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Research Publications

VizCraft: A Problem-Solving Environment for Aircraft Configuration Design
IEEE Computing in Science & Engineering, Vol. 3(1): pages 56-66, January/February 2001
VizCraft is a problem-solving environment that aids aircraft designers during the conceptual design of a high-speed civil transport (HSCT). It integrates simulation codes that evaluate a design with visualizations for analyzing a design individually or in contrast to other designs. VizCraft provides a graphical user interface to a widely used suite of simulation and analysis codes for HSCT design, and it provides tools for visualizing the outputs of these codes. In other words, VizCraft provides an environment that combines visualization and computation, encouraging the designer to think in terms of the overall problem-solving task, not simply using the visualization to view the computation's results.

WBCSim: A Prototype PSE for Wood-Based Composites Simulations
Enabling Technologies for Computational Science, Kluwer Academic Publishers, Norwell, MA, pages 187-196, January 2000
In this chapter, we describe a computing environment named WBCSim that is intended to increase the productivity of wood scientists conducting research on wood-based composite materials. WBCSim integrates Fortran 77-based simulation codes with a graphical front end, an optimization tool, and a visualization tool. WBCSim serves as a prototype for the design, construction, and evaluation of larger scale problem solving (computing) environments. Several different wood-based composite material simulations are supported. A detailed description of the prototype's software architecture and a typical scenario of use are presented. The system converts output from the simulations to the Virtual Reality Modeling Language (VRML) for visualizing simulation results.

VizCraft: A Multidimensional Visualization Tool for Aircraft Configuration Design
Proceedings of IEEE Visualization '99, San Francisco, CA, pages 425-428,555, October 1999
In this paper, we describe a visualization tool to aid aircraft designers during the conceptual design stage. The conceptual design for an aircraft is defined by a vector of 10-30 parameters. The goal is to find a vector that minimizes an objective function while meeting a series of constraints. VizCraft integrates the simulation code that evaluates the design with visualizations for analyzing the design individually or in contrast to other designs. VizCraft allows the designer to easily switch between the view of a design in the form of a parameter set, and a visualization of the corresponding aircraft. The user can easily see which, if any, constraints are violated. VizCraft also allows the user to view a database of designs using parallel coordinates.

VizCraft: A Multidimensional Visualization Tool for Aircraft Configuration Design
Technical Report oai:ncstrlh:vatech_cs:ncstrl.vatech_cs/TR-99-02, Department of Computer Science, Virginia Tech, VA, September 1999
We describe a problem solving environment (PSE) named VizCraft that aids aircraft designers during the conceptual design stage. At this stage, an aircraft design is defined by a vector of 10-30 parameters. The goal is to find a vector that minimizes a performance-based objective function while meeting a series of constraints. VizCraft integrates the simulation code that evaluates a design with visualization for analyzing a design individually or in contrast to other designs. VizCraft allows the designer to easily switch between the view of a design in the form of a parameter set, and a visualization of the corresponding aircraft geometry. The user can easily see which, if any, constraints are violated. VizCraft also allows the user to view a database of designs using parallel coordinates.

WBCSim: A Prototype Problem Solving Environment for Wood-Based Composites Simulations
Engineering with Computers, Springer-Verlag London Limited, Vol. 15(2): pages 198-210, August 1999
This paper describes a computing environment named WBCSim that is intended to increase the productivity of wood scientists conducting research on wood-based composite materials. WBCSim integrates Fortran 77-based simulation codes with a graphical front end, an optimization tool, and a visualization tool. WBCSim serves as a prototype for the design, construction, and evaluation of larger scale problem solving (computing) environments. Several different wood-based composite material simulations are supported. A detailed description of the prototype's software architecture and a typical scenario of use are presented. The system converts output from the simulations to the Virtual Reality Modeling Language (VRML) for visualizing simulation results.

Visualization in Problem Solving Environments [HTML]
Digital Library and Archives, ETD etd-061899-113642, Virginia Tech, VA, June 1999
This thesis describes two problem solving environments that integrate visualization and computational tools into a high level user interface. The objective of a problem solving environment is to provide scientists with a complete, usable, and integrated set of high level facilities for solving problems in a specific domain. Integrating visualization tools with computation tools encourages scientists to think in terms of the overall task of solving a problem, not simply using the visualization to view the results of the computation. This increases their productivity by allowing them to focus on the problem at hand rather than on general computation issues.

VizCraft: A Problem Solving Environment for Configuration Design of a High Speed Civil Transport
Multidisciplinary Analysis and Design Center for Advanced Vehicles Center Report 99-06-01, Virginia Tech, VA, June 1999
In this paper, we describe a visualization tool to aid aircraft designers during the conceptual design stage. The conceptual design for an aircraft is defined by a vector of 10-30 parameters. The goal is to find a vector that minimizes an objective function while meeting a series of constraints. VizCraft integrates the simulation code that evaluates the design with visualizations for analyzing the design individually or in contrast to other designs. VizCraft allows the designer to easily switch between the view of a design in the form of a parameter set, and a visualization of the corresponding aircraft. The user can easily see which, if any, constraints are violated. VizCraft also allows the user to view a database of designs using parallel coordinates.

WBCSim: A Prototype Problem Solving Environment for Wood-Based Composites Simulations
Technical Report ncstrl.vatech_cs/TR-98-25, Department of Computer Science, Virginia Tech, VA, December 1998
WBCSim is a computing environment that is intended to increase the productivity of wood scientists conducting research on wood-based composite materials. WBCSim integrates Fortran 77-based simulation codes with a graphical front end, an optimization tool, and a visualization tool. WBCSim serves as a prototype for the design, construction, and evaluation of larger scale problem solving (computing) environments. Several different wood-based composite material simulations are supported. A detailed description of the prototype's software architecture and a typical scenario of use are presented. The system converts output from the simulations to the Virtual Reality Modeling Language (VRML) for visualizing simulation results.


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