Schilling, Jakob C. ; Mittelstedt, C.
Hrsg.: Altenbach, Holm ; Chinchaladze, Natalia ; Kienzler, Reinhold ; Müller, Wolfgang H. (2020)
Validity of the Reduced Bending Stiffness Method for Stacked Laminates.
In: Analysis of Shells, Plates, and Beams: A State of the Art Report
doi: 10.1007/978-3-030-47491-1_21
Buchkapitel, Bibliographie
Kurzbeschreibung (Abstract)
Unsymmetrical laminates are unavoidable in practical applications of composite materials. Fuselages require a smooth surface on the outside and can be typically only stiffened by attaching reinforcements on the inside. Here, the stringer feet are often stacked on top of the skin surface. In those cases, the reduced bending stiffness (RBS) method has been applied to avoid more complex computational methods for the approximation of critical buckling loads. However, the validity of the RBS method has not been evaluated for stacked laminates but for single unsymmetrical laminates only. This topic is addressed in the present work by investigating a stacked laminate consisting of two by itself symmetrical cross-ply laminates under uniaxial compression. The panel is simply supported. The effects of prebuckling deformation are neglected. The results show perfect agreement for the special case investigated; thus, the utilisation of the reduced bending stiffness method can be recommended.
| Typ des Eintrags: | Buchkapitel |
|---|---|
| Erschienen: | 2020 |
| Herausgeber: | Altenbach, Holm ; Chinchaladze, Natalia ; Kienzler, Reinhold ; Müller, Wolfgang H. |
| Autor(en): | Schilling, Jakob C. ; Mittelstedt, C. |
| Art des Eintrags: | Bibliographie |
| Titel: | Validity of the Reduced Bending Stiffness Method for Stacked Laminates |
| Sprache: | Englisch |
| Publikationsjahr: | 4 Juni 2020 |
| Ort: | Cham |
| Verlag: | Springer International Publishing |
| Buchtitel: | Analysis of Shells, Plates, and Beams: A State of the Art Report |
| Reihe: | Advanced Structured Materials ; 134 |
| Veranstaltungsort: | Cham |
| DOI: | 10.1007/978-3-030-47491-1_21 |
| Kurzbeschreibung (Abstract): | Unsymmetrical laminates are unavoidable in practical applications of composite materials. Fuselages require a smooth surface on the outside and can be typically only stiffened by attaching reinforcements on the inside. Here, the stringer feet are often stacked on top of the skin surface. In those cases, the reduced bending stiffness (RBS) method has been applied to avoid more complex computational methods for the approximation of critical buckling loads. However, the validity of the RBS method has not been evaluated for stacked laminates but for single unsymmetrical laminates only. This topic is addressed in the present work by investigating a stacked laminate consisting of two by itself symmetrical cross-ply laminates under uniaxial compression. The panel is simply supported. The effects of prebuckling deformation are neglected. The results show perfect agreement for the special case investigated; thus, the utilisation of the reduced bending stiffness method can be recommended. |
| Freie Schlagworte: | Buckling, Stability, Cross-ply laminate, Extensional-bending coupling, Reduced bending stiffness, Stacked laminate |
| Fachbereich(e)/-gebiet(e): | 16 Fachbereich Maschinenbau 16 Fachbereich Maschinenbau > Fachgebiet für Konstruktiven Leichtbau und Bauweisen-KLuB (2023 umbenannt in Leichtbau und Strukturmechanik (LSM)) |
| Hinterlegungsdatum: | 19 Feb 2021 07:15 |
| Letzte Änderung: | 19 Feb 2021 07:15 |
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