Editing Mechanical engineering (section)

===Finite element analysis===
{{main|Finite element analysis}}

Finite Element Analysis is a computational tool used to estimate stress, strain, and deflection of solid bodies. It uses a mesh setup with user-defined sizes to measure physical quantities at a node. The more nodes there are, the higher the precision.<ref>{{Cite web|url=http://user.engineering.uiowa.edu/~bme083/lecture/lecture04_020303.pdf|title=Introduction to Finite Element Analysis (FEA)|last=Xia|first=Ting|date=3 February 2003|website=UIOWA Engineering|archive-url=https://web.archive.org/web/20170830001308/http://user.engineering.uiowa.edu/~bme083/Lecture/Lecture04_020303.pdf|archive-date=30 August 2017|url-status=dead|access-date=4 September 2018}}</ref> This field is not new, as the basis of Finite Element Analysis (FEA) or Finite Element Method (FEM) dates back to 1941. But the evolution of computers has made FEA/FEM a viable option for analysis of structural problems. Many commercial software applications such as [[NASTRAN]], [[ANSYS]], and [[ABAQUS]] are widely used in industry for research and the design of components. Some 3D modeling and CAD software packages have added FEA modules. In the recent times, cloud simulation platforms like [[SimScale]] are becoming more common.

Other techniques such as finite difference method (FDM) and finite-volume method (FVM) are employed to solve problems relating heat and mass transfer, fluid flows, fluid surface interaction, etc.