[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Barbieri et al., 2012 - Google Patents

The technique of active/inactive finite elements for the analysis and optimization of acoustical chambers

Barbieri et al., 2012

View PDF
Document ID
1176626697667757432
Author
Barbieri R
Barbieri N
Publication year
Publication venue
Applied Acoustics

External Links

Snippet

In this work are investigated two topics associated with numerical calculations of the transmission loss in acoustical silencers: analysis of acoustic chambers employing active/inactive finite elements and its optimization using the GA (genetic algorithm) with …
Continue reading at www.academia.edu (PDF) (other versions)

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50—Computer-aided design
    • G06F17/5009—Computer-aided design using simulation
    • G06F17/5018—Computer-aided design using simulation using finite difference methods or finite element methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/141—Discrete Fourier transforms
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/11—Complex mathematical operations for solving equations, e.g. nonlinear equations, general mathematical optimization problems

Similar Documents

Publication Publication Date Title
Barbieri et al. The technique of active/inactive finite elements for the analysis and optimization of acoustical chambers
Lee Optimal topology of reactive muffler achieving target transmission loss values: Design and experiment
De Lima et al. The study of reactive silencers by shape and parametric optimization techniques
Barbieri et al. Finite element acoustic simulation based shape optimization of a muffler
Yu et al. Sub-chamber optimization for silencer design
Denia et al. Acoustic attenuation performance of perforated dissipative mufflers with empty inlet/outlet extensions
Yu et al. Duct noise attenuation using reactive silencer with various internal configurations
Lee et al. Topology design of reactive mufflers for enhancing their acoustic attenuation performance and flow characteristics simultaneously
Kook et al. Acoustical topology optimization for Zwicker’s loudness model–Application to noise barriers
Yoon et al. Topology optimization design for total sound absorption in porous media
Barbieri et al. Acoustic horns optimization using finite elements and genetic algorithm
US20140340406A1 (en) Acoustic performance calculation device, acoustic performance calculation method, and acoustic performance calculation program
Chen et al. Hybrid uncertain analysis for the prediction of exterior acoustic field with interval and random parameters
Li et al. A unified scaled boundary finite element method for transient two-dimensional vibro-acoustic analysis of plate-like structures
Ferrándiz et al. Topology and shape optimization of dissipative and hybrid mufflers
Oh et al. Topology optimization of a suction muffler in a fluid machine to maximize energy efficiency and minimize broadband noise
Khajah et al. Shape optimization of acoustic devices using the scaled boundary finite element method
Druskin et al. An extended Krylov subspace model-order reduction technique to simulate wave propagation in unbounded domains
Chiu et al. Shape optimization of multi-chamber cross-flow mufflers by SA optimization
Ji Acoustic attenuation performance analysis of multi-chamber reactive silencers
Donahue et al. A Boussinesq-scaled, pressure-Poisson water wave model
CN102693342A (en) Parameter selecting method for restraining sound wave energy in strong nonlinear medium
Chiu Genetic algorithm optimization on a venting system with three-chamber hybrid mufflers within a constrained back pressure and space
Pereira et al. Multi-domain acoustic topology optimization based on the BESO approach: applications on the design of multi-phase material mufflers
Gai et al. Study on sound insulation performance of the periodic arrangement expansion chambers structure with built-in micro-perforated panel