[salmanayon]

I am trying to model the sediment transport in a tank through a porous breakwater. The experimental dimensions of the tank are in meters and the sediment input in reality is in Kilograms. I want to simulate the model using the same dimensions but in millimeters. I am not sure how I can adjust the DPM injections. Also the multiphase parameters like velocity magnitude, wave length, water surface level are in meters.

1. Should I just use everything with the same value but in millimeters? That includes the velocity (mm/s), water level (mm), wave heights (mm)?

2. For the DPM injections I was using 97.5 kg in total with the tank dimensions in meters. How should I scale down the injection now that I want to use millimeters?

I have attached pictures of the multiphase flow (air and water) and the state of the particles after few seconds of DPM injection.