Volume Mesh Improvement control improves the quality of the volume mesh with specified quality metrics using the provided input options. Volume Mesh Improvement Details view has the following options:
General
Scope
Definition
Target Skewness: Allows you to provide the target skewness to achieve a desired quality mesh. The Target Skewness value ranges from 0 (low quality) to 1 (high quality). The default value is 0.9. You can click
  on the right corner of the option and click
                        Publish to add Target Skewness to
                        the Property Worksheet. You can parameterize
                        Target Skewness.Target Dihedral Angle: Allows you to provide the dihedral angle between volume mesh element faces. The default value is 120 degrees. You can parametrize the Target Dihedral Angle. You can click
  on the right corner of the option and click
                        Publish to add Target Dihedral
                        Angle to the Property Worksheet. You can
                        parameterize Target Dihedral Angle.Number of Attempts: Allow you to provide the maximum number of attempts for volume improvement. The default value is 5. You can click
  on the right corner of the option and click
                        Publish to add Number of Attempts
                        to the Property Worksheet. You can parameterize
                        Number of Attempts.