Formulation and evaluation of an analytical model for composite box-beams

Edward Smith, Inderjit Chopra

Research output: Contribution to journalConference article

22 Citations (Scopus)

Abstract

A direct analytical beam formulation is developed for predicting the effective elastic stiffnesses and corresponding load deformation behavior of tailored composite box-beams. Deformation of the beam is described by extension, bending, torsion, transverse shearing, and torsion-related out-of-plane warping. Evaluation and validation of the analysis is conducted by correlation with both experimental results and detailed finite element solutions. The analysis is evaluated for thin-walled composite beams with no elastic coupling, designs with varying degrees of extension-torsion and bending-shear couplings, and designs with bending-torsion and extension-shear coupling. The analysis performed well over a wide range of test cases, generally predicting beam deformations within 10% of detailed finite element solutions. The importance of three non-classical structural phenomenon is systematically investigated for coupled composite beams.

Original languageEnglish (US)
Pages (from-to)759-782
Number of pages24
JournalCollection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
Issue numberpt 2
StatePublished - Jan 1 1990
Event31st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. Part 3 (of 4): Structural Dynamics I - Long Beach, CA, USA
Duration: Apr 2 1990Apr 4 1990

Fingerprint

Torsional stress
Analytical models
Bending (forming)
Composite materials
Bending (deformation)
Shearing
Loads (forces)
Stiffness

All Science Journal Classification (ASJC) codes

  • Architecture
  • Materials Science(all)
  • Aerospace Engineering
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

@article{a14a947e3fbc4df0ab6184421af7c0bb,
title = "Formulation and evaluation of an analytical model for composite box-beams",
abstract = "A direct analytical beam formulation is developed for predicting the effective elastic stiffnesses and corresponding load deformation behavior of tailored composite box-beams. Deformation of the beam is described by extension, bending, torsion, transverse shearing, and torsion-related out-of-plane warping. Evaluation and validation of the analysis is conducted by correlation with both experimental results and detailed finite element solutions. The analysis is evaluated for thin-walled composite beams with no elastic coupling, designs with varying degrees of extension-torsion and bending-shear couplings, and designs with bending-torsion and extension-shear coupling. The analysis performed well over a wide range of test cases, generally predicting beam deformations within 10{\%} of detailed finite element solutions. The importance of three non-classical structural phenomenon is systematically investigated for coupled composite beams.",
author = "Edward Smith and Inderjit Chopra",
year = "1990",
month = "1",
day = "1",
language = "English (US)",
pages = "759--782",
journal = "Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference",
issn = "0273-4508",
publisher = "American Institute of Aeronautics and Astronautics Inc. (AIAA)",
number = "pt 2",

}

TY - JOUR

T1 - Formulation and evaluation of an analytical model for composite box-beams

AU - Smith, Edward

AU - Chopra, Inderjit

PY - 1990/1/1

Y1 - 1990/1/1

N2 - A direct analytical beam formulation is developed for predicting the effective elastic stiffnesses and corresponding load deformation behavior of tailored composite box-beams. Deformation of the beam is described by extension, bending, torsion, transverse shearing, and torsion-related out-of-plane warping. Evaluation and validation of the analysis is conducted by correlation with both experimental results and detailed finite element solutions. The analysis is evaluated for thin-walled composite beams with no elastic coupling, designs with varying degrees of extension-torsion and bending-shear couplings, and designs with bending-torsion and extension-shear coupling. The analysis performed well over a wide range of test cases, generally predicting beam deformations within 10% of detailed finite element solutions. The importance of three non-classical structural phenomenon is systematically investigated for coupled composite beams.

AB - A direct analytical beam formulation is developed for predicting the effective elastic stiffnesses and corresponding load deformation behavior of tailored composite box-beams. Deformation of the beam is described by extension, bending, torsion, transverse shearing, and torsion-related out-of-plane warping. Evaluation and validation of the analysis is conducted by correlation with both experimental results and detailed finite element solutions. The analysis is evaluated for thin-walled composite beams with no elastic coupling, designs with varying degrees of extension-torsion and bending-shear couplings, and designs with bending-torsion and extension-shear coupling. The analysis performed well over a wide range of test cases, generally predicting beam deformations within 10% of detailed finite element solutions. The importance of three non-classical structural phenomenon is systematically investigated for coupled composite beams.

UR - http://www.scopus.com/inward/record.url?scp=0025212085&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0025212085&partnerID=8YFLogxK

M3 - Conference article

AN - SCOPUS:0025212085

SP - 759

EP - 782

JO - Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference

JF - Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference

SN - 0273-4508

IS - pt 2

ER -