NDLI: Multiphase Flows Rendered in Virtual Reality

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Sherman, William Loth, Eric
Copyright Year	2003
Abstract	A virtual reality (VR) technique has been developed to allow user immersion (stereo-graphic rendering, user tracking, and object interactivity) in generic unsteady three-dimensional multi-phase flow data sets. This article describes the structure and logic used to design and construct a VR technique that employs a multi-phase flow-field computed a priori as an input (i.e. simulations are conducted beforehand with a researcher’s multi-phase CFD code). The input field for this flow visualization is divided into two parts: the Eulerian three-dimensional grid nodes and velocities for the continuous fluid properties (specified using conventional TECLOT data format) and the Lagrangian time-history trajectory files for the dispersed fluid. While tracking the dispersed phase trajectories as animated spheres of adjustable size and number, the continuous-phase flow can be simultaneously rendered with velocity vectors, iso-contour surfaces and planar flood-contour maps of different variables. The geometric and notional view of the combined visualization of both phases is interactively controlled throughout a user session. The resulting technique is demonstrated with a 3-D unsteady data set of Lagrangian particles dispersing in an Eulerian description of a turbulent boundary layer, stemming from a Direct Numerical Simulation of the Navier-Stokes equations.
Sponsorship	Fluids Engineering Division
Starting Page	1639
Ending Page	1647
Page Count	9
File Format	PDF
ISBN	0791836975
DOI	10.1115/FEDSM2003-45200
e-ISBN	0791836738
Volume Number	Volume 2: Symposia, Parts A, B, and C
Conference Proceedings	ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference
Language	English
Publisher Date	2003-07-06
Publisher Place	Honolulu, Hawaii, USA
Access Restriction	Subscribed
Subject Keyword	Visualization Navier-stokes equations Multiphase flow Computational fluid dynamics Computer simulation Floods Flow (dynamics) Design Fluids Simulation Rendering Particulate matter Virtual reality Flow visualization Trajectories (physics) Engineering simulation Boundary layer turbulence
Content Type	Text
Resource Type	Article

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