VISUALIZATION OF STRESS TENSOR FIELD USING CUTTING PLANE TECHNIQUE (IMPLEMENTED IN VISUALIZATION TOOLKIT (VTK))
One of the most challenging tasks in scientific visualization is how to visualize 3-D stress tensor field in intuitive and uncluttered images. Many techniques e.g., glyphing and hyperstreamline, have been developed to visualize the stress tensor field, however, they can be used only for specific applications. Within this work, another technique called cutting plane will be used and implemented in Visualization Toolkit (VTK). The idea behind development of tensor visualization using cutting plane comes from the functionality of vtkCutter class in VTK library which cuts a 3-D object by reducing a 3-D cell to a cut surface. Then, by using data set attribute at each point on the cut surface, i.e., stress tensor, and manipulating it to obtain a traction vector on the cut surface, normal stress and shear stress with respect to cut surface should be easily computed.
Keywords: scientific visualization, stress tensor, cutting plane, VTK
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