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FLOW SEPARATION BEHIND THE ANTENNA WAS GAUGED QUALITATIVELY USING NUMERICAL AERODYNAMIC SIMULATION VIA CARTESIAN GRID TECHNIQUES.

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A CARTESIAN GRID MAPS THE AIR FLOW ALONG THE FUSELAGE SYMMETRY PLANE USING SOFTWARE DEVELOPED BY THE GEORGIA INSTITUTE OF TECHNOLOGY.
IMAGES GENERATED FOR ELLIPSE DIRECT BY ERIC LYNCH OF GEORGIA TECH.

MORE INFORMATION
NASCART-GT is a solution adaptive, Cartesian grid-based flow solver. NASCART-GT first generates an orthogonal, Cartesian grid around complex single or multiple geometries. Several geometry input formats are available, including simple x,y,z coordinates of surface nodes, CatiaTMV5 files, or PLOT3DTM surface files. Structured-grid based computational fluid dynamics (CFD) programs often require significant person-hours, substantial human interaction and expertise for grid generation. NASCART-GT’s automated grid generation and flow solver minimizes these issues while conducting high-fidelity flow analysis.

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FIGURE 1 SHOWS THE COMPLETE INPUT GEOMETRY. FIGURE 2 SHOWS A CLOSE-UP OF THE ANTENNA AND STRUTS.

WATCH A BRIEF ANIMATION OF AIR FLOW OVER THE FUSELAGE.