UE Numerical methods for nonlinear mechanics

Diplômes intégrant cet élément pédagogique :

Descriptif

  • From physics to numerical models: continuum mechanics problems, variational formulations, Rayleigh Ritz methods, Finite element one dimensional example
  • Introduction to solid mechanics problems : elastostatics virtual work theorem : finite element discretization, the example of simple finite elements (constant strain triangle), Comments about Stiffness matrices
  • Variational formulation of an initial boundary value problem: change of configuration, introduction to different stress and deformation tensors, the so called small strain approximation
  • Time discretization and incremental problem: Newton method, residual computations, auxiliary linear system computations, boundary condition issues
  • Space discretization : finite element method, projection on to a finite dimensional space, isoparametric finite element numerical integration Gauss method
  • Constitutive equations integrations : consistent tangent stiffness matrix: numerical approach, Hardening plasticity,  integration algorithms, consistent tangent stiffness matrix : analytical approach, Locking ant related topics
  • Miscellaneous : coupling problems, the rate problem and uniqueness issues

Informations complémentaires

Langue(s) : Anglais