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March 25, 2026Open Access

Vehicle–Bridge Interaction Dynamics: A Coupled Finite Element and Multibody Approach

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Authors

AAAduot Madit Anhiem

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Overview

A coupled method analyzes vehicle–bridge interaction dynamics, suggesting vital insights for bridge design and maintenance.

Key Points

  • The aim is to analyze the complex dynamics between vehicles and bridge structures using a coupled FEM and MBS framework.
  • Developed a coupled finite element and multibody system framework for vehicle–bridge dynamics.
  • Modelled bridges using Euler–Bernoulli beam elements and vehicles as multi-degree-of-freedom systems.
  • Generated road surface roughness using ISO 8608 power spectral density function.
  • Integrated equations of motion using the Newmark-β time-stepping algorithm.
  • Conducted a global sensitivity analysis using Sobol indices.
  • Dynamic amplification factor increases nonlinearly with vehicle speed and roughness, up to 1.68 for Class C surfaces at 140 km/h.
  • Identified vehicle speed and axle load as key parameters affecting bridge response.
  • Evaluation of mid-span deflection and internal stress responses across varying vehicle speeds and loads.

Cite This Study

Aduot Madit Anhiem (2026) studied this question.

synapsesocial.com/papers/69c37b54b34aaaeb1a67da7ehttps://doi.org/10.5281/zenodo.19185170
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