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Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts
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| Zeitschriftentitel: | Shock and Vibration |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Shock and Vibration, 11, 2004, 3-4, S. 271-280 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Hindawi Limited
|
| Schlagwörter: |
| author_facet |
Carfagni, M. Citti, P. Governi, L. Pierini, M. Carfagni, M. Citti, P. Governi, L. Pierini, M. |
|---|---|
| author |
Carfagni, M. Citti, P. Governi, L. Pierini, M. |
| spellingShingle |
Carfagni, M. Citti, P. Governi, L. Pierini, M. Shock and Vibration Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts Mechanical Engineering Mechanics of Materials Geotechnical Engineering and Engineering Geology Condensed Matter Physics Civil and Structural Engineering |
| author_sort |
carfagni, m. |
| spelling |
Carfagni, M. Citti, P. Governi, L. Pierini, M. 1070-9622 1875-9203 Hindawi Limited Mechanical Engineering Mechanics of Materials Geotechnical Engineering and Engineering Geology Condensed Matter Physics Civil and Structural Engineering http://dx.doi.org/10.1155/2004/273532 <jats:p>Vehicle noise and vibration levels are basic parameters in passenger comfort. Both static and dynamic stiffness of sheet metal parts is commonly increased by means of stiffening ribs. Vibrations are also reduced by adding a layer of damping material on the floor, the roof, the firewall and other parts of the vehicle. In common practice the panels to be treated are ribbed according to criteria based on the designer’s experience, rather than on well defined design procedures and are uniformly covered by a layer of damping material. However, these are not efficient design solutions, especially with regard to the effectiveness of vibration reduction and to weight containment. In this paper a novel approach to achieve an optimal distribution of stiffening ribs and damping material will be presented. The proposed method is based on a Genetic Algorithm (G.A.) procedure which takes into account both the vibroacoustic performance and the weight and cost reduction. A simple case study will be illustrated to demonstrate the capabilities of the developed procedure.</jats:p> Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts Shock and Vibration |
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| title |
Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts |
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Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts |
| title_full |
Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts |
| title_fullStr |
Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts |
| title_full_unstemmed |
Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts |
| title_short |
Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts |
| title_sort |
vibroacoustic optimization of stiffening ribs and damping material distribution on sheet metal parts |
| topic |
Mechanical Engineering Mechanics of Materials Geotechnical Engineering and Engineering Geology Condensed Matter Physics Civil and Structural Engineering |
| url |
http://dx.doi.org/10.1155/2004/273532 |
| publishDate |
2004 |
| physical |
271-280 |
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<jats:p>Vehicle noise and vibration levels are basic parameters in passenger comfort. Both static and dynamic stiffness of sheet metal parts is commonly increased by means of stiffening ribs. Vibrations are also reduced by adding a layer of damping material on the floor, the roof, the firewall and other parts of the vehicle. In common practice the panels to be treated are ribbed according to criteria based on the designer’s experience, rather than on well defined design procedures and are uniformly covered by a layer of damping material. However, these are not efficient design solutions, especially with regard to the effectiveness of vibration reduction and to weight containment. In this paper a novel approach to achieve an optimal distribution of stiffening ribs and damping material will be presented. The proposed method is based on a Genetic Algorithm (G.A.) procedure which takes into account both the vibroacoustic performance and the weight and cost reduction. A simple case study will be illustrated to demonstrate the capabilities of the developed procedure.</jats:p> |
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| author | Carfagni, M., Citti, P., Governi, L., Pierini, M. |
| author_facet | Carfagni, M., Citti, P., Governi, L., Pierini, M., Carfagni, M., Citti, P., Governi, L., Pierini, M. |
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| description | <jats:p>Vehicle noise and vibration levels are basic parameters in passenger comfort. Both static and dynamic stiffness of sheet metal parts is commonly increased by means of stiffening ribs. Vibrations are also reduced by adding a layer of damping material on the floor, the roof, the firewall and other parts of the vehicle. In common practice the panels to be treated are ribbed according to criteria based on the designer’s experience, rather than on well defined design procedures and are uniformly covered by a layer of damping material. However, these are not efficient design solutions, especially with regard to the effectiveness of vibration reduction and to weight containment. In this paper a novel approach to achieve an optimal distribution of stiffening ribs and damping material will be presented. The proposed method is based on a Genetic Algorithm (G.A.) procedure which takes into account both the vibroacoustic performance and the weight and cost reduction. A simple case study will be illustrated to demonstrate the capabilities of the developed procedure.</jats:p> |
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| spelling | Carfagni, M. Citti, P. Governi, L. Pierini, M. 1070-9622 1875-9203 Hindawi Limited Mechanical Engineering Mechanics of Materials Geotechnical Engineering and Engineering Geology Condensed Matter Physics Civil and Structural Engineering http://dx.doi.org/10.1155/2004/273532 <jats:p>Vehicle noise and vibration levels are basic parameters in passenger comfort. Both static and dynamic stiffness of sheet metal parts is commonly increased by means of stiffening ribs. Vibrations are also reduced by adding a layer of damping material on the floor, the roof, the firewall and other parts of the vehicle. In common practice the panels to be treated are ribbed according to criteria based on the designer’s experience, rather than on well defined design procedures and are uniformly covered by a layer of damping material. However, these are not efficient design solutions, especially with regard to the effectiveness of vibration reduction and to weight containment. In this paper a novel approach to achieve an optimal distribution of stiffening ribs and damping material will be presented. The proposed method is based on a Genetic Algorithm (G.A.) procedure which takes into account both the vibroacoustic performance and the weight and cost reduction. A simple case study will be illustrated to demonstrate the capabilities of the developed procedure.</jats:p> Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts Shock and Vibration |
| spellingShingle | Carfagni, M., Citti, P., Governi, L., Pierini, M., Shock and Vibration, Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts, Mechanical Engineering, Mechanics of Materials, Geotechnical Engineering and Engineering Geology, Condensed Matter Physics, Civil and Structural Engineering |
| title | Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts |
| title_full | Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts |
| title_fullStr | Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts |
| title_full_unstemmed | Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts |
| title_short | Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts |
| title_sort | vibroacoustic optimization of stiffening ribs and damping material distribution on sheet metal parts |
| title_unstemmed | Vibroacoustic Optimization of Stiffening Ribs and Damping Material Distribution on Sheet Metal Parts |
| topic | Mechanical Engineering, Mechanics of Materials, Geotechnical Engineering and Engineering Geology, Condensed Matter Physics, Civil and Structural Engineering |
| url | http://dx.doi.org/10.1155/2004/273532 |