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Image Space Based Visualization of Unsteady Flow on Surfaces

Published: 22 October 2003 Publication History

Abstract

We present a novel technique for direct visualization of unsteady flow on surfaces from computational fluid dynamics. The method generates dense representations of time-dependent vector fields with high spatio-temporal correlation using both Lagrangian-Eulerian Advection and Image Based Flow Visualization as its foundation. While the 3D vector fields are associated with arbitrary triangular surface meshes, the generation and advection of texture properties is confined to image space. Frame rates of up to 20 frames per second are realized by exploiting graphics card hardware. We apply this algorithm to unsteady flow on boundary surfaces of, large, complex meshes from computational fluid dynamics composed of more than 250,000 polygons, dynamic meshes with time-dependent geometry and topology, as well as medical data.

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  1. Image Space Based Visualization of Unsteady Flow on Surfaces

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      Published In

      cover image Guide Proceedings
      VIS '03: Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
      October 2003
      664 pages
      ISBN:0769520308

      Publisher

      IEEE Computer Society

      United States

      Publication History

      Published: 22 October 2003

      Author Tags

      1. Unsteady flow visualization
      2. computational fluid dynamics (CFD)
      3. surface representation
      4. texture mapping

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