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NASA Technical Repor - Optimization of Blended Wing Body Composite Pan - M555z
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- Buy It NowNASA Technical Repor - Optimization of Blended Wing Body Composite Pan - M555z
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Located in: GB, United Kingdom
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eBay item number:386937546908
Item specifics
- Condition
- Fiction/Non-Fiction
- Non-Fiction
- Genre/Subject
- POLITICAL SCIENCE / General
- Brand
- NA
- Weight
- 0.15
- Style
- NA
- Title
- Optimization of Blended Wing Body Composite Panels Using Both NAS
- Release Title
- Optimization of Blended Wing Body Composite Panels Using Both NAS
- Record Grading
- New
- Sleeve Grading
- New
- Platform
- NA
- Size
- NA
- Film/TV Title
- Optimization of Blended Wing Body Composite Panels Using Both NA
- Colour
- NA
- Material
- NA
- Department
- NA
- Number of Pages
- 76
- Binding Type
- Perfect
- Item Length
- 246.13
- Main Stone
- NA
- Connectivity
- NA
- Model
- NA
- ISBN
- 9781289147358
- Publication Year
- 2013
- Type
- Textbook
- Format
- Paperback
- Language
- English
- Publication Name
- Optimization of Blended Wing Body Composite Panels Using both Nastran and Genetic Algorithm
- Item Height
- 246mm
- Publisher
- Bibliogov
- Item Width
- 189mm
- Subject
- Government
- Item Weight
- 154g
About this product
Product Information
The blended wing body (BWB) is a concept that has been investigated for improving the performance of transport aircraft. A trade study was conducted by evaluating four regions from a BWB design characterized by three fuselage bays and a 400,000 lb. gross take-off weight (GTW). This report describes the structural optimization of these regions via computational analysis and compares them to the baseline designs of the same construction. The identified regions were simplified for use in the optimization. The regions were represented by flat panels having appropriate classical boundary conditions and uniform force resultants along the panel edges. Panel-edge tractions and internal pressure values applied during the study were those determined by nonlinear NASTRAN analyses. Only one load case was considered in the optimization analysis for each panel region. Optimization was accomplished using both NASTRAN solution 200 and Genetic Algorithm (GA), with constraints imposed on stress, buckling, and minimum thicknesses. The NASTRAN optimization analyses often resulted in infeasible solutions due to violation of the constraints, whereas the GA enforced satisfaction of the constraints and, therefore, always ensured a feasible solution. However, both optimization methods encountered difficulties when the number of design variables was increased. In general, the optimized panels weighed less than the comparable baseline panels.
Product Identifiers
Publisher
Bibliogov
ISBN-13
9781289147358
eBay Product ID (ePID)
212881791
Product Key Features
Publication Name
Optimization of Blended Wing Body Composite Panels Using both Nastran and Genetic Algorithm
Format
Paperback
Language
English
Subject
Government
Publication Year
2013
Type
Textbook
Dimensions
Item Height
246mm
Item Width
189mm
Item Weight
154g
Additional Product Features
Country/Region of Manufacture
United States
Item description from the seller
Business seller information
Value Added Tax number:
- GB 343612519
Seller assumes all responsibility for this listing.
eBay item number:386937546908
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