| R4005 | WARNING: R4005 | elemtype ELEMENT id NOT REFERENCED ON ANY SURFACE |
| Cause: | Differential stiffness (used in PRESTRESS and BUCKLING solutions), element results, and grid point results will not be generated for a shell element unless it is referenced by a SURFACE command. A default SURFACE is generated, if not specified, that will reference all elements. | |
| Action: | Add the missing elements to an appropriate SURFACE. | |
| Remarks: | See Autodesk Nastran Reference Guide, Section 3, Case Control, for command format. |