The Hu-Washizu variational principle for the identification of imperfections in beams

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Abstract

This paper presents a procedure for the identification of imperfections of structural parameters based on displacement measurements by static tests. The proposed procedure is based on the well-known Hu-Washizu variational principle, suitably modified to account for the response measurements, which is able to provide closed-form solutions to some inverse problems for the identification of structural parameter imperfections in beams.
Lingua originaleEnglish
pagine (da-a)1259-1281
Numero di pagine21
RivistaInternational Journal for Numerical Methods in Engineering
Volume75
Stato di pubblicazionePublished - 2008

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Structural Parameters
Imperfections
Variational Principle
Displacement Measurement
Defects
Displacement measurement
Inverse problems
Closed-form Solution
Inverse Problem

All Science Journal Classification (ASJC) codes

  • Numerical Analysis
  • Engineering(all)
  • Applied Mathematics

Cita questo

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title = "The Hu-Washizu variational principle for the identification of imperfections in beams",
abstract = "This paper presents a procedure for the identification of imperfections of structural parameters based on displacement measurements by static tests. The proposed procedure is based on the well-known Hu-Washizu variational principle, suitably modified to account for the response measurements, which is able to provide closed-form solutions to some inverse problems for the identification of structural parameter imperfections in beams.",
keywords = "Hu-Washizu variational principle, concentrated damage, imperfections, static tests, structural parameter identification",
author = "{Di Paola}, Mario and Caddemi",
year = "2008",
language = "English",
volume = "75",
pages = "1259--1281",
journal = "International Journal for Numerical Methods in Engineering",
issn = "0029-5981",
publisher = "John Wiley and Sons Ltd",

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T1 - The Hu-Washizu variational principle for the identification of imperfections in beams

AU - Di Paola, Mario

AU - Caddemi, null

PY - 2008

Y1 - 2008

N2 - This paper presents a procedure for the identification of imperfections of structural parameters based on displacement measurements by static tests. The proposed procedure is based on the well-known Hu-Washizu variational principle, suitably modified to account for the response measurements, which is able to provide closed-form solutions to some inverse problems for the identification of structural parameter imperfections in beams.

AB - This paper presents a procedure for the identification of imperfections of structural parameters based on displacement measurements by static tests. The proposed procedure is based on the well-known Hu-Washizu variational principle, suitably modified to account for the response measurements, which is able to provide closed-form solutions to some inverse problems for the identification of structural parameter imperfections in beams.

KW - Hu-Washizu variational principle

KW - concentrated damage

KW - imperfections

KW - static tests

KW - structural parameter identification

UR - http://hdl.handle.net/10447/43475

M3 - Article

VL - 75

SP - 1259

EP - 1281

JO - International Journal for Numerical Methods in Engineering

JF - International Journal for Numerical Methods in Engineering

SN - 0029-5981

ER -