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> Study at Ense3 > Double degrees > E3-STU-COURSES
Provide basic notions required for the mechanical design of rotating machines for energy production.
1- Introduction to the theory of vibrations:
Introduce Lagrange equations and solve the equations of motion in simple cases and for small oscillations around equilibrium
2- Linear elasticity of solid bodies:
Understand concepts of stress and strain
Introduce linear elastic consitutive law
Understand the concept of elastic criterion
Structural design using a finite-element method program
1- Introduction to the theory of vibrations:
1- One efficient method for solving the equations of motion
Description of the motion of a mechanical system using generalised coordinates
Principle of virtual power and Lagrange equations
Linearisation of the equations of motion
Free and forced oscillations of a one-degree-of-freedom system
Eigenfrequencies, eigenmodes
Vibration of systems with several degrees of freedom
2- numerical intégration of the equations of motion
2- Linear elasticity of solid bodies:
1- Basics of the theory of elasticity
Stress
Strain
linear elastic constitutive law
Mises limit criterion
2- Structural design in elasticity
Introduction to a finite-element program, mesh, boundary conditions
Comparison with analyticam solutions of simple problems, torsion, bending, traction, shear
Principal stresses and strains
Design exercices - Mises limit criterion
Basics of mathematics - volume and surface integrals, differential equations, Taylor series, vector analysis, linear algebra
2h exam + assignment
2/3 DS + 1/3 CC
Seto, Mechanical Vibrations, Schaum's outline series, McGraw Hill, 1964
Landau, Lifchitz, Mécanique, Editions Mir 1966
Lalanne, Berthier, Der Hagopian, Mécanique des vibrations linéaires, Masson, 1986
Date of update February 8, 2017
