This example illustrates face-fitting of a volume element which has collapsed nodes (top two nodes). Figure 2 depicts the fitted mesh with single version for the derivatives of the collapsed nodes. The fitted mesh shown in the figure 3 has multiple versions for the derivatives of the collpased nodes. Currently CMISS is capable of face-fitting in volume meshes containing nodes collapsed at any xi location (xi1=0.0, xi1=1.0 ... etc.) and in any xi directions.
Note how the derivatives of the collapsed nodes with multiple versions are fixed in the *.ipfit files and see the note in the com file.

Created by: Kumar Mithraratne Aug. 2002.

Fig. 1 Initial Mesh.


RMS Error = 9.97 mm

FIg. 2 Fitted Mesh with out multiple versions for collapsed nodes.

RMS Error = 1.95 mm

Fig. 3 Fitted mesh with multiple versions for collapsed nodes.

RMS Error = 1.18 mm