Results 1 to 10 of about 57,721 (257)
Experimental modal analysis in research
Budownictwo i Architektura, 2017 Experimental modal analysis has grown steadily in popularity since the advent of the digital FFT spectrum analyser in the 1970’s. This days impact testing has become widespread as a fast and economical means of finding the vibration modes of a machine or
Mariusz Żółtowski +1 more
doaj +3 more sources
Experimental Modal Analysis of Viscoelastic Sandwich Structures [PDF]
Mechanics of Advanced Composite StructuresExperimental and numerical studies are implemented in this work to investigate the modal characteristics of three-layered viscoelastic sandwich beams and plates with a natural rubber core and distinct isotropic face layers. In this study, the material of
Meera-Saheb Koppanati +3 more
doaj +2 more sources
, 2006 This technical report concerns the basic theory and principles for experimental modal analysis. The sections within the report are: Output-only modal analysis software (section 1.1), general digital analysis (section 1.2), basics of structural dynamics and modal analysis (section 1.3) and system identification (section 1.4).
Ibsen, Lars Bo, Liingaard, Morten
+10 more sources
Numerical Assessment of Building Vibration Techniques Using Laboratory Models [PDF]
Port Said Engineering Research Journal, 2022 Experimental Modal Analysis (EMA) is one of the most attractive engineering fields nowadays, which specifies in the studies of modal parameters of existing small buildings under forced vibrations.
moataz Elrayes +2 more
doaj +1 more source
Remote Sensing, 2021 Despite significant advances in the development of high-resolution digital cameras in the last couple of decades, their potential remains largely unexplored in the context of input-output modal identification.
Maksat Kalybek +4 more
doaj +1 more source
Automation of Experimental Modal Analysis Using Bayesian Optimization
Applied Sciences, 2023 The dynamic characterization of structures by means of modal parameters offers many valuable insights into the vibrational behavior of these structures. However, modal parameter estimation has traditionally required expert knowledge and cumbersome manual
Johannes Ellinger +4 more
doaj +1 more source
Aerospace, 2022 Mass reduction is a primary design goal pursued in satellite structural design, since the launch cost is proportional to their total mass. The most common mass reduction method currently employed is to introduce honeycomb structures, with space qualified
Sarmad Dawood Salman Dawood +2 more
doaj +1 more source
Modal identification of cylindrical shell using circumference reduction method
Nihon Kikai Gakkai ronbunshu, 2015 For precision improvement of the noise prediction, the dynamic characteristics of structures need to be verified. This paper focuses on modal identification of the cylindrical shell structures.
Atsushi KITAHARA, Takuya YOSHIMURA
doaj +1 more source
Multi-Variant Modal Analysis Approach for Large Industrial Machine
Energies, 2022 Power generation technologies are essential for modern economies. Modal Analysis (MA) is advanced but well-established method for monitoring of structural integrity of critical assets, including power ones.
Kajetan Dziedziech +3 more
doaj +1 more source
An experimental modal analysis of clavicle bending modes
Advances in Mechanical Engineering, 2021 Clavicle fractures are common medical emergencies; their prevention through design of protection systems depends upon understanding injury mechanisms. This work analyzes the bending natural frequencies and mode shapes of the human cadaver clavicles in ...
Razvan Rusovici, Daniel B Topping
doaj +1 more source