FEM Modeling-Classification of Mechanical Elements Physical Finite element Physical Finite element idealization idealization plates 3D solids Continuum Elements Unlike structural elements,continuum elements are better understood in terms of their mathematical interpretation.Examples:plates,slices, shells,axisymmetric solids,general solids.FEM Modeling - Classification of Mechanical Elements Continuum Elements : Unlike structural elements, continuum elements are better understood in terms of their mathematical interpretation. Examples: plates, slices, shells, axisymmetric solids, general solids