• Document: Properties & Limits: Review of Shell Element Formulations
  • Size: 3.59 MB
  • Uploaded: 2019-04-16 08:10:36
  • Status: Successfully converted


Some snippets from your converted document:

Developer Forum Properties & Limits: Review of Shell Element Formulations André Haufe1, Karl Schweizerhof1,2, Paul DuBois3 1DYNAmore GmbH Stuttgart 2Karlsruher Institute of Technology Karlsruhe 3Independent Consultant Offenbach Developer Forum 2013 – Filderstadt/Germany – Haufe/Schweizerhof/DuBois – 24. September 2013 1 Motivation – from shells to solids? Developer Forum 2013 – Filderstadt/Germany – Haufe/Schweizerhof/DuBois – 24. September 2013 2 Motivation – from shells to solids? Developer Forum 2013 – Filderstadt/Germany – Haufe/Schweizerhof/DuBois – 24. September 2013 3 Motivation – from shells to solids? Shell ! ? Solid ! Solid-shell ? Developer Forum 2013 – Filderstadt/Germany – Haufe/Schweizerhof/DuBois – 24. September 2013 4 Motivation – from shells to solids? Shell ! ? Solid ! Solid-shell ? Developer Forum 2013 – Filderstadt/Germany – Haufe/Schweizerhof/DuBois – 24. September 2013 5 Motivation – from shells to solids? buckling sharp edges sandwich structures stretching draw beads crashworthiness 3D stress states Shell ! ? Solid ! Solid-shell ? Developer Forum 2013 – Filderstadt/Germany – Haufe/Schweizerhof/DuBois – 24. September 2013 6 Brief introduction Developer Forum 2013 – Filderstadt/Germany – Haufe/Schweizerhof/DuBois – 24. September 2013 7 Derivation of shell formulation degenerated solid [Ahmad, Irons and Zienkiewicz 1968] Shell assumptions (all Mid surface of Solid element quantities expressed characteristic plane w.r.t. mid surface) Kirchhoff-Love [Bernoulli] Fiber cross section straight, perpendicular direction and unstreched ê3 ω Reisser-Mindlin [Timoshenko] Lamina ẑ direction Mid-surface displacement plus rotations to describe plate (shell) deformation x xm zˆ eˆ 3 ω

Recently converted files (publicly available):