JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. TR.13 Plate and Solid Elements This section describes the commands used to specify plates (i.e., shells) and solids. TR.13.1 Plate and Shell Element Incidence Specification TR.13.2 Solid Element Incidences Specification TR.13.3 Surface Entities Specification Parent topic: Technical Reference of STAAD Commands Related conceptsG.5 Finite Element Information G.5.1 Plate and Shell Elements G.5.2 Solid Elements G.5.3 Surface Elements (Deprecated)