Skip to Main content Skip to Navigation
Theses

Nonlinear transient analysis of isotropic and composite shell structures under dynamic loading by SPH method

Abstract : The objective of this thesis is the development and the extension of the SPH method for the analysis of isotropic and multilayered composite shell structures, undergoing dynamic loading. Major defects of the classical SPH method such as the lack of consistency, the tensile instability are solved by "Corrective Smoothed Particle Method", the use of the Total Lagrangian Formulation and artificial viscosity. Mindlin-Reissner Theory is employed for the modeling of thick shells, by using only one layer of particles in the mid-plane. The strong form of the governing equations for shell structures are discretized directly by the modified SPH method and solved using the central difference time integration scheme. An extension of the method has been introduced for the modeling of low-velocity impact of shells by rigid impactors. The contact force is calculated based on the Hertzian contact law. A last extension of the SPH method concerns the integration of Tsai-Wu failure criterion for the modeling of progressive degradation of multilayered structures.
Document type :
Theses
Complete list of metadata

Cited literature [170 references]  Display  Hide  Download

https://tel.archives-ouvertes.fr/tel-00997702
Contributor : ABES STAR :  Contact
Submitted on : Wednesday, May 28, 2014 - 3:38:28 PM
Last modification on : Sunday, June 26, 2022 - 9:58:33 AM
Long-term archiving on: : Thursday, August 28, 2014 - 12:51:01 PM

File

These_UTC_Jun_Lin.pdf
Version validated by the jury (STAR)

Identifiers

  • HAL Id : tel-00997702, version 1

Collections

Citation

Jun Lin. Nonlinear transient analysis of isotropic and composite shell structures under dynamic loading by SPH method. Other. Université de Technologie de Compiègne, 2014. English. ⟨NNT : 2014COMP2138⟩. ⟨tel-00997702⟩

Share

Metrics

Record views

326

Files downloads

914