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Modeling crowd pushing behavior for ship pedestrians evacuation based on improved social force model.

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Title: Modeling crowd pushing behavior for ship pedestrians evacuation based on improved social force model.
Authors: Guo, Mingyang1 (AUTHOR) guomingyang_2209@hrbeu.edu.cn, Li, Xinwei1 (AUTHOR) lxw0423@hrbeu.edu.cn, Yuan, Lihao1 (AUTHOR) yuanlihao@163.com, Lv, Jia1 (AUTHOR), Zhang, Zhihui1 (AUTHOR)
Source: Physica A. Sep2026, Vol. 697, pN.PAG-N.PAG. 1p.
Subjects: Civilian evacuation, Simulation methods & models, Psychological distress, Safety, Human mechanics, Collective behavior
Abstract: The occurrence of crowd pushing significantly reduces evacuation efficiency and increases the risk of casualties. To quantify the impact of pushing behavior on the evacuation process, this paper develops a ship pedestrians evacuation model based on the Social Force Model. The improved social force model uses a Sigmoid function to describe how the panic coefficient influences the intensity of the pushing force. It also introduces the conditions of pedestrian spacing and movement direction to determine when pushing forces occur, allowing for dynamic evaluation of the pushing force during the evacuation process. The simulation results show that as the panic coefficient increases, evacuation time exhibits a nonlinear growth trend, with evacuation efficiency dropping sharply under high panic conditions; the greater the pushing force, the longer the evacuation time. A comparative analysis with typical tests from MSC.1/Circ.1533 guidelines and simulation results from the Pathfinder evacuation software shows that the model proposed in this study effectively simulates the pushing behavior between pedestrians in a panic state and can accurately assess the impact of panic on the evacuation process. The model can be used to evaluate the evacuation capacity of a ship's pedestrians in panic situations. [ABSTRACT FROM AUTHOR]
Copyright of Physica A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 194804074
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Modeling crowd pushing behavior for ship pedestrians evacuation based on improved social force model.
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  Data: <searchLink fieldCode="AR" term="%22Guo%2C+Mingyang%22">Guo, Mingyang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> guomingyang_2209@hrbeu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Xinwei%22">Li, Xinwei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> lxw0423@hrbeu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Yuan%2C+Lihao%22">Yuan, Lihao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yuanlihao@163.com</i><br /><searchLink fieldCode="AR" term="%22Lv%2C+Jia%22">Lv, Jia</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Zhihui%22">Zhang, Zhihui</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Physica+A%22">Physica A</searchLink>. Sep2026, Vol. 697, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Civilian+evacuation%22">Civilian evacuation</searchLink><br /><searchLink fieldCode="DE" term="%22Simulation+methods+%26+models%22">Simulation methods & models</searchLink><br /><searchLink fieldCode="DE" term="%22Psychological+distress%22">Psychological distress</searchLink><br /><searchLink fieldCode="DE" term="%22Safety%22">Safety</searchLink><br /><searchLink fieldCode="DE" term="%22Human+mechanics%22">Human mechanics</searchLink><br /><searchLink fieldCode="DE" term="%22Collective+behavior%22">Collective behavior</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The occurrence of crowd pushing significantly reduces evacuation efficiency and increases the risk of casualties. To quantify the impact of pushing behavior on the evacuation process, this paper develops a ship pedestrians evacuation model based on the Social Force Model. The improved social force model uses a Sigmoid function to describe how the panic coefficient influences the intensity of the pushing force. It also introduces the conditions of pedestrian spacing and movement direction to determine when pushing forces occur, allowing for dynamic evaluation of the pushing force during the evacuation process. The simulation results show that as the panic coefficient increases, evacuation time exhibits a nonlinear growth trend, with evacuation efficiency dropping sharply under high panic conditions; the greater the pushing force, the longer the evacuation time. A comparative analysis with typical tests from MSC.1/Circ.1533 guidelines and simulation results from the Pathfinder evacuation software shows that the model proposed in this study effectively simulates the pushing behavior between pedestrians in a panic state and can accurately assess the impact of panic on the evacuation process. The model can be used to evaluate the evacuation capacity of a ship's pedestrians in panic situations. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Physica A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.physa.2026.131727
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      – Code: eng
        Text: English
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        PageCount: 1
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      – SubjectFull: Civilian evacuation
        Type: general
      – SubjectFull: Simulation methods & models
        Type: general
      – SubjectFull: Psychological distress
        Type: general
      – SubjectFull: Safety
        Type: general
      – SubjectFull: Human mechanics
        Type: general
      – SubjectFull: Collective behavior
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      – TitleFull: Modeling crowd pushing behavior for ship pedestrians evacuation based on improved social force model.
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            NameFull: Guo, Mingyang
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            NameFull: Li, Xinwei
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            NameFull: Yuan, Lihao
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            – D: 01
              M: 09
              Text: Sep2026
              Type: published
              Y: 2026
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