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Stress Analysis of the Fuselage Cabin Pressure Bulkhead and Evaluation of Different Geometrical ConfigurationsInternational journal of engineering research and technology, 4
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(2018)
Stress analysis & optimization of pressure bulkhead using finite element techniques
- Publisher
- Emerald Publishing
- Copyright
- © Emerald Publishing Limited
- ISSN
- 1748-8842
- DOI
- 10.1108/aeat-05-2020-0097
- Publisher site
- See Article on Publisher Site
Abstract
The purpose of this paper is to evaluate the model of a rear pressure bulkhead with different design optimizations to meet the pressurized cabin requirements of an aircraft.Design/methodology/approachThis paper presents the results of the static analysis of a dome-shaped rear pressure bulkhead model designed in Catia-v5. Numerical analysis of model meshed in hyper-mesh and solved using Opti-Struct for iterative design optimizations.FindingsAll the iterative models are analyzed at 9 Psi. Rear pressure bulkhead designed with L-section stringer shows better results than the model optimized with T-section stringer for the same thickness. The model optimized with L-shaped stinger also reduces the weight of the bulkhead without affecting the structural integrity.Practical implicationsIt has been concluded in this paper that the selection of specific shapes of the stringers shows a significant influence on weight reduction.Originality/valueThis paper provides a topical, technical insight into the design and development of a rear pressure bulkhead. It also outlines the future development of dome-shaped rear pressure bulkhead.
Journal
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: Sep 6, 2021
Keywords: Rear pressure bulkhead; Catia model; Dome shape; Static analysis; Hyper-mesh