Advances in Crash Simulations: Modeling, Analysis, and Applications

A special issue of Computation (ISSN 2079-3197). This special issue belongs to the section "Computational Engineering".

Deadline for manuscript submissions: 30 November 2024 | Viewed by 1049

Special Issue Editors


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Guest Editor
Grup d’Enginyeria en Producte Industrial (GEPI), Institut Químic de Sarrià, Universitat Ramon Llull, Via Augusta 390, 08017 Barcelona, Spain
Interests: CAD-CAE-CAM and test for crash-impact; material behaviour modelisation; 3D print

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Guest Editor
Faculty of Science and Technology, University of Stavanger, N-4036 Stavanger, Norway
Interests: additive manufacturing; computational methods in engineering; design optimization; finite element analysis; simulation-driven optimization; performance of energy converters; renewable energy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Crash simulations are requested to reduce the cost and development time of energy absorption solutions. The increasing number of legislations for different countries requires the use of robust simulations. In automotive industry many components are subjected to requirements for impacts with low energy such as pedestrian impacts and high energy such as frontal offset crash. In automotive industry passive safety requires the development of restraint systems with reduced simulations such sled tests. Also airbag models and many complex materials require specific models. With this special issue we want to concentrate in explicit methods that can convert kinetic energy into plastic deformation considering new materials, rupture of spotwelds, friction and many parameters that might affect the crash outcome. Specific topics that might be of interest for this special issue:

  • Impact in batteries.
  • Impact calibration for dummies, free form heads.
  • Material model calibration for different strain rates.
  • Mass scaling discussion for stable time step.
  • Stochastic simulations for impacts considering the bounds within legislation.
  • Legislation fulfilment.
  • Calibration of reduced tests.
  • Use of new materials for energy absorption.
  • Machine learning for crash management simulation.
  • CAD software, meshing software, solving and postprocessing.
  • Number of nodes and elements, quality criteria for mesh.
  • Boundary conditions.
  • Time step used.
  • Total simulated time.
  • CPU used to solve and time required.
  • Objectives in postprocessing related to legislation.

Dr. Andrés Amador Garcia-Granada
Prof. Dr. Hirpa G. Lemu
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • explicit crash
  • mass scaling
  • injury criteria
  • airbags
  • sled test
  • dummy
  • EuroNCAP
  • material models
  • shell theory
  • fracture
  • weld points
  • battery impact
  • energy

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Published Papers (1 paper)

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Research

20 pages, 7674 KiB  
Article
Numerical Modeling and Simulation of Vehicular Crashes into Three-Bar Metal Bridge Rail
by Howie Fang, Christopher Jaus, Qian Wang, Emre Palta, Lukasz Pachocki and Dawid Bruski
Computation 2024, 12(8), 165; https://doi.org/10.3390/computation12080165 - 17 Aug 2024
Viewed by 635
Abstract
Advanced finite element (FE) modeling and simulations were performed on vehicular crashes into a three-bar metal bridge rail (TMBR). The FE models of a sedan, a pickup truck, and a TMBR section were adopted in the crash simulations subject to Manual for Assessing [...] Read more.
Advanced finite element (FE) modeling and simulations were performed on vehicular crashes into a three-bar metal bridge rail (TMBR). The FE models of a sedan, a pickup truck, and a TMBR section were adopted in the crash simulations subject to Manual for Assessing Safety Hardware (MASH) Test Level 2 (TL-2) and Test Level 3 (TL-3) requirements. The test vehicle models were first validated using full-scale physical crash tests conducted on a two-bar metal bridge using a sedan and a pickup truck with similar overall physical properties and sizes to their respective vehicles used in the simulations. The validated vehicular models were then used to evaluate the crash performance of the TMBR using MASH evaluation criteria for structural adequacy, occupant risk, and post-impact trajectory. The TMBR met all MASH TL-2 requirements but failed to meet the MASH TL-3 Criteria H and N requirements when impacted by the sedan. The TMBR was also evaluated under in-service conditions (behind a 1.52 m wide sidewalk) and impacted by the sedan under MASH TL-3 conditions. The simulation results showed that the TMBR behind a sidewalk met all safety requirements except for the occupant impact velocity in the longitudinal direction, which exceeded the MASH limit by 3.93%. Full article
(This article belongs to the Special Issue Advances in Crash Simulations: Modeling, Analysis, and Applications)
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