[HTML][HTML] Review of launcher lift-off noise prediction and mitigation
This article provides a comprehensive overview of noise prediction and mitigation
methodologies within the context of rocket launch events. The first section presents noise …
methodologies within the context of rocket launch events. The first section presents noise …
Dynamical energy analysis on mesh grids: A new tool for describing the vibro-acoustic response of complex mechanical structures
We present a new approach for modelling noise and vibration in complex mechanical
structures in the mid-to-high frequency regime. It is based on a dynamical energy analysis …
structures in the mid-to-high frequency regime. It is based on a dynamical energy analysis …
High-frequency structure-and air-borne sound transmission for a tractor model using dynamical energy analysis
Abstract Dynamical Energy Analysis (DEA) is a mesh-based high frequency method for
modelling structure borne sound in complex built-up structures. Vibro-acoustic simulations …
modelling structure borne sound in complex built-up structures. Vibro-acoustic simulations …
A phase-space approach for propagating field–field correlation functions
We show that radiation from complex and inherently random but correlated wave sources
can be modelled efficiently by using an approach based on the Wigner distribution function …
can be modelled efficiently by using an approach based on the Wigner distribution function …
A direction preserving discretization for computing phase-space densities
Ray flow methods are an efficient tool to estimate vibro-acoustic or electromagnetic energy
transport in complex domains at high-frequencies. Here, a Petrov--Galerkin discretization of …
transport in complex domains at high-frequencies. Here, a Petrov--Galerkin discretization of …
Semiclassical Limit of Resonance States in Chaotic Scattering
R Ketzmerick, F Lorenz, JR Schmidt - Physical Review Letters, 2025 - APS
Resonance states in quantum chaotic scattering systems have a multifractal structure that
depends on their decay rate. We show how classical dynamics describes this structure for all …
depends on their decay rate. We show how classical dynamics describes this structure for all …
Tunnelling around bends—Wave scattering in curved shell structures
A ray dynamics describing wave transport on curved and smooth thin shells can be obtained
from the underlying wave equations via the Eikonal approximation. We analyse mid …
from the underlying wave equations via the Eikonal approximation. We analyse mid …
Transport of phase space densities through tetrahedral meshes using discrete flow map**
Discrete flow map** was recently introduced as an efficient ray based method determining
wave energy distributions in complex built up structures. Wave energy densities are …
wave energy distributions in complex built up structures. Wave energy densities are …
On hybrid convolution quadrature approaches for modeling time‐domain wave problems with broadband frequency content
We propose two hybrid convolution quadrature based discretizations of the wave equation
on interior domains with broadband Neumann boundary data or source terms. The …
on interior domains with broadband Neumann boundary data or source terms. The …
Propagating wave correlations in complex systems
We describe a novel approach for computing wave correlation functions inside finite spatial
domains driven by complex and statistical sources. By exploiting semiclassical …
domains driven by complex and statistical sources. By exploiting semiclassical …