Rectangular Conduction Solver

Configuration

Configure simulation parameters

Geometry & Mesh
Material Properties
Boundary Conditions
top Boundary
bottom Boundary
left Boundary
right Boundary
Run simulation to see results

Mathematical Model

General Heat Conduction Equation

The general equation of heat conduction in Cartesian coordinates $(x, y, z)$ is given by:

where is the thermal diffusivity, is heat generation, and is volumetric heat capacity.

Case A: Steady-State 2D Conduction

For steady-state conditions () with no internal heat generation () in a 2D plane (ignoring ), the equation simplifies to the Laplace equation:

Finite Difference Approximation

Using central difference approximations, the domain is discretized into a grid of nodes $(i, j)$. The nodal temperatures are solved iteratively:

where

Numerical Method

We use the **Gauss-Seidel** iterative method, which updates each node using the most recently computed values of its neighbors.