Pipe Example 2: Matrix Diffusion

Simulation of matrix diffusion is an advanced feature of the Pipe element.

Matrix diffusion is the process by which solutes diffuse from a mobile zone (e.g., a fracture) into surrounding porous matrix material. In GoldSim, it is assumed that this diffusive process is one-dimensional and orthogonal to the flow direction. The "Fracture" pipe element provides a matrix diffusion example.

To Open the Model File:

1. Start GoldSim
2. Click on the File and select Open Example...
3. Browse to General Examples --> Contaminant Transport Examples
4. Select the file called Pipe2_MatrixDiffusion.gsm