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Related Concept Videos

Modeling and Similitude01:12

Modeling and Similitude

Scaled modeling is a fundamental technique in engineering, enabling the study of large and complex systems by creating smaller, manageable replicas that recreate critical characteristics of the original. In hydrology and civil infrastructure, for example, scaled models of dams help analyze water flow, turbulence, and pressure. This method allows for accurate predictions of real-world behavior within a controlled environment, significantly reducing the cost and time involved in full-scale...
Virtual Work for a System of Connected Rigid Bodies01:06

Virtual Work for a System of Connected Rigid Bodies

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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Clearance Models: Compartment Models01:25

Clearance Models: Compartment Models

Clearance measures drug elimination from the central compartment, including plasma and highly perfused organs like kidneys and liver. Its calculation varies depending on pharmacokinetic models and administration routes. The one-compartment model, for instance, portrays the pharmacokinetics of polar drugs such as aminoglycoside antibiotics administered intravenously and readily excreted in urine. In this case, clearance is influenced by the terminal rate constant (λz) and the total volume of...
Clearance Models: Physiological Models01:09

Clearance Models: Physiological Models

Drug clearance is a critical pharmacokinetic process involving the irreversible removal of drugs from the body through various organs over a specified time period. Physiological models are indispensable in determining organ-specific clearance, defined by the proportion of the drug eliminated per unit of time from the organ's blood volume.
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Steps in the Modeling Process01:14

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Albert Bandura's theory of observational learning identifies four critical processes: attention, retention, motor reproduction, and reinforcement or motivation.
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Related Experiment Video

Updated: Jun 19, 2026

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior
06:38

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior

Published on: June 9, 2020

Modeling groups of plausible virtual pedestrians.

Christopher Peters1, Cathy Ennis

  • 1Trinity College Dublin. christopher.peters@coventry.ac.uk

IEEE Computer Graphics and Applications
|October 6, 2009
PubMed
Summary

This study introduces a new method for creating realistic crowd animations using video data. The focus is on making crowds look visually plausible to viewers, not just accurate in simulation.

Area of Science:

  • Computer graphics
  • Human-computer interaction
  • Computer vision

Background:

  • Modeling dynamic crowd behavior is complex.
  • Current crowd simulations often lack visual realism.
  • Perception-based evaluation is crucial for visual plausibility.

Purpose of the Study:

  • To propose a novel methodology for dynamic crowd scenario modeling.
  • To enhance the visual plausibility of crowd animations.
  • To demonstrate the practical application of the methodology.

Main Methods:

  • Utilizing a video corpus to inform the crowd modeling process.
  • Employing perception-based evaluation for animation assessment.
  • Developing a real-life crowd animation system for demonstration.

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Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

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Virtual Reality Experiments with Physiological Measures

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Last Updated: Jun 19, 2026

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior
06:38

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior

Published on: June 9, 2020

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior
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Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

Published on: April 13, 2016

Virtual Reality Experiments with Physiological Measures
07:09

Virtual Reality Experiments with Physiological Measures

Published on: August 29, 2018

Main Results:

  • The proposed methodology effectively improves the visual plausibility of crowd animations.
  • Perception-based evaluation provides valuable insights for refining animation models.
  • The developed system showcases the practical applicability of the approach.

Conclusions:

  • The methodology offers a promising direction for creating more believable crowd simulations.
  • Integrating perception-based evaluation is key to achieving visually plausible crowd animations.
  • The research contributes to advancements in realistic crowd modeling for various applications.