Nonlinear Topology Optimization with Large Deformation - 96 kN

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Nonlinear Geometric Topology Optimization with all elements and internal forces solved directly with fast convergence and correct sensitivity.

Size of the model 1000 mm x 250 mm - E = 3GPa, nu = 0.4 and Load = 96 KN

Objective Function: Min End Compliance
Volconstraint = 0.5 Volfrac

Superprojection technique
Full Newton to solve the nonlinear equilibrium - 2 increments of load.
  1. Ricardo D. Kepler
  2. topology optimization
  3. non linear finite element
  4. full newton
  5. design
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More information see:

Lahuerta, Ricardo Doll ; SIMÕES, EDUARDO T. ; CAMPELLO, EDUARDO M. B. ; PIMENTA, PAULO M. ; SILVA, EMILIO C. N. . Towards the stabilization of the low density elements in topology optimization with large deformation. Computational Mechanics (Berlin. Internet), v. online, p. 1-19, 2013

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