См.: облако НЖЯ.
UDE cloudUDE cloud - - An evaporating cloud used on a standalone basis (i.e., not as part of a complete thinking processes analysis) that addresses a single undesirable effect.
Usage: The UDE cloud is used to address undesirable effects that have a negative impact on the performance of a system, that have been in existence for a period of time, and that have resisted other attempts at solutions. UDE clouds can also be used to address customer undesirable effects.
Illustration: A cloud for the undesirable effect "We have too many shortages of parts for assembly" is shown below: