scattering

One Ring to Bind Them...Two Rings to Rule Them

Wed, 2021-06-02 06:41 - giorgio_carta

research

microstructured system

In this paper, we discuss two problems concerning scattering and localisation of flexural waves in structured elastic plates. Firstly, we compare the scattering amplitudes of waves in a thin plate, generated by a point source, due to a single mass and to a large number of smaller masses, having the same equivalent mass and located around a circle. We show that in the second case, the scattering can be reduced, in particular in the medium- and high-frequency regimes.

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Funded Ph.D. Position in Elastodynamic Modeling

Wed, 2020-09-09 11:10 - Chris Kube

job

elastic wave propagation

scattering

elastodynamic

anisotropy

Applications are sought for a research assistantship in the field of wave propagation modeling. The position is supported by a monthly stipend and tuition and fees towards a PhD degree for up to four years (subject to satisfactory progress). The start date is flexible (January 2021 preferred).

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Recent papers from the team on uncertainty quantification, Bayesian inverse problems, real-time error estimation and acoustic scattering using IGA

Tue, 2016-10-18 11:45 - Stephane Bordas

uncertainty quantification

Monte carlo

sensitivity derivatives

Reference : Accelerating Monte Carlo estimation with derivatives of high-level finite element models
http://orbilu.uni.lu/handle/10993/28618

Bayesian inference for the stochastic identification of elastoplastic material parameters: Introduction, misconceptions and insights http://orbilu.uni.lu/handle/10993/28631