3.19.1. Comparison of FE Bodies

The characteristics of Nodal FE bodies and Modal FE bodies are compared in the following able.

Figure 3.136: Comparison of Nodal and Modal FE bodies

ContentsNodal FE BodyModal FE Body
Generalized CoordinateNodal coordinateModal coordinate
Small DeformationGoodGood
Large DeformationGoodBad
Global DeformationGoodGood
Local DeformationGoodBad
Stress/StrainGoodGood for the small deformation
MaterialLinear and Non-linearLinear
Contact (Locality)GoodBad
Mesh WorkNecessaryNecessary
Eigenvalue AnalysisNeedlessNecessary
Degree of FreedomLargeSmall
Solving TimeSlowFast
Memory RequirementLargeSmall