Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Typical Model Studies01:30

Typical Model Studies

344
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
344

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Hsa_circ_0077658 serves as a potential diagnostic biomarker for severe pneumonia in children and alleviates lipopolysaccharide-induced damage to bronchial epithelial cells by modulating the miR-15a-5p/NF1 axis.

BMC immunology·2026
Same author

Identifying risk factors for adverse drug reactions in HIV/AIDS patients using LASSO regression modeling.

BMC infectious diseases·2026
Same author

MultiGSA: wind power prediction based on a multi-scale cross-graph network combined with an enhanced simple attention mechanism.

Scientific reports·2026
Same author

Disease severity modifies the ceftazidime-avibactam exposure-response relationship in critically ill patients: a retrospective study.

Frontiers in pharmacology·2026
Same author

Long non-coding RNA IL6-AS1 promotes severe community-acquired pneumonia in children through the miR-149-5p/MAPK6 axis.

BMC pediatrics·2026
Same author

BN-Embedded Dibenzoullazine: Synthesis, Structures, and Properties.

Organic letters·2026
Same journal

Analysis of strength degradation of coal and rock masses and stability of mined areas under long term immersion environment.

PloS one·2026
Same journal

Biogenic Silver-Selenium nanocomposite with anticancer activity and potent efficacy against vancomycin-resistant Staphylococcus aureus.

PloS one·2026
Same journal

Preparation and physicochemical characterization of a biodegradable chitosan/carboxymethyl cellulose hydrogel synthesized in NaOH/urea medium.

PloS one·2026
Same journal

Action-guilt, survivor-guilt, and depression in combat-related PTSD.

PloS one·2026
Same journal

Explainable machine learning for predicting activities of daily living at discharge in stroke patients: A retrospective study using SHAP interpretability.

PloS one·2026
Same journal

Deep learning based two-way feature depiction model for brain tumor detection.

PloS one·2026
See all related articles

Related Experiment Video

Updated: Jun 11, 2025

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior
10:52

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

Published on: April 13, 2016

8.7K

A bidirectional pedestrian macroscopic speed model construction based on pedestrian microscopic simulation

Xiaocheng Gao1, Hui Zhang1, Hui Qi1

  • 1Department of Rail Transit, Hebei Jiaotong Vocational and Technical College, Shijiazhuang, Hebei, China.

Plos One
|October 7, 2024
PubMed
Summary
This summary is machine-generated.

Microscopic pedestrian flow simulations offer a new way to model bidirectional pedestrian speeds. This study developed a piecewise speed model, finding simulations can guide future experiments but not fully replace them.

More Related Videos

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

4.8K
Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
14:55

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

3.2K

Related Experiment Videos

Last Updated: Jun 11, 2025

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior
10:52

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

Published on: April 13, 2016

8.7K
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

4.8K
Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
14:55

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

3.2K

Area of Science:

  • Urban Planning
  • Transportation Engineering
  • Computational Social Science

Background:

  • Macroscopic speed modeling of bidirectional pedestrian cross-flows often relies on scenario experiments, which can be difficult to organize and may not reflect normal walking conditions.
  • Existing methods face limitations due to data deficiencies and potential artificiality in experimental settings.

Purpose of the Study:

  • To explore the feasibility of using microscopic pedestrian flow simulations for macroscopic speed modeling.
  • To develop and validate a new speed model for bidirectional pedestrian flows considering crossing angles and flow rates.

Main Methods:

  • Designed bidirectional pedestrian cross-flow simulations using the GIS agent-based modeling architecture (GAMA) platform.
  • Employed an orthogonal experimental design with varying crossing angles (15-165 degrees) and flow rates (1-8 ped/s).
  • Analyzed flow data in the crossing area to understand pedestrian speed dynamics.

Main Results:

  • Pedestrian speed is density-dependent: free flow below a threshold, then decreasing with density.
  • The influence of the opposing flow (Peds2) density on the primary flow (Peds1) speed was not clearly determined.
  • A piecewise function (linear and exponential components) was developed to model Peds1 speed, outperforming non-piecewise models.

Conclusions:

  • Microscopic simulations provide valuable insights and can guide the refinement of experimental designs for pedestrian flow studies.
  • While simulations cannot entirely replace real-world experiments, they offer a feasible direction for constructing speed relationships in bidirectional pedestrian flows.
  • The developed piecewise speed model shows promise for improving the understanding of pedestrian dynamics in complex crossing scenarios.