| 1. Identity statement | |
| Reference Type | Book Section |
| Site | mtc-m16.sid.inpe.br |
| Holder Code | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
| Identifier | 6qtX3pFwXQZsFDuKxG/zVgwJ |
| Repository | sid.inpe.br/marciana/2003/10.30.11.25 (restricted access) |
| Last Update | 2018:02.21.16.00.40 (UTC) marciana |
| Metadata Repository | sid.inpe.br/marciana/2003/10.30.11.25.45 |
| Metadata Last Update | 2021:02.11.18.09.24 (UTC) administrator |
| Secondary Key | INPE-10054-PRE/5601 |
| Label | self-archiving-INPE-MCTIC-GOV-BR |
| Citation Key | VidalKataTakaSouz:1998:PrApDe |
| Title | A practical application of design sensitivity analysis to the structural optimazition of a satellite  |
| Year | 1998 |
| Access Date | 2024, May 08 |
| Secondary Type | PRE LI |
| Number of Files | 1 |
| Size | 389 KiB |
| 2. Context | |
| Author | 1 Vidal, Creto 2 Kataoka Filho, Mário 3 Takahashi, Walter K. 4 Souza, Petrônio Noronha de |
| Group | 1 DMC-INPE-MCT-BR |
| Affiliation | 1 Divisão de Mecânica espacial e Controle |
| Editor | Idelsohn, S. Onãte, E. Dvorkin, E. |
| Book Title | Computational mechanics: new trends and applications |
| Publisher | CIMNE |
| City | Barcelona, Spain |
| Pages | 1-17 |
| History (UTC) | 2006-02-01 16:53:50 :: marciana -> administrator :: 2012-10-16 03:13:58 :: administrator -> marciana :: 2018-02-21 16:00:40 :: marciana -> administrator :: 1998 2021-02-11 18:09:24 :: administrator -> :: 1998 |
| 3. Content and structure | |
| Is the master or a copy? | is the master |
| Content Stage | completed |
| Transferable | 1 |
| Content Type | External Contribution |
| Keywords | structural optimization design sensitivity analysis aerospace structures |
| Abstract | A practical application of design sensitivity analysis to the optimization process of a complex satellite structure is presented. The structural optimization problem is to minimize the lowest natural longitudinal frequency of the structure of SACI-I (the Brazilian Scientific Satellite), subject to constraints on the natural lateral frequencies. The need for reducing the lowest longitudinal natural frequency was evidenced by the numerical and experimental results which showed excessively high levels of acceleration on the electronic components due to the proximity of that frequency to the natural frequency of the structural framework holding the printed circuit boards. In general, this type of problem is very complex to be approached by a trial-and-error procedure, and, since the number of design variables involved is to large, it is not practical to be solved by an automatic optimization process. Design sensitivity analysis plays a very important role in turning the optimization problem of complex structures treatable. This is achieved in two stages. In the first stage, a design sensitivity analysis is performed with the whole set of design variables. Then, the design space is reduced by elimination of all the design variables corresponding to sensitivities bellow a specified threshold. In the second stage, the reduced design space is used to perform the optimization procedure. With this strategy, a significant reduction of the lowest natural longitudinal frequency was attained.. |
| Area | ETES |
| Arrangement | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDMC > A practical application... |
| doc Directory Content | access |
| source Directory Content | there are no files |
| agreement Directory Content | there are no files |
| 4. Conditions of access and use | |
| Language | en |
| Target File | 10054.pdf |
| User Group | administrator |
| Visibility | shown |
| Copy Holder | SID/SCD |
| Read Permission | deny from all and allow from 150.163 |
| Update Permission | not transferred |
| 5. Allied materials | |
| Next Higher Units | 8JMKD3MGPCW/446AF4B |
| Host Collection | sid.inpe.br/banon/2003/08.15.17.40 |
| 6. Notes | |
| Empty Fields | archivingpolicy archivist callnumber copyright creatorhistory descriptionlevel dissemination doi e-mailaddress edition electronicmailaddress format isbn issn lineage mark mirrorrepository nextedition notes numberofvolumes orcid parameterlist parentrepositories previousedition previouslowerunit progress project readergroup resumeid rightsholder schedulinginformation secondarydate secondarymark serieseditor seriestitle session shorttitle sponsor subject tertiarymark tertiarytype translator url versiontype volume |