Effective viscoplastic-softening model suitable for brain impact modelling

B Dyniewicz, JM Bajkowski, CI Bajer - Materials, 2022 - mdpi.com
In this paper, we address the numerical aspects and implementation of a nonlinear
viscoplastic model of the mechanical behaviour of brain tissue to simulate the dynamic …

Vibrations of a Mindlin plate subjected to a pair of inertial loads moving in opposite directions

B Dyniewicz, D Pisarski, CI Bajer - Journal of Sound and Vibration, 2017 - Elsevier
A Mindlin plate subjected to a pair of inertial loads traveling at a constant high speed in
opposite directions along arbitrary trajectory, straight or curved, is presented. The masses …

Virtual functions of the space–time finite element method in moving mass problems

CI Bajer, B Dyniewicz - Computers & structures, 2009 - Elsevier
Classical time integration schemes fail in vibration analysis of complex problems with
moving concentrated parameters. Moving mass problems and moving support problems …

An extended 2D Gao beam model

B Dyniewicz, M Shillor, CI Bajer - Meccanica, 2024 - Springer
This work derives and simulates a two-dimensional extension of the nonlinear Gao beam, by
adding the cross-sectional shear variable, similarly to the extension of the usual Bernoulli …

[HTML][HTML] Velocity-based time-discontinuous Galerkin space-time finite element method for elastodynamics

V Sharma, K Fujisawa, A Murakami - Soils and Foundations, 2018 - Elsevier
A velocity-based single-field Space-Time Finite Element Method (v-ST/FEM) is devised
within the framework of the time-discontinuous Galerkin method for an elastodynamics …

Space–time finite element approach to general description of a moving inertial load

B Dyniewicz - Finite Elements in Analysis and Design, 2012 - Elsevier
The paper deals with the vibrations of structures subjected to a moving inertial load.
Classical description of the moving mass particle based on the Hermitian shape functions …

[HTML][HTML] Vibrations of a Gao beam subjected to a moving mass

B Dyniewicz, CI Bajer, KL Kuttler, M Shillor - Nonlinear Analysis: Real World …, 2019 - Elsevier
This paper models, analyzes and simulates the vibrations of a nonlinear Gao beam that is
subjected to a moving mass or a massless point-force. Such problems arise naturally in …

Space–time approach to numerical analysis of a string with a moving mass

CI Bajer, B Dyniewicz - International journal for numerical …, 2008 - Wiley Online Library
Inertial loading of strings, beams and plates by mass travelling with near‐critical velocity has
been a long debate. Typically, a moving mass is replaced by an equivalent force or an …

Numerical modelling of structure vibrations under inertial moving load

CI Bajer, B Dyniewicz - Archive of Applied Mechanics, 2009 - Springer
Inertial loading of structures by mass travelling with near-critical velocity has been
intensively debated. In the literature a moving mass is replaced by an equivalent force or an …

Lecture notes in applied and computational mechanics

IF Pfeiffer, IP Wriggers - Springer, 2008 - Springer
This book collects some papers dealing with actual Civil Engineering problems. The
approach is in the line of the Italian-French school and therefore deeply couples mechanics …