This tutorial will define a single bimolecular reaction.
This tutorial builds upon what was done in :ref:`unimol_reactions`. Either complete that tutorial yourself or use the unimol_reactions.blend file to get started.
- Select File > Save As...
- Change add_meshgeom.blend to bimol_reactions.blend
- Click Save As Blender File button
- Click the Molecules button
- Click the "plus" sign (+) to the right of the Defined Molecules box
- Click in the Molecule Name field, type the letter b and press the Enter key
- Click in the Diffusion Constant box, type 1e-6 and press the Enter key
- Click the Molecule Placement button
- Click the "plus" sign (+) to the right of the Release/Placement Sites box
- Click in the Molecule field, type b and hit enter
- Change Release Shape to Object/Region
- Type Icosphere in the Object/Region field
- Click in the Quantity to Release field and set it to 1000
- Click the Reactions button.
- Change the Reactants text field from a to a + b
- Type 1e8 in the Forward Rates text field
- Click the Run Simulation button
- Change the Time Step to 1e-5
- Click the Export & Run button
- Wait for the simulation to complete
- Press the "Reload Visualization Data" button to load the results of the simulation.
- Click the Molecules button
- Open the Display Options subpanel if it isn't already
- Change the Sphere_1 to Cube
- Change the Scale to 2.5
- Change the color to a bright red
- Press the "Play" (
) button below the time line
- File > Save