Introduction to Finite Element Analysis
This the basic introductory course of the curriculum in the topics of computational mechanics, numerical analysis of structures and computer aided analysis and design (CAE) of structural elements. Upon completion of the course, the students are anticipated to:
- Attain fundamental knowledge regarding the Finite Element Method (FEM) as key method of numerical analysis with focus on its application on deformable solids and structural elements.
- combine their knowledge of the method with their background from previous courses in the fields of Mechanics and Strength of Materials.
- Become familiar with the core of modern computational methods in analysis and design.
- Become familiar with computational mechanics and the application of numerical analysis methods in engineering.
- Acquire the knowledge and experience for the reliable application of the FEM in problems of static structural analysis and design
- Develop skills and attain hands-on practical experience for the application of the method, through a well designed program of laboratory seminars and exercises.
To attain hand-on experience on using state-of-the-art industry-standard commercial finite element analysis software.
- Introduction to the course. Review of Linear Algebra. Review of discrete mechanical systems: basic principles, various forms of equilibrium equations and methods of solution.
- Presentation of the finite element method for the case of one-dimensional continuous elastic solids (the case of rods). Presentation of the fundamental equations for the solution of the problem and of variational forms of equations of equilibrium. Introduction to the concepts of local approximation of field variables, shape functions, and finite element. Methods of controlling the accuracy of local approximation and convergence. Discritization of stiffness and applied loads. Synthesis of resultant discrete system of equilibrium equations, properties and physical meaning. Calculations of strains and stresses.
- Analysis of truss structures. Two-dimensional truss elements, rotation of parent elements, assembly of discrete system of equations. Properties of the stiffness matrix. Application of boundary conditions.
- Analysis of two-dimensional continuum problems of elastic solids. Generalization of the FE method to plain strain problems. Variational forms of equations of equilibrium in two dimensions. Discretization in two dimensions. Common families of quadrilateral and triangular finite elements, and associated shape functions.
- Isoparametric elements. Isoparametric transformation of parent elements to distorted finite element meshes in the physical domain. Application of numerical integration in the calculation of stiffness matrices and load vectors and its effect of the method accuracy and performance.
- Applications of the FE method in field problems of other disciplines. Presentation of fininite elements for the analysis of two-dimensional heat transfer problems.
- Computational implementation of the FE method.
The course is combined with a laboratory of numerical exercises and applications to representative engineering problems using commercial state-of-the-art FE software.
Διδάσκοντες:
Dimitriou Dimitrios (Academic Experience)
Προπτυχιακά
Τελευταία νέα & ανακοινώσεις
- May 14, 2025
- September 16, 2021
