The Siemens Community Catalyst program was co-created with our community to acknowledge technology leaders who consistently contribute to the Siemens Community. Nominations are accepted on a rolling basis.
How can I set up the roughness for a pipe internal flow simulation ?
You'll need to be using turbulence (for example, Spalart-Allmaras), and you can then specify the wall roughness as part of the Simple Boundary Condition with type = wall.