Commands list

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UNDEX_CONTROL

Solution control and techniques

Beta command

This command is in the beta stage and the format may change over time.

*UNDEX_CONTROL
"Optional title"
coid, conserve

Parameter definition

Variable
Description
coid
Command ID
conserve
Bubble mass conservation flag
options:
0 $\rightarrow$ allow for mass conservation errors
1 $\rightarrow$ enforce mass conservation

Description

This command is used to enforce mass conservation in coupled CFD-SPH UNDEX simulations. It compensates for mass (and energy) conservation errors that can build up in the CFD-SPH coupling interace during the bubble collapse phase.