Ultrasonic computed tomography based on full-waveform inversion for bone quantitative imaging

S Bernard, V Monteiller, D Komatitsch… - Physics in Medicine & …, 2017 - iopscience.iop.org
We introduce an ultrasonic quantitative imaging method for long bones based on full-
waveform inversion. The cost function is defined as the difference in the L 2-norm sense …

An efficient and robust staggered algorithm applied to the quasi-static description of brittle fracture by a phase-field approach

Y Lu, T Helfer, B Bary, O Fandeur - Computer methods in applied …, 2020 - Elsevier
The phase field method has been widely adopted in brittle fracture analysis for its ability to
handle complex crack topology. This paper presents a novel efficient and robust phase field …

A model/solution‐adaptive explicit‐implicit time‐marching technique for wave propagation analysis

D Soares Jr - International Journal for Numerical Methods in …, 2019 - Wiley Online Library
In this work, an explicit‐implicit time‐marching procedure with model/solution‐adaptive time
integration parameters is proposed for the analysis of hyperbolic models. The two time …

Partitioned formulation of contact‐impact problems with stabilized contact constraints and reciprocal mass matrices

JA González, J Kopačka, R Kolman… - International Journal for …, 2021 - Wiley Online Library
This work presents an efficient and accuracy‐improved time explicit solution methodology
for the simulation of contact‐impact problems with finite elements. The proposed solution …

The Evaluation of Explicit Parameters on Eulerian-Lagrangian Simulation of Wave Impact on Coastal Bridges

A Majlesi, A Shahriar, R Nasouri, A Montoya, A Du… - Coastal …, 2024 - Elsevier
Simply supported bridges along the United States Gulf Coast are highly vulnerable to
extreme wave conditions and water elevations. A better understanding of the loading …

Simulation of nonlinear transient elastography: finite element model for the propagation of shear waves in homogeneous soft tissues

W Ye, A Bel‐Brunon, S Catheline… - … journal for numerical …, 2018 - Wiley Online Library
In this study, visco‐hyperelastic Landau's model, which is widely used in acoustical physic
field, is introduced into a finite element formulation. It is designed to model the nonlinear …

A theoretical analysis of mass scaling techniques

Y Voet, E Sande, A Buffa - arXiv preprint arXiv:2410.23816, 2024 - arxiv.org
Mass scaling is widely used in finite element models of structural dynamics for increasing
the critical time step of explicit time integration methods. While the field has been flourishing …

Explicit multistep time integration for discontinuous elastic stress wave propagation in heterogeneous solids

SS Cho, R Kolman, JA González… - International Journal for …, 2019 - Wiley Online Library
A multistep explicit time integration algorithm is presented for tracking the propagation of
discontinuous stress waves in heterogeneous solids whose subdomain‐to‐subdomain …

[HTML][HTML] A novel semi-implicit scheme for elastodynamics and wave propagation in nearly and truly incompressible solids

C Kadapa - Acta Mechanica, 2021 - Springer
This paper presents a novel semi-implicit scheme for elastodynamics and wave propagation
problems in nearly and truly incompressible material models. The proposed methodology is …

Study of the Effect Launching System using Airbags on the Hull Structures of Pinisi Ship

AD Noegraha, R Djamaluddin… - Journal of Advanced …, 2024 - semarakilmu.com.my
Using airbags for ship launching is a technological innovation with promising implications
for the shipbuilding industry. Considering the inefficiency and time consumption of the …