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Beyond the faster-is-slower effect.

I M Sticco1, F E Cornes1, G A Frank2

  • 1Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón I, Ciudad Universitaria, 1428 Buenos Aires, Argentina.

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Summary
This summary is machine-generated.

In emergencies, increased crowd pressure can surprisingly speed up evacuations by altering pedestrian cluster dynamics. This research explores how high-pressure situations move beyond the "faster-is-slower" effect for improved safety outcomes.

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Area of Science:

  • Physics
  • Social Sciences
  • Crowd Dynamics

Background:

  • The
  • faster-is-slower
  • effect describes how increased crowd density can paradoxically slow down emergency evacuations.
  • This phenomenon is often caused by small pedestrian clusters temporarily blocking exits.
  • Rising anxiety and larger crowd sizes intensify pressure on these blocking groups.

Purpose of the Study:

  • To investigate how extreme pressure affects pedestrian dynamics during evacuations.
  • To explore phenomena beyond the established
  • faster-is-slower
  • effect.
  • To determine if higher pressures can improve overall evacuation performance.

Main Methods:

  • Simulations of crowd behavior under varying pressure conditions.
  • Analysis of pedestrian cluster dynamics and their impact on exit flow.
  • Statistical examination of evacuation times and delays.

Main Results:

  • Very high pressures significantly alter the dynamics within blocking pedestrian clusters.
  • Increased pressure can lead to a reduction in long-lasting delays during evacuation.
  • Overall evacuation performance shows improvement under these high-pressure conditions, moving beyond the
  • faster-is-slower
  • regime.

Conclusions:

  • The study demonstrates that extreme crowd pressure can overcome the
  • faster-is-slower
  • effect.
  • Altered cluster dynamics under high pressure can enhance evacuation efficiency.
  • Findings suggest new strategies for emergency crowd management and exit design.