Ultrasonic computed tomography based on full-waveform inversion for bone quantitative imaging
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 …
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
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 …
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 …
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
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 …
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
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 …
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
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 …
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 …
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 …
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 …
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 …
for the shipbuilding industry. Considering the inefficiency and time consumption of the …