Finite Element Analysis (FEA) is a numerical technique for solving differential equations representing a physical system. It is widely used in engineering for stress analysis, dynamics analysis, and optimization of structures. This tutorial will cover the basics of FEA, including its principles, applications, and limitations.

Key Concepts

  • Nodes: The points in the model where elements are connected.
  • Elements: The basic building blocks of the model, which can be triangles, quadrilaterals, tetrahedra, or hexahedra.
  • Mesh: The division of the model into smaller elements.

Applications

  • Stress Analysis: Predicting the stresses and deformations in a structure.
  • Dynamics Analysis: Analyzing the motion and response of structures to dynamic loads.
  • Optimization: Finding the optimal design of a structure.

Tools

Several software packages are available for FEA, including:

  • ANSYS
  • Abaqus
  • COMSOL Multiphysics

Learn More

For a deeper understanding of FEA, we recommend exploring our Advanced FEA Tutorial.

Finite Element Mesh