[图书][B] Simulation of Piezoelectric Sensor and Actuator Devices

SJ Rupitsch, SJ Rupitsch - 2019 - Springer
In this chapter, we will study the fundamentals of the FE method, which are important for
simulating the behavior of piezoelectric sensors and actuators. The focus lies on linear FE …

Numerical characterization of piezoceramics using resonance curves

N Pérez, F Buiochi, MA Brizzotti Andrade… - Materials, 2016 - mdpi.com
Piezoelectric materials characterization is a challenging problem involving physical
concepts, electrical and mechanical measurements and numerical optimization techniques …

[HTML][HTML] Aeroacoustics research in Europe: The CEAS-ASC report on 2019 highlights

R Camussi, GJ Bennett - Journal of Sound and Vibration, 2020 - Elsevier
Abstract The Council of European Aerospace Societies (CEAS) Aeroacoustics Specialists
Committee (ASC) supports and promotes the interests of the scientific and industrial …

3D-FV-FE aeroacoustic larynx model for investigation of functional based voice disorders

S Falk, S Kniesburges, S Schoder, B Jakubaß… - Frontiers in …, 2021 - frontiersin.org
For the clinical analysis of underlying mechanisms of voice disorders, we developed a
numerical aeroacoustic larynx model, called simVoice, that mimics commonly observed …

Computational aeroacoustics of the EAA benchmark case of an axial fan

S Schoder, C Junger… - Acta Acustica, 2020 - acta-acustica.edpsciences.org
This contribution benchmarks the aeroacoustic workflow of the perturbed convective wave
equation and the Ffowcs Williams and Hawkings analogy in Farassat's 1A version for a low …

Moore–Gibson–Thompson equation with memory, part I: exponential decay of energy

I Lasiecka, X Wang - Zeitschrift für angewandte Mathematik und Physik, 2016 - Springer
We are interested in the Moore–Gibson–Thompson equation with memory τ u _ ttt+ α u_ tt+
c^ 2 A u+ b A u_t-\int_0^ tg (ts) A w (s) ds= 0. τ uttt+ α utt+ c 2 A u+ b A ut-∫ 0 tg (ts) A w (s) …

A full-system approach of the elastohydrodynamic line/point contact problem

W Habchi, D Eyheramendy, P Vergne… - 2008 - asmedigitalcollection.asme.org
The solution of the elastohydrodynamic lubrication (EHL) problem involves the simultaneous
resolution of the hydrodynamic (Reynolds equation) and elastic problems (elastic …

Application limits of conservative source interpolation methods using a low mach number hybrid aeroacoustic workflow

S Schoder, A Wurzinger, C Junger, M Weitz… - Journal of Theoretical …, 2021 - World Scientific
In low Mach number aeroacoustics, the well-known disparity of scales allows applying
hybrid simulation models using different meshes for flow and acoustics, which leads to a fast …

openCFS: Open Source Finite Element Software for Coupled Field Simulation--Part Acoustics

S Schoder, K Roppert - arXiv preprint arXiv:2207.04443, 2022 - arxiv.org
Although many numerical simulation tools have been developed and are on the market,
there is still a strong need for appropriate tools capable to simulate multi-field problems …

Mathematics of nonlinear acoustics

B Kaltenbacher - Evolution Equations and Control Theory, 2015 - aimsciences.org
The aim of this paper is to highlight some recent developments and outcomes in the
mathematical analysis of partial differential equations describing nonlinear sound …