In trias, it is calculated byfinding the minimum angle betweenthe vector from each node to theopposing mid-side and the vector betweenthe two adjacent mid-sides at each nodeof the element.(c.

• 这是help中对quanlity index 面板下的skew标准的解释； 看了不知道什么意思For quads； it is calculated by finding the minimum angle between two linesjoining opposite mid-sides of theelement.