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Post-processing stage involves developing graphical display of results. Functional<br />

values such as displacements or temperatures are only evaluated at the nodes of<br />

the finite element mesh based on the calculations of the solver during the processing<br />

stage. A graphical display of results however needs continuous plotting of variation<br />

of a parameter in the form of 2D contours or 3D surface images. This needs<br />

appropriate interpolation schemes, and the size and distribution of the finite elements<br />

and the complexity of the problem domain will have direct influences on the ability of<br />

the package to capture representative profiles.<br />

5.4 Preprocessing in Abaqus<br />

The first step in the process of analysing the stress fields on the two components<br />

under study is to develop solid models of the two components to be investigated.<br />

This is done using the pre-processing Part module of the Abaqus software. There<br />

are two methods of creating a part geometry in Abaqus. One is to directly create the<br />

model geometry using the sketcher tools of the Part module. However, considering<br />

the relatively complex geometries of models under investigation, this may not work.<br />

The other method is to directly import solid models created using other software<br />

packages. Both flat and curved layer models developed using Solid Works are<br />

imported into the Abaqus Part module. For compatibility however, the solid models<br />

need to be saved in the IGES format initially.<br />

The next step is to create the material properties, for which the Material module of<br />

Abaqus is used. It is necessary, first to develop the material property data Fabepoxy,<br />

the experimental material for the current analysis is not a very common polymer, and<br />

being a propriety material, there is only limited data made available. The following<br />

are the details obtained from kraftmark.bz<br />

110

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