UTILITY SETUP QUALITY Test Control

                            

This command allows the user to specify what constitutes an illegally shaped (distorted) element by setting the values for element quality criterion.

Test Control Comments

MINANG value El_type Set value for specified quality

MAXANG WEIGHT value El_type test for element type

ASPECT OFF

NODOFF ON BULGE WARP TOTAL

Notes:

1.

The quality tests
The quality tests are as follows: `MINANG' (minimum angle), `MAXANG' (maximum angle), `ASPECT' (aspect ratio), `NODOFF' (mid node offset), `BULGE' (mid node bulge), `WARP' (warpage) and `TOTAL' (overall quality value).

2.

The El_type control
This is used to specify the elements to which the quality test is to be applied. The keyword `ALL' indicates all element types while `BE3', `TR3', `QU4', `TR6', `PE6', `QU8', `QU9', `HE8', `PE15', `HE16', `HE20' and `HE27' indicate specific element types.

3.

Further Information
Further information on Mesh Quality is given in Appendix J of the User Manual Appendices.

The UTILITY TABULATE STATUS QUALITY command is used to display the current settings for the quality criteria.

Examples:

1.

UTILITY SETUP QUALITY NODOFF .3 ALL

This command sets the maximum allowable offset of the midside node to 0.3 across all element types.

2.

UTILITY SETUP QUALITY NODOFF WEIGHT .7 BE3

This command sets the proportion of NODOFF to the overall quality value to 0.7 for the element type BE3.

3.

UTILITY SETUP QUALITY ASPECT .35 QU4

This command sets ASPECT to be .35 for QU4 elements.

See also the following commands

'UTILITY TABULATE STATUS QUALITY'
'LABEL MESH QUALITY'
'UTILITY TABULATE MESH QUALITY'