shortcut简洁精馏不收敛,请教高手
运行之后message里有:*** ERROR ***UNIT 1, 'SCD1' - FATAL ERROR in FENSKE calculations caused by the specifications or the rate estimates.高手帮忙看看。shortcut.prz(30.78KB)
版本为8.0。
lz可上传inp文件 inp文件上传,请高手指点
shortcut.inp(852B)$ Generated by PRO/II Keyword Generation System <version 8.0>$ Generated on: Wed Aug 28 18:12:23 2013
TITLE
DIMENSION SI, TEMP=C, STDTEMP=0, STDPRES=101.325
SEQUENCE SIMSCI
CALCULATION RVPBASIS=APIN, TVP=37.778
COMPONENT DATA
LIBID 1,HXCP/2,SQUALANE
THERMODYNAMIC DATA
METHOD SYSTEM=PR, SET=PR01, DEFAULT
STREAM DATA
PROPERTY STREAM=S1, TEMPERATURE=130, PRESSURE=16, PHASE=M, &
RATE(WT)=55.5901, COMPOSITION(WT)=1,90/2,10
UNIT OPERATIONS
SHORTCUT UID=SCD1
FEED S1
PRODUCT STREAM=S2, RATE(WT)=50.031, PHASE=L, PRESSURE=6.7
PRODUCT STREAM=S3, PHASE=L, DP=12
CONDENSER TYPE=BUBB
EVALUATE MODEL=CONV, TRIAL=50, KEYLIGHT=1, KEYHEAVY=2, RRMIN=2
FINDEX 2
SPEC STREAM=S2,FRACTION(WT), COMP=1,WET, VALUE=99.8
SPEC STREAM=S3,FRACTION(WT), COMP=1,WET, VALUE=0.05
END
没人回应, 貌似是非库组分啊。 和组分有关系吗? 热力学方程里Transport Properties里的勾去掉,另外在定义约束条件时物料S2的质量分率应该是0.96不是96。
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