Aspen Plus回归模型参数无法收敛? 液液相平衡数据有了,回归NRTL模型参数总是出现下面错误: ** ERROR WHILE EXECUTING DRS CASE: "R-20" : ]" w# E2 S }2 ^9 R DRS RESULTS DO NOT AGREE WITH THREE-PHASE FLASH RESULTS. * j9 p' B0 A% f! [8 H3 I3 R4 G* T - RERUN WITH A DIFFERENT SET OF PARAMETER INITIAL VALUES - RECHECK THE DATA IN THE DATA-GROUP PARAGRAPHS + y: C3 ? i0 s5 ^2 b' v - CHECK STD-DEV FOR SPECIFICATIONS THAT ARE TOO LARGE *** SEVERE ERROR WHILE EXECUTING DRS CASE: "R-20" ! g/ e' `! i' h( r FLASH CALCULATIONS FAILED TO CONVERGE IN 100 ITERATIONS. FLASH CALCULATIONS FAILED TO CONVERGE IN MAXIMUM NUMBER OF ITERATIONS. $ d6 Z$ t# }( a# h* U ! Data regression completed with errors 请问怎么办 ( I- G7 g8 W ?! O! c" w5 ]& a y 如何设置参数初值,初值的设定对于回归结果有影响么? 如附件所示,求大神支招! 查看更多5个回答 . 6人已关注