aspen模型调试? 在刚搭出的模型中,运行后总是会出现一些错误或警告,请问下边这些错误或警告怎么处理,需要调什么地方,或是有什么引起的?特别是当遇到物料不平衡怎么解决? block: b1 model: fsplit * warning zero feed to the block. block bypassed block: rdc 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. block: rdc model: radfrac *** severe error composite feed flash failed to converge; supply t-est, x-est and y-est as a workaround. ** error block rdc is not in mass balance: mass inlet flow = 0.71294976e-03, mass outlet flow = 0.00000000e+00 absolute difference = 0.71294976e-03查看更多