您好，我最近也遇到了相同的问题，请问您是怎么解决的呢？我已经在snappyHexMeshDict中指定了面贴合参数
snapControls { nSmoothPatch 5; nSmoothInternal 5; tolerance 2; nSolveIter 300; nRelaxIter 5; nFeatureSnapIter 10; implicitFeatureSnap false; explicitFeatureSnap true; multiRegionFeatureSnap false; }