关于气固三相流的旁路结构残差下溢问题
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如题，是关于气固固三相流的一个案例，之前的反应器是圆柱形直管，没问题；之后在侧面开口干路通气体及固体A旁路通气体及固体B，出现速度残差下溢问题，问题就出在旁路这个小管子上，修改网格修改边界条件都没有效果，各位大神有没有也遇到过这样的情况？
附几何模型
附残差图
及附错误代码error:floating point exception Flow time = 0.00217s, time step = 217 999783 more time steps Updating solution at time level N... done. iter continuity u-air u-cold u-hot v-air v-cold v-hot w-air w-cold w-hot gt-cold gt-hot vf-cold vf-hot time/iter ! 824 solution is converged 824 4.4734e-05 4.3028e-06 1.6160e-15 1.5532e-16 3.7044e-06 8.4128e-16 1.8434e-17 2.6324e-06 9.2002e-16 2.2426e-17 4.2387e-04 7.7097e-04 1.3462e-05 3.1041e-05 0:06:39 200 Stabilizing mp-x-momentum to enhance linear solver robustness. Stabilizing mp-y-momentum to enhance linear solver robustness. Stabilizing mp-z-momentum to enhance linear solver robustness. Stabilizing pressure correction to enhance linear solver robustness. Divergence detected in AMG solver: pressure correction Stabilizing granular-temperature to enhance linear solver robustness. Divergence detected in AMG solver: granular-temperature Stabilizing granular-temperature to enhance linear solver robustness. Divergence detected in AMG solver: granular-temperature Stabilizing vof-1 to enhance linear solver robustness. Divergence detected in AMG solver: vof-1 Stabilizing vof-2 to enhance linear solver robustness. Divergence detected in AMG solver: vof-2 Divergence detected in AMG solver: pressure correction Divergence detected in AMG solver: granular-temperature Divergence detected in AMG solver: granular-temperature Divergence detected in AMG solver: vof-1 Divergence detected in AMG solver: vof-2 Divergence detected in AMG solver: pressure correction Divergence detected in AMG solver: granular-temperature Divergence detected in AMG solver: granular-temperature Divergence detected in AMG solver: vof-1 Divergence detected in AMG solver: vof-2 Divergence detected in AMG solver: pressure correction Divergence detected in AMG solver: granular-temperature Divergence detected in AMG solver: granular-temperature Divergence detected in AMG solver: vof-1 Divergence detected in AMG solver: vof-2 Error at host: floating point exception Error at Node 1: floating point exception Error at Node 0: floating point exception Error at Node 2: floating point exception Error at Node 3: floating point exception Error: floating point exception Error Object: #f
