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General Mechanical

General Mechanical

Topics related to Mechanical Enterprise, Motion, Additive Print and more.

Mesh Metric: Element Quality Issue

    • vvishesh
      Subscriber

      I have been doing static structural analysis of my roll-cage (ATV) using 1D mesh. The mesh formed was basically segments of the tube that I have used for my roll-cage. There were no errors during meshing but when I checked the different options in mesh metrics such as element quality, aspect ratio etc, I observed that all of the values were 0 by default. I am unable to understand why did it happen so because when I had analyzed the roll-cage using 2D mesh elements I was able to get non zero values for the same. Can anyone help me out with it?

    • peteroznewman
      Subscriber
      n2D and 3D elements can be checked using various mesh quality metrics. There is the concept of an ideal shape, for example a square is the perfect four node shell element shape. As the shape deviates from a perfect square, the mesh quality metrics such as Aspect Ratio and Skewness reduce from their ideal value.n 1D elements are not checked because every element is ideal. A two node beam element is always a straight line between two points.n
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