When Verify is the selected Action the following options are available.

Elements in the entire model are checked for identical corner (or end) nodes.

All solid elements in the current group in the active viewport are checked for proper connectivity using a volume calculation.

All elements in the current group in the active viewport are checked for maximum distance between the element and the parent geometry.

The ratio of the maximum determinant of the Jacobian to the minimum determinant of the Jacobian is calculated for each element in the current group in the active viewport. This element shape test can be used to identify elements with interior corner angles far from 90 degrees or high order elements with misplaced midside nodes. A ratio close or equal to 1.0 is desired.

The determinant of the Jacobian (J) is calculated at all integration points for each element in the current group in the active viewport. The minimum value for each element is determined. This element shape test can be used to identify incorrectly shaped elements. A well-formed element will have J positive at each Gauss point and not greatly different from the value of J at other Gauss points. J approaches zero as an element vertex angle approaches 180 degrees.

Each element in the current group in the active viewport is assigned a color based on its ID number.

Each tria element in the current group is tested for each of the tria verification tests.

All of the tria elements in the current group of the active viewport are tested for length to width ratio.

Each tria element in the current group of the active viewport is tested for skew. The skew angle is obtained as described in Theory.

Each quad element in the current group of the active viewport is tested for each of the quad verification tests.

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All of the quads in the current group, in the active viewport, are tested for length to width ratio. During the check, if an element exceeds the threshold value set by the slidebar, it is highlighted and Patran echoes the element’s ID number, and its aspect value in the command line. At completion, each element is color-coded according to the value computed for its aspect value, and the current group is plotted in the Element Fill Render style.

How Aspect Ratio is computed page 266

Each quad element in the current group of the active viewport is tested for warp. The warp angle is obtained as described in Theory. During the check, Patran highlights any element exceeding the threshold value set by the slidebar, and echoes the element’s ID number and its warp value in the command line. At completion, each element is color-coded according to the value computed for its warp value and the current group is plotted in the Element Fill Render style.

Each quad element in the current group in the active viewport is tested for skew. The skew angle is obtained as described in Theory. Prior to testing for skew, each element is checked for convexity. If any element fails the convexity, test a warning message will be issued. Processing will continue on to the next element.

Each quad element in the current group in the active viewport is tested for taper. The taper ratio is obtained as described in Theory.

Each Tetrahedral element in the current group is tested for each of the Tet verification tests.

All of the Tets in the current group are tested for the ratio of height to square root of opposing face area. During the check, Patran highlights any element exceeding the threshold value set by the slidebar, and echoes the element’s ID number and its aspect ratio in the command line. At completion, each element is color-coded according to the value computed for its aspect ratio and the current group is plotted in the Element Fill Render style.

How Edge Angle is computed page 272

Each face of each tetrahedral element in the current group is tested for skew as if it were a Tria element. The skew angle is obtained as described in Theory. During the check, Patran highlights any element exceeding the threshold value set by the slidebar, and echoes the element’s ID number and its maximum skew angle in the command line. At completion, each element is color-coded according to the value computed for its skew angle and the current group is plotted in the Element Fill Render style.

All of the tetrahedral elements in the current group are tested for volume. The collapse value is obtained as described in Theory. During the check, Patran highlights any element exceeding the threshold value set by the slidebar, and echoes the element’s ID number and its collapse value in the command line. At completion, each element is color-coded according to the collapse value and the current group is plotted in the Element Fill Render style.

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Each wedge element in the current group of the active viewport is tested for each of the wedge verification tests.

All of the wedge elements in the current group are tested for length to width ratio. During the check, if an element exceeds the threshold value set by the slidebar, it is highlighted and Patran echoes the element’s ID number and its aspect value in the command line. At completion, each element is color-coded according to the value computed for its aspect value and the current group is plotted in the Element Fill Render style.

The maximum edge angle is calculated for each wedge element in the current group of the active viewport. Edge angle is obtained as described in Theory. During the check, Patran highlights any element exceeding the threshold value set by the slidebar, and echoes the element’s ID number and its maximum edge angle in the command line. At completion, each element is color-coded according to the value computed for its edge angle and the current group is plotted in the Element Fill Render style.

