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1 007 (0,304s) •

Project

Research of Non-Linear Acoustic Spectroscopy Methods for Concrete Components Diagnostic (GP103/09/P252)

Project is aimed on study of new methods of nonlinear acoustic spectroscopy will be fulfilment:Theoretic analysis of nonlinear acoustic spectroscopy methods in light arrangement.Gradual degradation of set specimen ...

JN - Stavebnictví

  • 2009 - 2011
    • •
  • 408 tis. Kč
    • •
  • 408 tis. Kč
    • •
  • GA ČR
Project

New methods of generation and utilization of finite-amplitude standing acoustic waves (GAP101/12/1925)

standing acoustic waves. The standing waves will be driven in axisymmetric gas-filled cavities (resonators) using a horn-driver transducer. Complex nonlinear model of acoustic resonator coupled with the transducer will be ...

BI - Akustika a kmity

  • 2012 - 2014
    • •
  • 2 650 tis. Kč
    • •
  • 2 650 tis. Kč
    • •
  • GA ČR
Project

Nonlinear Sound Interactions in Acoustic Resonators (GP202/04/P099)

The importance of nonlinear standing waves behavior knowledge in acoustical resonators is now increasing. Due to new possibilities of generating so strong acoustic in industry (valveless acoustic compressors, cooli...

BI - Akustika a kmity

  • 2004 - 2006
    • •
  • 623 tis. Kč
    • •
  • 623 tis. Kč
    • •
  • GA ČR
Project

Acoustic wave propagation through nonlocal dispersion zones (GA15-23079S)

of nonlinear acoustic waves and for establishing of acoustic couplings between two acousticThe proposed project deals with the problems associated with an acoustic wave can be realized by gradient (inhomo...

BI - Akustika a kmity

  • 2015 - 2017
    • •
  • 2 792 tis. Kč
    • •
  • 2 792 tis. Kč
    • •
  • GA ČR
Project

Nonlinear Acoustics and Transport Processes in Porous Periodic Structures (GA21-16406S)

The project is concerned with multi-time scale modelling of nonlinear phenomena related to acoustic wave propagation in periodic porous structures. Besides mechanical of acoustic streaming influenced by temperature gradient...

Applied mechanics

  • 2021 - 2023
    • •
  • 6 339 tis. Kč
    • •
  • 5 952 tis. Kč
    • •
  • GA ČR
Project

Adaptive control of nonlinear waves in circular resonators (GA202/98/P240)

in an acoustic resonator, nonlinear effects couple energy from low- to high-frequency modesRenewed interest in finite-amplitude acoustic waves in confined geometries has been stimulated by developments in acoustic...

BI - Akustika a kmity

  • 1998 - 2001
    • •
  • 560 tis. Kč
    • •
  • 545 tis. Kč
    • •
  • GA ČR
Project

Multiscale modelling of acoustics-driven fluid suspensions flows in adaptive porous structures (GA24-12291S)

The project is aimed at exploitation of nonlinear acoustic phenomena to design respecting geometrical nonlinearities, resonance effects and acoustic metamaterial. The acoustic interactions at the pore leve...

Applied mechanics

  • 2024 - 2026
    • •
  • 5 441 tis. Kč
    • •
  • 4 962 tis. Kč
    • •
  • GA ČR
Project

Time reversal ultrasonic signal processing used in nondestructive evaluation of materials and structures (GA17-22615S)

ultrasonic nondestructive testing methods: acoustic emission and nonlinear elastic waveTime reversal (TR) of acoustic and ultrasonic signals became an efficient tool in various scientific fields including nondestructive ev...

BI - Akustika a kmity

  • 2017 - 2021
    • •
  • 5 354 tis. Kč
    • •
  • 4 881 tis. Kč
    • •
  • GA ČR
Project

Propagation of acoustic waves through phononic materials and structures (GA18-24954S)

of the influence damping and nonlinear acoustic processes, inclusive of their use for a one-wayThe project deals with wave processes that are related to phononic crystals (PCs) acoustic/elastic metamaterials (AEMMs). Alth...

Mechanical engineering

  • 2018 - 2020
    • •
  • 3 311 tis. Kč
    • •
  • 2 924 tis. Kč
    • •
  • GA ČR
Project

Generation of directional low-frequency acoustic beams (GA202/09/1509)

which are related to modelling of propagation of nonlinear acoustic beams, self-demodulation of low-frequency signals and method of generation of very directional acousticNowadays, interest in the problem of nonlinear<...

BI - Akustika a kmity

  • 2009 - 2011
    • •
  • 2 315 tis. Kč
    • •
  • 2 315 tis. Kč
    • •
  • GA ČR
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