For the demonstration of the meshing procedure, a uniformly distributed tensor product point cloud was inserted into the simulation domain and the meshing process was interrupted several times. At any time the resulting snapshot is a valid mesh of part of the domain. From top left to bottom right, Fig. 7.3 plays back the propagation of the advancing front. The initial surface is given in the top left figure. The next figure shows that the front has already started to propagate trough the simulation domain incorporating the mesh points of the tensor product grid from the interior. The ``gaps'' which can be observed beginning with the 3rd picture allow to look trough the structure and indicate that the valid mesh in some parts already connects the front side boundary with the backside boundary of the simulation domain. With the propagating front, the valid mesh spreads throughout the domain until all small cavities remaining in the corners of the domain (see bottommost row in Fig. 7.3) are connected to the final three-dimensional mesh of the structure.
For the high-pressure CVD simulation an adaptively resolved grid was achieved by specifying vertically stacked tensor product point clouds with different horizontal and vertical grid spacings. A cross-section of such a mesh can be seen in Fig. 7.4, a three-dimensional view thereof is given in the summarizing flowchart in Fig. 7.5(c).
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