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| New method for visualization of FEM stress fields |
| Revised:March 12, 2001 |
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| DOI：10.7511/jslx20032039 |
| KeyWord:scientific visualization,FEM,stress field |
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| Abstract: |
| A new method for stress representation by colored patterns on two\| or three\|dimensional isoparametric surfaces is presented. Firstly, the enough points are arranged evenly on a square parent element according to the number of pixels spanned by an element on the screen. Secondly, the global coordinates and stress values of the points are calculated by using standard isoparametric interpolations, the node coordinates and the known node stresses. Thirdly, the color values of corresponding pixels of the points are computed on basis of the present function relations between color and stress. Lastly, the pixels are set to the calculated colors one by one. In 3D case, the method is combined with hidden surface removal techniques and painter's algorithm to generate easily perceptible pictures. Some examples demonstrate that the method is simple, efficient, accurate and easily implemented. |
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