FEM Modeling-Classification of Mechanical Elements Physical Mathematical Finite Element Structural Model Name Discretization Component bar beam tube.pipe spar(web) shear panel (2D version of above) Primitive Structural Elements These elements are usually derived from Mechanics-of- Materials simplified theories and are better understood from a physical,rather than mathematical,standpoint. FEM Modeling - Classification of Mechanical Elements Primitive Structural Elements :These elements are usually derived from Mechanics-of￾Materials simplified theories and are better understood from a physical, rather than mathematical, standpoint