新手Aspenplus使用RCSTR模拟出错（恳请赐教）？ 下面是运行日志，请各位大侠赐教，附件中有bkp文件 -> rocessing input specifications ... INFORMATION BINARY PARAMETERS PRKIJ (DATA SET 1) FOR MODEL ESPRSTD ARE RETRIEVED FROM SDF TABLE. TABLE NAME = ESPRSTD Flowsheet Analysis : Block $OLVER01 (Method: SECANT ) has been defined to converge specs : DS-1 COMPUTATION ORDER FOR THE FLOWSHEET: $OLVER01 CSTR (RETURN $OLVER01)->Calculations begin ... Block: CSTR Model: RCSTR ** ERROR M-BAL LOOP DID NOT CONVERGE IN 50 ITERATIONS. CHECK STOICHIOMETRY/MOLECULAR WEIGHTS. * WARNING AT INNER LOOP ITERATION NUMBER 50 : REACTION RATE IS GREATER THAN ZERO FOR REACTION (1) BUT REACTANT "H3N" IS NOT PRESENT. POSSIBLE CAUSE: ZEROTH ORDER REACTANT NOT PRESENT. RATE IS SET TO ZERO.> Beginning Convergence Loop $OLVER01 Method: SECANT * WARNING INITIAL VALUE FOR DESIGN SPEC VARIABLE 1 IS AT OR ABOVE UPPER BOUND. VALUE = 0.194444E-02 LOWER BOUND = 0.251996E-03 UPPER BOUND = 0.125998E-02 VARIABLE RESET TO 0.115918E-02 Block: CSTR Model: RCSTR ** ERROR M-BAL LOOP DID NOT CONVERGE IN 50 ITERATIONS. CHECK STOICHIOMETRY/MOLECULAR WEIGHTS.> Loop $OLVER01 Method: SECANT Iteration 1 1 vars not converged, Max Err/Tol -0.52510E+01 Block: CSTR Model: RCSTR ** ERROR M-BAL LOOP DID NOT CONVERGE IN 50 ITERATIONS. CHECK STOICHIOMETRY/MOLECULAR WEIGHTS.> Loop $OLVER01 Method: SECANT Iteration 2 1 vars not converged, Max Err/Tol -0.51274E+01 Block: CSTR Model: RCSTR ** ERROR M-BAL LOOP DID NOT CONVERGE IN 50 ITERATIONS. CHECK STOICHIOMETRY/MOLECULAR WEIGHTS.> Loop $OLVER01 Method: SECANT Iteration 3 * WARNING EITHER SOLUTION OUTSIDE BOUNDS OR SPEC FUNCTION IS NOT MONOTONIC. 1 vars not converged, Max Err/Tol -0.40153E+01->Simulation calculations completed ...查看更多29个回答 . 3人已关注
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