aspen的设计规定中模拟出现如下错误,想问问是什么原因呢?
** ERROR
EITHER SOLUTION OUTSIDE BOUNDS OR SPEC FUNCTION IS NOT MONOTONIC.
REVERSING THE NESTING OF THE LOOPS BY CHANGING
DESIGN SPEC NESTING AND USER NESTING ON THE
CONV-OPTIONS.DEFAULTS.SEQUENCING SHEET MAY AID CONVERGENCE.
THE CONVERGENCE LOOP WILL BE EVALUATED ONCE MORE.