ME413 INTRODUCTION TO FINITE ELEMENT ANALYSI

Course Code:5690413
METU Credit (Theoretical-Laboratory hours/week):3 (3.00 - 0.00)
ECTS Credit:5.0
Department:Mechanical Engineering
Language of Instruction:English
Level of Study:Undergraduate
Course Coordinator:Assoc.Prof.Dr. ÖZGÜR UĞRAŞ BARAN
Offered Semester:Fall and Spring Semesters.

Course Objectives

1. Strain-displacement relations,  Stress-strain relations, Equations of equilibrium and motion,    Strain energy density function and strain energy, Potential of external forces

2. Principle of virtual work ,  Minimum potential energy

3..Discritization    concept,    Approximation concept,  Finite elements and nodes, Finite    element formulation, Element    matrices and vectors , .Assembly    concept, System matrices and vectors

4.Bar    finite element and analysis of trusses, transformations, Beam finite element and analysis of frames, transformations,  Determination of element stresses and reaction forces, spring elements

5. Plane    stress and plane strain problems, Natural coordinate systems,Finite    element formulation for plane elasticity

6. Kinetic    energy and mass matrix,    Natural modes and frequencies, Mode    superposition and transient response, Dynamic    truss and frame problems

7. Stress stiffening, Geometric stiffness, Buckling concept and applications

8. Multipoint    constraints, Constraint transformation, Lagrange    multipliers, Penalty    function, .A    plane contact element


Course Content

Review of basic laws of continuum. Variational and weighted residual methods. Element type. Interpolation function. Boundary conditions. Transformation and assembly of element matrices. Solution methods and accuracy. Examples from solid mechanics, heat transfer and fluid mechanics.


Course Learning Outcomes

1. An understanding of basic concepts and relations in elasticity

2. Ability to understand the concepts and use of energy methods in solid mechanics

3. Ability to understand the basics of computational mechanics, Ability to understand basics of finite element method

4. Ability to understand bar formulation and truss analysis, Ability to understand beam formulation and frame analysis, Ability to analyze stresses and reactions

5. Ability to extend FEM to 2D problems, Ability to formulate a 2D element, Ability to analyze plane stress and strain problems

6. Ability to understand dynamic behavior, Ability to determine natural modes, Ability to determine transient response

7. Ability to understand initial stress problems, Ability to derive geometric stiffness matrices, Ability to determine critical loads

8. Ability to understand and impose multipoint constraints, Ability to derive a contact element


Program Outcomes Matrix

Contribution
#Program OutcomesNoYes
1Ability to establish the relationship between mathematics, basic sciences and engineering sciences with engineering applications.
2Ability to find and interpret information
3Ability to follow the literature and technology related to his/her topic of interest
4Recognition of the need to keep oneself up to date in his/her profession
5Possession of written and oral communication skills
6Ability to conduct team work (within the discipline, inter-disciplinary, multi-disciplinary)
7Ability to produce original solutions
8Use of scientific methodology in approaching and producing solutions to engineering problems and needs
9Openness to all that is new
10Ability to conduct experiments
11Ability to do engineering design
12Awareness of engineering ethics, knowledge and adoption of its fundamental elements
13Ability to take societal, environmental and economical considerations into account in professional activities
14Possession of pioneering and leadership characteristics in areas related to the profession