acoustic wave equation will be numerically unstable anyway?

Published on 15 May 2022 - 9:13

118

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Numerical viscosity from the Crank-Nicolson method

Published on 19 May 2022 - 11:29

156

Views

fourth-order finite difference for $(a(x)u'(x))'$

Published on 21 May 2022 - 23:35

List Question

Consistency finite differences vs finite elements

Nonuniform finite difference grid for a PDE where the x points depends on y coordinate

Forward finite difference approximation for second order cross derivatives

Truncation error, finite differences

Unstable forward difference scheme with cross products

Solving second order differential equation with finite difference method (boundary conditions)

Numerical Solution of nonlinear P-B Equation in unbounded domain for determining the EDL potential distributions around a spherical particle

Implicit finite difference scheme for a non-linear PDE

Finding the CFL condition of second order $u_j^{n+1} =u_j^n +aH(u_{j-1}^n)+bH(u_j^n)+cH(u_{j+1}^n)$ with $u_t=H(u)_{xx}$ and $0\le H'(u)\le d$.

Boundary condition at interface

What is the solutions of the following 1D diffusion equality using Crank–Nicolson method?

Issues with Convergence of Finite Difference Method on Uniform Grid

Acoustic wave equation will be numerically unstable anyway?

Numerical viscosity from the Crank-Nicolson method

fourth-order finite difference for $(a(x)u'(x))'$

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