CTRIA6 Element Checks and Default Bound Values

CTRIA6 Element Check

The following qualities of the CTRIA6 element are checked:

·        Aspect Ratio

This quality is calculated using only the corner nodes. It is defined as the ratio of the maximum side length to the minimum side length.

·        Skew Angle

This quality is calculated using only the corner nodes. It is the difference between 90 degrees and the minimum of three angles: These angles are defined, for the CTRIA6 element, as the smallest of the angles created when a line drawn from a node to the midpoint of the opposing side intersects a line connecting the midpoints of the adjacent two sides. The skew angle has a range from 0 degrees for a perfect triangle to 90 degrees for a collapsed triangle.

·        Vertex Angle

This quality is calculated using only the corner nodes. For each vertex, the angle is measured between its two adjacent edges. The minimum and maximum values of the three nodes are reported for the element.

·        Hoe Normal Offset

The hoe normal offset is the maximum of its edges normal offset values. See the definition of hoe normal offset of 3-node edge.

·        Hoe Tangent Offset

The hoe tangent offset is the maximum of its edges tangent offset values. See the definition of hoe tangent offset of 3-node edge.

CTRIA6 Default Bounds

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Element Quality Check