write_trace_bounce_data

Summary: Export massed particle trace collision information.

Flag

write_trace_bounce_data A

A = 1: (On) = all mass trace bounce data is automatically written to a csv file each time traces are updated

A = 0: (Off) = mass trace bounce data is not written to a csv file (default)

Description

In situations in which a plenum is significantly larger than an immersed object, a motion analysis may not be a feasible way to simulate the interaction between the object and its surroundings. This flag provides information about massed particle traces as they collide with solids and walls. This information is very useful for understanding the interaction between the flow and a moving solid object as long as the motion of the solid does not influence the flow.

After the flow solution is complete, create one or more particle traces at the desired locations. Enable Mass.

When this flag is enabled, Autodesk® CFD generatres a report (".csv" file) that lists the collisions for each massed particle trace.

The following items are listed for each collision:

1. Time within the animation of the collision
2. Number of collisions and collision location (x, y, z coordinates)
3. A vector representing the impact force of the collision
4. Velocity vectors before and after the collision

This file is located in the scenario folder of the design study.