The display of the injection molding process in the theory is called injection molding simulation.
In the early development of a project, it is used to check and optimize geometry, process and mold.
This way, different versions can be tested at low costs in order to use the best version for the mold.
The optimization of the process during simulation helps to use less materials for the trials and saves time.
Also for the error analysis, the injection molding simulation can be used to find the parameters with the most influence, for example with the help of a DoE.