A Program to Improve the Triangulated Surface Mesh Quality Along Aircraft Component Intersections
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Home > Reference > Research and information: general > Research methods: general > A Program to Improve the Triangulated Surface Mesh Quality Along Aircraft Component Intersections
A Program to Improve the Triangulated Surface Mesh Quality Along Aircraft Component Intersections

A Program to Improve the Triangulated Surface Mesh Quality Along Aircraft Component Intersections


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About the Book

A computer program has been developed for improving the quality of unstructured triangulated surface meshes in the vicinity of component intersections. The method relies solely on point removal and edge swapping for improving the triangulations. It can be applied to any lifting surface component such as a wing, canard or horizontal tail component intersected with a fuselage, or it can be applied to a pylon that is intersected with a wing, fuselage or nacelle. The lifting surfaces or pylon are assumed to be aligned in the axial direction with closed trailing edges. The method currently maintains salient edges only at leading and trailing edges of the wing or pylon component. This method should work well for any shape of fuselage that is free of salient edges at the intersection. The method has been successfully demonstrated on a total of 125 different test cases that include both blunt and sharp wing leading edges. The code is targeted for use in the automated environment of numerical optimization where geometric perturbations to individual components can be critical to the aerodynamic performance of a vehicle. Histograms of triangle aspect ratios are reported to assess the quality of the triangles attached to the intersection curves before and after application of the program. Large improvements to the quality of the triangulations were obtained for the 125 test cases; the quality was sufficient for use with an automated tetrahedral mesh generation program that is used as part of an aerodynamic shape optimization method.Cliff, Susan E.Ames Research CenterAERODYNAMIC CONFIGURATIONS; TRIANGULATION; COMPUTER PROGRAMS; BODY-WING CONFIGURATIONS; CANARD CONFIGURATIONS; HORIZONTAL TAIL SURFACES; TRAILING EDGES; SHARP LEADING EDGES; NACELLES; SHAPE OPTIMIZATION; INTERSECTIONS; TETRAHEDRONS; PERTURBATION; FUSELAGES...


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Product Details
  • ISBN-13: 9781726157858
  • Publisher: Createspace Independent Publishing Platform
  • Publisher Imprint: Createspace Independent Publishing Platform
  • Height: 280 mm
  • No of Pages: 46
  • Spine Width: 3 mm
  • Width: 216 mm
  • ISBN-10: 1726157857
  • Publisher Date: 27 Aug 2018
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Weight: 132 gr


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A Program to Improve the Triangulated Surface Mesh Quality Along Aircraft Component Intersections
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