Abstract
The study aims to explore the usefulness of existing VR 3D modelling tools for use in mechanical engineering. Previous studies have investigated the use of VR 3D modelling tools in conceptual phases of the product development process. Our objective was to find out if VR tools are useful in creating advanced freeform CAD models that are part of the embodiment design phase in the context of mechanical design science. Two studies were conducted. In the preliminary study, the group of participants modelled a 3D part in a standard desktop CAD application, which provided information about the key characteristics that must be satisfied to obtain a solid model from a surface model. In the research study conducted with a focus group of participants, who were firstly trained in the use of VR, the same part was modelled using a VR headset. The results were analysed and the fulfilment of key characteristics in the use of VR was evaluated. It was found that using VR tools provides a fast way to create complex part geometries, however, it has certain drawbacks. Finally, the ease of use and specific features of the VR technology were discussed.
Highlights
Engineering Design Applications.Virtual reality (VR) is a mature technology, which has established itself as an important tool in many engineering applications, such as design review, inspection, and worker training
To further explore the main research question, different parameters were considered including the possibility of converting a virtual reality (VR)-created model into a sold computer-aided design (CAD) model and the usability of VR modelling tools in terms of speed, intuitiveness of the tools and the modelling process, as well as the output model quality
The research objective of this work was to investigate whether VR 3D modelling can be used after the conceptual design phase to bridge the gap between the concept and product’s final form in the engineering product development process
Summary
Engineering Design Applications.Virtual reality (VR) is a mature technology, which has established itself as an important tool in many engineering applications, such as design review, inspection, and worker training. Previous design phase studies expressed doubt that VR tools can be used for mechanical design and engineering work as they lack the required accuracy and the capability to transfer the model into later stages of product development [3]. AR is better used in cases where more interaction is required between the users, when the real-world background is important and where the environment or the tasks are not suitable for using headset equipment. For such reasons, in the mechanical engineering domain, AR is e.g., widely used as assistance for maintenance, inspection [6,7], collaborative design [8] and assembly [9]. They listed different use cases where VR technology was used in practice: visibility/viewability [12,13], ergonomics/reachability [14], packaging, aesthetic quality/craftsmanship (visual inspection), storytelling, abstract data visualization (e.g., airflow simulations) and for communication across disciplines
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