Each face of each wedge element in the current group is tested for skew as if it were a quad or tria element. The skew angle is obtained as described in Theory. During the check, Patran highlights any element exceeding the threshold value set by the slidebar, and echoes the element’s ID number and its maximum skew angle in the command line. At completion, each element is color-coded according to the value computed for its skew angle and the current group is plotted in the Element Fill Render style.

Each quad face of each wedge element in the current group is tested for warp as if it were a quad. The warp angle is obtained as described in Theory. During the check, Patran highlights any element exceeding the threshold value set by the slidebar, and echoes the element’s ID number and its warp value in the command line. At completion, each element is color-coded according to the value computed for its warp value and the current group is plotted in the Element Fill Render style.

Each wedge element in the current group is tested for a twist angle computed between its two triangular faces. Twist is obtained as described in Theory. During the check, Patran highlights any element exceeding the threshold value set by the slidebar, and echoes the element’s ID number and its maximum twist in the command line. At completion, each element is color-coded according to the value computed for its twist and the current group is plotted in the Element Fill Render style.

Each quad face of each wedge element in the current group of the active viewport is tested for taper as if it were a Quad element. Taper is obtained as described in Theory. During the check, Patran highlights any element exceeding the threshold value set by the slidebar, and echoes the element’s ID number and its maximum taper in the command line. At completion, each element is color-coded according to the value computed for its taper and the current group is plotted in the Element Fill Render style.

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Each hex element in the current group of the active viewport is tested for each of the hex verification tests.

All of the hex elements in the current group in the active viewport are tested for length to width ratio. During the check, if an element exceeds the threshold value set by the slidebar, it is highlighted and Patran echoes the element’s ID number and its aspect value in the command line. At completion, each element is color-coded according to the value computed for its aspect value and the current group is plotted in the Element Fill Render style.

The maximum edge angle is calculated for each hex element in the current group. Edge angle is obtained as described in Theory. During the check, Patran highlights any element exceeding the threshold value set by the slidebar, and echoes the element’s ID number and its maximum edge angle in the command line. At completion, each element is color-coded according to the value computed for its edge angle and the current group is plotted in the Element Fill Render style.

Each face of each hex element in the current group is tested for skew as if it were a quad element. The skew angle is obtained as described in Theory. Prior to testing for skew, each element face is checked for convexity. If any face fails the convexity test, a warning message will be issued. Processing will continue on to the next element face. During the check, Patran highlights any element exceeding the threshold value set by the slidebar, and echoes the element’s ID number and its maximum skew angle in the command line. At completion, each element is color-coded according to the value computed for its skew angle and the current group is plotted in the Element Fill Render style.

Each face of each hex element in the current group is tested for warp as if it were a quad. The warp angle is obtained as described in Theory. During the check, Patran highlights any element exceeding the threshold value set by the slidebar, and echoes the element’s ID number and its warp value in the command line. At completion, each element is color-coded according to the value computed for its warp value and the current group is plotted in the Element Fill Render style.

Each hex element in the current group is tested for maximum twist angle. Twist is obtained as described in Theory. During the check, Patran highlights any element exceeding the threshold value set by the slidebar, and echoes the element’s ID number and its maximum twist in the command line. At completion, each element is color-coded according to the value computed for its twist and the current group is plotted in the Element Fill Render style.

Each face of each hex element in the current group is tested for taper as if it were a quad element. Taper is obtained as described in Theory. During the check, Patran highlights any element exceeding the threshold value set by the slidebar, and echoes the element’s ID number and its maximum taper in the command line. At completion, each element is color-coded according to the value computed for its taper and the current group is plotted in the Element Fill Render style.

Fringe plot based on node ID of nodes in the current group is generated. This display is helpful to check whether the node numbering has been optimized for bandwidth efficiency.

All quadratic order elements (those with mid-side nodes) in the current group are tested for deviation of the mid-side node from the mid-node position for an element with no curvature. The offset distance is measured perpendicular to a line that is the shortest distance between the corner nodes of that edge.

All quadratic order elements (those with mid-side nodes) in the current group in the active viewport are tested for deviation of the mid-side node from the mid-edge position of the element. The offset distance is measured along a line that is the shortest distance between the corner nodes of that edge.

This form verifies the selected superelements for any inconsistencies. Note that this is only available for the MSC Nastran analysis preference.