Static Stability of Composite Annular Plates with Auxetic Properties
This paper presents an evaluation of the static stability of complex, composite annular plates with layers having auxetic properties. The main objective of the numerical investigations is the development of a plate model, which uses an approximate solution based on orthogonalization and finite diffe...
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2022-05-01
|
| Series: | Materials |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1996-1944/15/10/3579 |
| _version_ | 1797498266843086848 |
|---|---|
| author | Dorota Pawlus |
| author_facet | Dorota Pawlus |
| author_sort | Dorota Pawlus |
| collection | DOAJ |
| description | This paper presents an evaluation of the static stability of complex, composite annular plates with layers having auxetic properties. The main objective of the numerical investigations is the development of a plate model, which uses an approximate solution based on orthogonalization and finite difference methods. The three-layered plate is composed of auxetic facings and a soft, foam core. The material properties of the facings are characterized by Poisson’s ratio, the values of which are variously positive and negative. The results obtained for an auxetic plate were compared on the basis of the results for a plate with traditional facings and a plate model built of finite elements. Additionally, in order to verify the calculation results, an analysis of the homogeneous plate was performed. Two plate models built of finite differences and finite elements were compared. The wide image of buckling responses of the examined plates was created on the basis of the calculation results of both compressed and radially stretched plates. An increase in the values of the critical static loads with increasing absolute value of Poisson’s ratio of auxetic facings is one of the observations. |
| first_indexed | 2024-03-10T03:31:01Z |
| format | Article |
| id | doaj.art-926722db42264571bb9673c046aef821 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-10T03:31:01Z |
| publishDate | 2022-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-926722db42264571bb9673c046aef8212023-11-23T11:57:30ZengMDPI AGMaterials1996-19442022-05-011510357910.3390/ma15103579Static Stability of Composite Annular Plates with Auxetic PropertiesDorota Pawlus0Faculty of Mechanical Engineering and Computer Science, University of Bielsko-Biala, 43-308 Bielsko-Biala, PolandThis paper presents an evaluation of the static stability of complex, composite annular plates with layers having auxetic properties. The main objective of the numerical investigations is the development of a plate model, which uses an approximate solution based on orthogonalization and finite difference methods. The three-layered plate is composed of auxetic facings and a soft, foam core. The material properties of the facings are characterized by Poisson’s ratio, the values of which are variously positive and negative. The results obtained for an auxetic plate were compared on the basis of the results for a plate with traditional facings and a plate model built of finite elements. Additionally, in order to verify the calculation results, an analysis of the homogeneous plate was performed. Two plate models built of finite differences and finite elements were compared. The wide image of buckling responses of the examined plates was created on the basis of the calculation results of both compressed and radially stretched plates. An increase in the values of the critical static loads with increasing absolute value of Poisson’s ratio of auxetic facings is one of the observations.https://www.mdpi.com/1996-1944/15/10/3579auxeticitybucklingcomposite annular platefinite element method |
| spellingShingle | Dorota Pawlus Static Stability of Composite Annular Plates with Auxetic Properties Materials auxeticity buckling composite annular plate finite element method |
| title | Static Stability of Composite Annular Plates with Auxetic Properties |
| title_full | Static Stability of Composite Annular Plates with Auxetic Properties |
| title_fullStr | Static Stability of Composite Annular Plates with Auxetic Properties |
| title_full_unstemmed | Static Stability of Composite Annular Plates with Auxetic Properties |
| title_short | Static Stability of Composite Annular Plates with Auxetic Properties |
| title_sort | static stability of composite annular plates with auxetic properties |
| topic | auxeticity buckling composite annular plate finite element method |
| url | https://www.mdpi.com/1996-1944/15/10/3579 |
| work_keys_str_mv | AT dorotapawlus staticstabilityofcompositeannularplateswithauxeticproperties |