The BPMN model of a process represents an organized series of steps. For an organizational process, the steps correspond to operations, events and gateways encountered by an instance.

The simulation consists in activating the different steps of the process while respecting their sequence as well as the time constraints specified for each of them.

Before being able to simulate a process, it must be represented graphically. Simulation is based on the diagram that describes the different steps of the process.

Simulating a process consists of moving requests for work through the various steps in the process. Each instance is introduced into the process model from a start event and stops at an end event.

For example: in a purchase processing process, a purchasing request is triggered by the sending of the instance and ends with the delivery of the order. In the meantime, it goes through different steps (order recording, order processing, etc.).

The circulating instances thus make it possible to represent the sequencing of the steps of a process.

From their respective BPMN diagrams, you can simulate the following concepts: