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Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is zero. This allows the calculation of the resulting forces when a system undergoes a virtual displacement. When attempting to analyze such a system, first, use a free-body diagram, where an independent coordinate represents the configuration of the links, and mark its deflected position resulting from the positive virtual displacement.
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The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces and couple moments for any given virtual displacement must be zero.
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Remote Teaching Advanced Rendering Topics Using the Rayground Platform.

Andreas A Vasilakis, G Papaioannou, N Vitsas

    IEEE Computer Graphics and Applications
    |September 10, 2021
    PubMed
    Summary
    This summary is machine-generated.

    Rayground is a new online tool for ray tracing algorithm development and demonstration. It supports remote teaching and online coursework with engaging, hands-on assignments and practical strategies for online education.

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    Area of Science:

    • Computer Graphics
    • Educational Technology

    Background:

    • The COVID-19 pandemic accelerated the need for effective online teaching tools.
    • Remote learning requires accessible and engaging platforms for complex technical subjects.

    Purpose of the Study:

    • Introduce Rayground, an online framework for ray tracing algorithm prototyping and demonstration.
    • Facilitate online education by integrating advanced rendering media and interactive assignments.

    Main Methods:

    • Developed Rayground as an accessible online platform for ray tracing.
    • Explored its application in remote teaching, including lectures and student assignments.
    • Documented best practices for platform development, remote pedagogy, and online assessment.

    Main Results:

    • Rayground enables rapid prototyping and interactive demonstrations of ray tracing.
    • The framework effectively supports engaging, hands-on learning experiences in online courses.
    • Provides guidance on porting methods, remote teaching strategies, and online assessment.

    Conclusions:

    • Rayground is a valuable tool for accessible online education in computer graphics.
    • It enhances student engagement and understanding of ray tracing concepts.
    • Offers practical solutions for the challenges of remote teaching and learning in technical fields.