On ultrasound propagation in composite laminates: Advances in numerical simulation

L Maio, P Fromme - Progress in Aerospace Sciences, 2022 - Elsevier
The growing use of composite materials for aerospace applications has resulted in the need
for quantitative methods to analyze composite components. Ultrasonic guided waves …

Automatic image‐based stress analysis by the scaled boundary finite element method

A Saputra, H Talebi, D Tran, C Birk… - International Journal for …, 2017 - Wiley Online Library
Digital imaging technologies such as X‐ray scans and ultrasound provide a convenient and
non‐invasive way to capture high‐resolution images. The colour intensity of digital images …

A massively parallel explicit solver for elasto-dynamic problems exploiting octree meshes

J Zhang, A Ankit, H Gravenkamp, S Eisenträger… - Computer Methods in …, 2021 - Elsevier
Typical areas of application of explicit dynamics are impact, crash test, and most importantly,
wave propagation simulations. Due to the numerically highly demanding nature of these …

An asynchronous parallel explicit solver based on scaled boundary finite element method using octree meshes

J Zhang, M Zhao, S Eisenträger, X Du… - Computer Methods in …, 2022 - Elsevier
Explicit time integration methods are an integral part of solving structural dynamics problems
such as the propagation of elastic and acoustic waves, impact scenarios including crash …

Direct point-cloud-based numerical analysis using octree meshes

J Zhang, S Eisenträger, Y Zhan, A Saputra… - Computers & Structures, 2023 - Elsevier
Point-cloud-based geometry acquisition techniques have seen an increased deployment in
recent years and can be used in many branches of science and engineering. Different from …

Simulation of elastic guided waves interacting with defects in arbitrarily long structures using the scaled boundary finite element method

H Gravenkamp, C Birk, C Song - Journal of computational physics, 2015 - Elsevier
In this paper, an approach is presented to model the propagation of elastic waves and their
interaction with defects in plate structures. The formulation is based on the Scaled Boundary …

[HTML][HTML] High-order shape functions in the scaled boundary finite element method revisited

H Gravenkamp, AA Saputra, S Duczek - Archives of Computational …, 2021 - Springer
The scaled boundary finite element method (SBFEM) is a semi-analytical approach to
solving partial differential equations, in which a finite element approximation is deployed for …

On mass lumping and explicit dynamics in the scaled boundary finite element method

H Gravenkamp, C Song, J Zhang - Computer Methods in Applied …, 2020 - Elsevier
We present, for the first time, the application of explicit time-stepping schemes within the
context of the scaled boundary finite element method (SBFEM). To this end, we discuss in …

Efficient wave propagation simulation on quadtree meshes using SBFEM with reduced modal basis

H Gravenkamp, AA Saputra, C Song… - International Journal for …, 2017 - Wiley Online Library
We apply a combination of the transient scaled boundary finite element method (SBFEM)
and quadtree‐based discretization to model dynamic problems at high frequencies. We …

The computation of dispersion relations for three-dimensional elastic waveguides using the scaled boundary finite element method

H Gravenkamp, H Man, C Song, J Prager - Journal of Sound and Vibration, 2013 - Elsevier
In this paper, a numerical approach for the computation of dispersion relations for three-
dimensional waveguides with arbitrary cross-section is proposed. The formulation is based …