- mesh to linear. **Convert to bi-quadratic** option means same as
- **Convert to quadratic** except that QUAD9 elements are created
- instead of QUAD8, and HEXA27 elements are created instead of
- HEXA20. Note that the choice is available only if the selected mesh
- (or sub-mesh) contains both quadratic and linear elements, else the
+ mesh to linear. **Convert to bi-quadratic** option does the same as
+ **Convert to quadratic** except for that TRIA7, QUAD9 and HEXA27
+ elements are created instead of TRIA6, QUAD8, and HEXA20 elements
+ respectively. Note that the choice is available only if the selected
+ mesh (or sub-mesh) contains both quadratic and linear elements, else the