Share Email Facebook Twitter LinkedIn To Change FEA Properties (AutoCAD Mechanical Toolset) At the Command prompt, enter AMOPTIONS. In the Options dialog box, select the AM:Calculation tab. In the FEA section of the AM:Calculation tab, make the necessary entries, and choose OK. Related Concepts About Performing Finite Element Analysis (FEA)About Influence of Refining and Border Conditions (AutoCAD Mechanical Toolset) Related Tasks To Insert Single Loads or Supports (AutoCAD Mechanical Toolset)To Insert Uniform Loads and Supports (AutoCAD Mechanical Toolset)To Perform FEA on a 2D Contour (AutoCAD Mechanical Toolset) Related Reference Commands for Finite Element Analysis (AutoCAD Mechanical Toolset)