212 - A Glossary For Evacuation With Enrico Ronchi And Ezel Üsten Fire Science Show podcast

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212 - A glossary for evacuation with Enrico Ronchi and Ezel Üsten

5d ago 1:05:13

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When experts from different disciplines attempt to collaborate on complex problems, such as evacuation modelling, we often discover that we're not speaking the same language. Even seemingly simple terms like "density," "velocity," and "distance" carry dramatically different meanings across physics, psychology, engineering, and computer science.
In this episode, we present the "Glossary for Research on Human Crowd Dynamics," a remarkable community effort that brought together over 60 researchers to create a shared vocabulary for those studying human movement in crowds. In this episode, I speak with two key contributors to this project: Professor Enrico Ronchi from Lund University, who helped organise the original workshop that spawned the first edition, and Ezel Üsten from Jülich Forschungszentrum, the corresponding author of the newly released second edition.
They reveal the fascinating process behind creating consensus among diverse scientific perspectives – from the intensive week-long workshop at the Lorentz Centre where the first edition was born, to the year-long online collaboration that produced the expanded second edition. We explore how the glossary handles controversial terms like "panic" (often misused in media and research alike), unpack the nuances of seemingly straightforward concepts like "fundamental diagrams," and discuss why the absence of citations was a deliberate choice to prevent territorial disputes.
What emerges is not just a practical resource for evacuation research but a blueprint for how scientific communities can build collective understanding across disciplinary boundaries. As we face increasingly complex challenges in fire safety engineering, this kind of "community wisdom" becomes invaluable. Whether you're a researcher, practitioner, or simply curious about how experts bridge communication gaps, this conversation offers rich insights into the power of shared language in advancing our understanding of human behaviour during emergencies.

And here is the link to the glossary: https://collective-dynamics.eu/index.php/cod/article/view/A189

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Chapters

1. Introduction to Glossary for Crowd Dynamics (00:00:00)

2. Origins of the Research Glossary (00:03:28)

3. From First to Second Edition (00:10:40)

4. Creating Consensus Across Disciplines (00:19:19)

5. Key Terms: Fundamental Diagrams (00:35:00)

6. Defining Density and Distance (00:42:02)

7. Controversial Terms: Panic and Behavior (00:49:15)

8. Value of Shared Understanding (00:56:05)

9. Closing Thoughts on Community Projects (01:01:25)

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