| 1. Identificação | |
| Tipo de Referência | Artigo em Revista Científica (Journal Article) |
| Site | mtc-m16b.sid.inpe.br |
| Código do Detentor | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
| Identificador | 6qtX3pFwXQZGivnK2Y/SkSrV |
| Repositório | sid.inpe.br/mtc-m17@80/2007/12.03.13.12 (acesso restrito) |
| Última Atualização | 2018:04.13.17.22.19 (UTC) marciana |
| Repositório de Metadados | sid.inpe.br/mtc-m17@80/2007/12.03.13.12.22 |
| Última Atualização dos Metadados | 2018:06.05.03.35.51 (UTC) administrator |
| Chave Secundária | INPE--PRE/ |
| ISSN | 0365-7442 |
| Rótulo | self-archiving-INPE-MCTIC-GOV-BR |
| Chave de Citação | GasbarriChiwCamp:2007:CoFrTi |
| Título | A Comparison between frequency and time domain approaches for determining a structural damage using the adjoint method  |
| Ano | 2007 |
| Data de Acesso | 03 maio 2024 |
| Tipo de Trabalho | journal article |
| Tipo Secundário | PRE PI |
| Número de Arquivos | 1 |
| Tamanho | 10234 KiB |
| 2. Contextualização | |
| Autor | 1 Gasbarri, P. 2 Chiwiacosky, L. D. 3 Campos Velho, Haroldo Fraga de |
| Grupo | 1 2 3 LAC-INPE-MCT-BR |
| Afiliação | 1 2 3 Instituto Nacional de Pesquisas Espaciais (INPE) |
| Revista | Aerotecnica Missili e Spazio |
| Volume | 86 |
| Número | 2 |
| Páginas | 53-69 |
| Histórico (UTC) | 2007-12-03 13:12:22 :: simone -> administrator :: 2012-11-24 01:32:39 :: administrator -> simone :: 2007 2013-02-20 15:20:09 :: simone -> administrator :: 2007 2016-06-04 21:39:53 :: administrator -> marciana :: 2007 2018-04-13 17:22:19 :: marciana -> administrator :: 2007 2018-06-05 03:35:51 :: administrator -> marciana :: 2007 |
| 3. Conteúdo e estrutura | |
| É a matriz ou uma cópia? | é a matriz |
| Estágio do Conteúdo | concluido |
| Transferível | 1 |
| Tipo do Conteúdo | External Contribution |
| Tipo de Versão | publisher |
| Resumo | he present investigation is focused on the solution of a dynamic inverse problem which is concerned with the assessment of damage in structures by means of measured vibration data. Considerable research and effort over the last few decades has taken place in the field of damage detection and damage classification in structures, generating a variety of experimental, numerical and analytical techniques [1, 2]. The inverse problem solution is generally unstable, therefore small perturbations in the input data, like random errors inherent to the measurements used in the analysis, can cause large oscillations on the solution. In order to overcame this diffculty a sort of methods have been propose by using regularization techniques coupled with both deterministic and stochastic approaches. An example of deterministic approach is the conjugate gradient method with the use of the adjoint equation whereas the genetic algorithm method belongs to the class of the stochastic approaches. Both techniques have already been used successfully in inverse heat conduction problems [3]. In this work the inverse vibration problem, i.e. the ill-posed problem, is presented as a well-posed functional form, whose solution is obtained through the use of a hybrid approach which employs the genetic algorithm method coupled with the conjugate gradient method with the adjoint equation, also called variational approach. In addition, two different methodologies have been compared, the one based on frequency domain approach and the other one based on time domain approach. In the first case it has been assumed that the experimental data available are the eigenfrequencies and eigenmodes of the structure, whereas in the second one measurements of displacements of the structure have been assumed as the data available for the analysis. In both cases the damage estimation has been evaluated using noiseless and noisy synthetic experimental data. The idea of this work is to analyze and compare the results obtained with the two formulations (i.e. the time-domain and the frequency-domain formulation) making it possible a better understanding of the inverse method here adopted and its ability to find, locate and quantify a damage in a structure. |
| Área | COMP |
| Arranjo | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > LABAC > A Comparison between... |
| Conteúdo da Pasta doc | acessar |
| Conteúdo da Pasta source | não têm arquivos |
| Conteúdo da Pasta agreement | não têm arquivos |
| 4. Condições de acesso e uso | |
| Idioma | en |
| Grupo de Usuários | administrator simone |
| Visibilidade | shown |
| Política de Arquivamento | denypublisher denyfinaldraft |
| Permissão de Leitura | deny from all and allow from 150.163 |
| Permissão de Atualização | não transferida |
| 5. Fontes relacionadas | |
| Unidades Imediatamente Superiores | 8JMKD3MGPCW/3ESGTTP |
| Divulgação | WEBSCI |
| Acervo Hospedeiro | cptec.inpe.br/walmeida/2003/04.25.17.12 |
| 6. Notas | |
| Campos Vazios | alternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel doi e-mailaddress electronicmailaddress format isbn keywords lineage mark mirrorrepository month nextedition notes orcid parameterlist parentrepositories previousedition previouslowerunit progress project readergroup resumeid rightsholder schedulinginformation secondarydate secondarymark session shorttitle sponsor subject targetfile tertiarymark tertiarytype url |
| 7. Controle da descrição | |
| e-Mail (login) | marciana |
| atualizar | |