A Unified Approach to Substructuring and Structural Modification Problems
Substructures coupling is still an important tool in several applications of modal analysis, especially structural modification and structures assembling. The subject is particularly relevant in virtual prototyping of complex systems and responds to actual industrial needs. This paper analyzes the p...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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Wiley
2004-01-01
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| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2004/490471 |
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| _version_ | 1832558209571749888 |
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| author | Walter D’Ambrogio Aldo Sestieri |
| author_facet | Walter D’Ambrogio Aldo Sestieri |
| author_sort | Walter D’Ambrogio |
| collection | DOAJ |
| description | Substructures coupling is still an important tool in several applications of modal analysis, especially structural modification and structures assembling. The subject is particularly relevant in virtual prototyping of complex systems and responds to actual industrial needs. This paper analyzes the possibility of assembling together different substructures' models. The important role of rotational DoFs is highlighted, underlying the difficulty of assembling theoretical and experimental models, for which, usually, the rotational DoFs are not available. Expansion techniques can be used to provide this information as well as appropriate modelling of joints. With this information FRF models, modal models and FE models can be appropriately combined together and solutions for several cases of practical interest are presented. The analyzed procedures are tested on purpose-built benchmarks, showing limits and capabilities of each of them. |
| format | Article |
| id | doaj-art-e25b5cde51214aaba70cc1c4acb2b7ae |
| institution | Kabale University |
| issn | 1070-9622 1875-9203 |
| language | English |
| publishDate | 2004-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-e25b5cde51214aaba70cc1c4acb2b7ae2025-02-03T01:33:04ZengWileyShock and Vibration1070-96221875-92032004-01-01113-429530910.1155/2004/490471A Unified Approach to Substructuring and Structural Modification ProblemsWalter D’Ambrogio0Aldo Sestieri1Universitè de L’Aquila, Dipartimento di Energetica, Località Monteluco, I-67040 Roio Poggio (AQ), ItalyUniversit di Roma “La Sapienza”, Dipartimento di Meccanica e Aeronautica, Via Eudossiana 18, I-00184 Roma, ItalySubstructures coupling is still an important tool in several applications of modal analysis, especially structural modification and structures assembling. The subject is particularly relevant in virtual prototyping of complex systems and responds to actual industrial needs. This paper analyzes the possibility of assembling together different substructures' models. The important role of rotational DoFs is highlighted, underlying the difficulty of assembling theoretical and experimental models, for which, usually, the rotational DoFs are not available. Expansion techniques can be used to provide this information as well as appropriate modelling of joints. With this information FRF models, modal models and FE models can be appropriately combined together and solutions for several cases of practical interest are presented. The analyzed procedures are tested on purpose-built benchmarks, showing limits and capabilities of each of them.http://dx.doi.org/10.1155/2004/490471 |
| spellingShingle | Walter D’Ambrogio Aldo Sestieri A Unified Approach to Substructuring and Structural Modification Problems Shock and Vibration |
| title | A Unified Approach to Substructuring and Structural Modification Problems |
| title_full | A Unified Approach to Substructuring and Structural Modification Problems |
| title_fullStr | A Unified Approach to Substructuring and Structural Modification Problems |
| title_full_unstemmed | A Unified Approach to Substructuring and Structural Modification Problems |
| title_short | A Unified Approach to Substructuring and Structural Modification Problems |
| title_sort | unified approach to substructuring and structural modification problems |
| url | http://dx.doi.org/10.1155/2004/490471 |
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