Mixed MITC and interface shell element formulation for complex viscoelastic shell structures

Sy Ngoc Nguyen, Jaehun Lee, Thuan N.T. Ho

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This study presents a novel approach for constitutive modeling of complex shell structures using a mixture of MITC3 and MITC4 and interface shell element formulation. It focuses on accurate viscoelastic analysis, considering time-dependent behavior such as creep and relaxation. By combining the advantages of MITC3 and MITC4 elements, along with interface shell elements, this approach provides a comprehensive representation of complex shell structures with nonmatching interfaces. These methods also provide better resistance to shear and membrane locking, which can be problematic when modeling thin shell structures. Moreover, the use of the Laplace transform simplifies the integral-form constitutive equation, enabling efficient and accurate viscoelastic analysis. This research contributes to improving the design and performance of shell structures in various engineering fields.

Original languageEnglish
Title of host publicationAIAA SciTech Forum and Exposition, 2024
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624107115
DOIs
StatePublished - 2024
EventAIAA SciTech Forum and Exposition, 2024 - Orlando, United States
Duration: 8 Jan 202412 Jan 2024

Publication series

NameAIAA SciTech Forum and Exposition, 2024

Conference

ConferenceAIAA SciTech Forum and Exposition, 2024
Country/TerritoryUnited States
CityOrlando
Period8/01/2412/01/24

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