...Frédérique Le Louër; María-Luisa Rapún Purpose The purpose of this paper is to revisit the recursive computation of closed-form expressions for the topological derivative of shape functionals in the context of time-harmonic acoustic waves scattering by sound-soft (Dirichlet condition), sound-hard...

... function that generates initial guesses in the iterated numerical solution of any shape optimization problem or imaging problems relying on time-harmonic acoustic wave propagation. María-Luisa Rapún can be contacted at: marialuisa.rapun@upm.es 08 06 2021 28 07 2021 02 08 2021 ©...

... To the authors’ knowledge, this is the first paper with a simulation of dusty plasma including vortices. Finite elements Acoustic waves Nonlinear fluid Petrov–Galerkin approach Viscous dusty plasma Petrov–Galerkin formulation The kinematic viscosity ν is also required: (5) ν...

...D. Roy Mahapatra; S. Suresh; S.N. Omkar; S. Gopalakrishnan Purpose To develop a new method for estimation of damage configuration in composite laminate structure using acoustic wave propagation signal and a reduction‐prediction neural network to deal with high dimensional spectral data. Design...