IDEALS Home University of Illinois at Urbana-Champaign logo The Alma Mater The Main Quad

Non-Intrusive Extension of a Generalized Finite Element Method for Multiscale Problems to the Abaqus Analysis Platform

Show full item record

Bookmark or cite this item: http://hdl.handle.net/2142/24461

Files in this item

File Description Format
PDF Plews_Julia.pdf (2MB) (no description provided) PDF
Title: Non-Intrusive Extension of a Generalized Finite Element Method for Multiscale Problems to the Abaqus Analysis Platform
Author(s): Plews, Julia A.
Advisor(s): Duarte, C. Armando
Department / Program: Civil & Environmental Eng
Discipline: Civil Engineering
Degree Granting Institution: University of Illinois at Urbana-Champaign
Degree: M.S.
Genre: Thesis
Subject(s): finite element methods multiscale heat transfer Galerkin methods generalized finite element methods
Abstract: Several classes of important engineering problems – in this case, problems exhibiting sharp thermal gradients – have solution features spanning multiple spatial scales of interest and, therefore, necessitate advanced hp finite element discretizations. Although hp-FEM is unavailable off-the-shelf in many predominant commercial analysis software packages, a novel method is proposed herein which is used to introduce these capabilities via the generalized FEM with global-local enrichments (GFEMgl) non-intrusively in Abaqus, a popular, general-purpose FEA platform. Numerical results show that the techniques utilized allow for accurate resolution of localized thermal features on structural-scale meshes without hp-adaptivity or the ability to account for very localized loads in the FEM framework itself. This methodology enables the user to take advantage of all the benefits of both hp-FEM discretizations and the appealing features of many available CAE/FEA software packages in order to obtain optimal convergence for challenging multiscale problems.
Issue Date: 2011-05-25
URI: http://hdl.handle.net/2142/24461
Rights Information: Copyright 2011 Julia A. Plews
Date Available in IDEALS: 2011-05-25
2013-05-26
Date Deposited: 2011-05
 

This item appears in the following Collection(s)

Show full item record

Item Statistics

  • Total Downloads: 53
  • Downloads this Month: 5
  • Downloads Today: 0

Browse

My Account

Information

Access Key