Pro2循环不收敛? 附件是不含循环和含循环的文件,我把进口和出口的物质组成基本调成一样了,但是循环还是不收敛,不知道原因。真心求助于大家! *** READING PRO/II DATABASE PROJECT USER PROBLEM DATE *** PROBLEM SOLUTION BEGINS FEED FLASH BEGINS FEED FLASH COMPLETE Loop 1 BEGINS - 'LOOP1 ' UNIT 3 BEGINS - 'R3 ' UNIT 3 SOLVED UNIT 9 BEGINS - 'CN3 ' CONTROLLER AT ITERATION 1 SPECIFICATION VALUE = 0.00000E+00, CALC = 0.00000E+00 UNIT 9 SOLVED UNIT 4 BEGINS - 'E1 ' UNIT 4 SOLVED UNIT 8 BEGINS - 'P1 ' ** WARNING ** The feed stream to UNIT 8, 'P1' has a zero rate. ** WARNING ** The rates of all product streams from UNIT 8, 'P1' have been set to zero. UNIT 8 SKIPPED UNIT 1 BEGINS - 'R1 ' ** WARNING ** UNIT 1, 'R1' - Negative component rates encountered. CALCULATIONS have been HALTED. UNIT 1 NOT SOLVED *** PROBLEM SOLUTION NOT REACHED *** Run completed - Case not solved *** THIS RUN USED 56.64 PRO/II SIMULATION UNITS *** RUN STATISTICS STARTED 10:54:37 08/11/16 NO ERRORS FINISHED 10:54:37 08/11/16 3 WARNINGS RUN TIMES NO MESSAGES INTERACTIVE 0 MIN, 0.00 SEC CALCULATIONS 0 MIN, 0.19 SEC TOTAL 0 MIN, 0.19 SEC 查看更多0个回答 . 5人已关注