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Related Concept Videos

Virtual Work01:20

Virtual Work

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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.
In static equilibrium, a body can experience an imaginary or virtual movement, such as displacement or rotation. The virtual work done by a force is equal to the dot product of force and virtual displacement in the direction of the force. When it comes to virtually rotating a...
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Principle of Virtual Work: Problem Solving01:13

Principle of Virtual Work: Problem Solving

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The principle of virtual work is an essential concept in the field of mechanics and engineering. This is used to solve problems related to the equilibrium of a structure or system. It is based on the assumption that if a system is in equilibrium, the work done by all the forces during a virtual displacement is zero. This principle is applied by considering virtual displacements of the system and the corresponding work done by internal and external forces.
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Gene-Environment Interactions01:20

Gene-Environment Interactions

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Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
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Sustainable Development01:43

Sustainable Development

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As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
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Virtual Work for a System of Connected Rigid Bodies01:06

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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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Background and Environment Affect Phenotype02:27

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Although the genetic makeup of an organism plays a major role in determining the phenotype, there are also several environmental factors, such as temperature, oxygen availability, presence of mutagens, that can alter an organism’s phenotype.
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Two-photon Calcium Imaging in Mice Navigating a Virtual Reality Environment
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Developing a Virtual Reality Environment for Mining Research.

Jennica L Bellanca1, Timothy J Orr1, William J Helfrich1

  • 1Pittsburgh Mining Research Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, 626 Cochrans Mill Road, Pittsburgh, PA 15236, USA.

Mining, Metallurgy & Exploration
|March 26, 2019
PubMed
Summary
This summary is machine-generated.

Researchers developed VR Mine, a virtual reality framework for creating underground mines. This tool aids in data collection, simulation, visualization, and training for mine safety scenarios.

Keywords:
Human factorsMiningResearch designVirtual reality

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Area of Science:

  • Virtual Reality (VR) applications in occupational safety.
  • Computational modeling and simulation for hazardous environments.

Background:

  • Virtual reality (VR) technology is increasingly accessible due to advances in computing and display technologies.
  • Existing VR products often have limited scope for specialized applications like mine safety.

Purpose of the Study:

  • To introduce VR Mine, a novel VR framework developed by the National Institute for Occupational Safety and Health (NIOSH).
  • To enable rapid creation of underground mine environments for research and training.
  • To demonstrate the utility of VR Mine using self-escape and proximity detection case studies.

Main Methods:

  • Development of a VR framework (VR Mine) for generating dynamic, high-fidelity underground mine simulations.
  • Implementation of features such as mine generation, simulated networks, and proximity detection systems.
  • Integration and visualization of real-time ventilation models within the VR environment.

Main Results:

  • VR Mine facilitates the creation of diverse underground mine scenarios for human data collection and simulation.
  • The framework supports the testing of safety protocols, such as self-escape and proximity detection systems.
  • Real-time ventilation models can be integrated and visualized, enhancing training realism.

Conclusions:

  • VR Mine offers a versatile platform for advancing research, simulation, and training in underground mining safety.
  • The framework addresses the limitations of existing VR products by providing a specialized and adaptable solution.
  • VR Mine has the potential to improve safety outcomes through enhanced visualization and training capabilities.