Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
U是一个volVectorField，那么U.boundaryField()表示的是边界网格上的U值还是边界面的U值呢？
边界面上的
