Analyzing engineering simulations in a virtual environment

Schulz, Martin; Reuding, T.; Ertl, T.

doi:10.1109/38.734979

Cited by 31 publications

(5 citation statements)

References 13 publications

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“…The aim of this study was to assess the changes in visual-motor integration of children with intellectual disabilities following a combined VR and computer-based cognitive therapy. Visual-motor integration skills are dependent on intact visual-perception, sustained attention, fine motor coordination, and motor inhibition [ 32 ]. In this study, the evaluation of visual motor integration was divided into two types of assessment.…”

Section: Discussionmentioning

confidence: 99%

Combined Effects of Virtual Reality and Computer Game-Based Cognitive Therapy on the Development of Visual-Motor Integration in Children with Intellectual Disabilities: A Pilot Study

Ahn

2021

Occupational Therapy International

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Purpose. Visual-motor integration is a good indicator of a child’s overall developmental and functional level. This study investigated the combined effects of virtual reality (VR) and computer game-based cognitive therapy on the development of visual-motor integration in children with intellectual disabilities. Methods. The study used a single-group pre-post study design and 13 children with intellectual disabilities who were recruited from a community rehabilitation center participated in the study. We used the Wii VR video game and the CoTras computer game to deliver cognitive therapy over 12 sessions. The Bruininks-Oseretsky Test of Motor Proficiency-2 (BOT-2) was used to evaluate motor function related to visual-motor integration to identify changes in function, and the Developmental Test of Visual Perception-2 (DTVP-2) was used to assess changes in visual perception function associated with visual-motor integration. Results. The VR and computer game-based cognitive therapy has shown significant difference in total standard score of BOT-2 associated with visual-motor integration representing improved motor function ( p < 0.01 ). Comparison of the DTVP-2 scores showed the significant difference in visual-motor integration of spatial relation and visual-motor speed ( p < 0.05 ), motor-reduced visual perception ( p < 0.01 ), and general visual perception ( p < 0.01 ). Conclusions. Results of this study provide useful evidence supporting the possibility of combined VR and computer game-based cognitive therapy for children with intellectual disabilities.

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Section: Discussionmentioning

confidence: 99%

Combined Effects of Virtual Reality and Computer Game-Based Cognitive Therapy on the Development of Visual-Motor Integration in Children with Intellectual Disabilities: A Pilot Study

Ahn

2021

Occupational Therapy International

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“…Research efforts have also been focused on studying the change of the products under specific operating conditions. Schulz et al (1998) simulated the sheet metal forming process to predict the distribution of residual stress and thickness distribution of a stamping product. Bowyer et al (1996) developed a desktop VP system for milling operations, while Bickel (1998) developed a virtual welding cell for die re-forging.…”

Section: Virtual Prototypingmentioning

confidence: 99%

A dexel‐based virtual prototyping system for product development

Choi

Chan

2002

Rapid Prototyping Journal

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This paper proposes a dexel-based virtual prototyping system, which builds a virtual prototype with dexels or rectangular strips of solid. The approach resembles the physical fabrication process of most powder-based rapid prototyping (RP) systems. It simulates an RP process to create a virtual prototype. Colour virtual prototypes may also be fabricated relatively easily. Thus, the designer can perform design validation and accuracy analysis easily in a virtual environment as if using a physical prototype. In addition to numeric quantification of the RP process, the system provides vivid visualisations of the prototype for studying its characteristics. Furthermore, the prototype may be superimposed on the product model, and the areas with dimensional errors beyond design limits may be clearly highlighted for subsequent improvement. The designer may thus analyse and compare the surface texture point-by-point of the prototype with the product design.

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“…Efforts on VR for manufacturing process simulation have been focused on visualization of the final product under specific operating conditions, which helps minimize trial-anderror cycles and the associated overheads. For example, Schulz and Rending [2] simulated sheet metal forming process to predict the distribution of residual stress and the thickness of a stamping product. And also VR is an emerging simulation technology that can be carried out on models instead of physical device or system, which provides a low-cost approach for large-scale teaching and training [3À5].…”

Section: Introductionmentioning

confidence: 99%

A VR‐based simulation system for glass pressing

Shi

Zhang

Shao

2008

Comp Applic In Engineering

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ABSTRACT:The integration with virtual reality is a new boost to CAD and CAE. This paper presents a research effort aimed at creating a desktop-based, low-cost and independent VR-based simulation system for glass pressing, which integrates the forming process simulation and mold motion simulation. The skeletal animation technique is employed for motion simulation of the mold. The stereoscopic view of the virtual system is achieved by CrystalEyes shutter glasses, with Cþþ language and OpenGL support library selected as the development tool. With the stereoscopic display of the mold design, pressing motion and numerical CAE results, the system enables engineers to gain a cohesive view of mold structure, assembly issues, and possible forming faults. It can also support training of students and engineers to acquire the theoretical know-how, practical skills, and the problem troubleshooting techniques of glass pressing. ß 2008 Wiley Periodicals, Inc. Comput Appl Eng

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Analyzing engineering simulations in a virtual environment

Cited by 31 publications

References 13 publications

Combined Effects of Virtual Reality and Computer Game-Based Cognitive Therapy on the Development of Visual-Motor Integration in Children with Intellectual Disabilities: A Pilot Study

Combined Effects of Virtual Reality and Computer Game-Based Cognitive Therapy on the Development of Visual-Motor Integration in Children with Intellectual Disabilities: A Pilot Study

A dexel‐based virtual prototyping system for product development

A VR‐based simulation system for glass pressing

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