模拟出现错误了。。。? 先把文件信息输入下 block: t1 model: radfrac *** severe error a liquid feed/pumparound to the top stage is required when "q1=0" is specified in "col-specs"; required feed/pumparound has zero flow. *** severe error flash calculation has driven the temperature up to the upperlimit of 1.0000d+04 degrees k., but enthalpy balance is still not satisfied. heat duty specifications may be infeasible. * warning rest of block bypassed due to severe error. 这是什么意思?查看更多