灵敏度求助？ 在模拟塔的塔顶目标产物的摩尔浓度随回流比变化关系（即x-r）时，出现了问题，原来的状态时result availabl .现在变为有warmings sensitivity block xr row 19 begins block: b1 model: radfrac *** severe error specified value for reflux ratio is less than the built-in limit of 1e-15. * warning rest of block bypassed due to severe error. ** error block b1 is not in mass balance: mass inlet flow = 0.79903890e+00, mass outlet flow = 0.00000000e+00 absolute difference = 0.79903890e+00 sensitivity block xr row 20 (base) begins * warning sampled variable "c8" has not been calculated. value is missing. block: b1 model: radfrac convergence iterations: iter err/tol 1 4527.1 2 9.6152 3 0.18443e-04 ** error some rows completed with errors. ** error some rows completed with errors. ** error some rows completed with errors.查看更多
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