A virtual element method for the acoustic vibration problem
Sign Up to like & getrecommendations! Published in 2017 at "Numerische Mathematik"
DOI: 10.1007/s00211-016-0855-5
Abstract: We analyze in this paper a virtual element approximation for the acoustic vibration problem. We consider a variational formulation relying only on the fluid displacement and propose a discretization by means of $$\mathrm {H}(\mathrm {div})$$H(div)… read more here.
Keywords: acoustic vibration; vibration problem; virtual element;
Online assessment of pear firmness by acoustic vibration analysis
Sign Up to like & getrecommendations! Published in 2020 at "Postharvest Biology and Technology"
DOI: 10.1016/j.postharvbio.2019.111042
Abstract: Abstract Firmness is an important quality indicator of fruit and is closely related to physical structures and mechanical properties. In this study, an online detection system using a laser Doppler vibrometer (LDV) was developed to… read more here.
Keywords: online assessment; analysis; firmness; pear firmness ... See more keywords
Nondestructive quality evaluation of agro-products using acoustic vibration methods—A review
Sign Up to like & getrecommendations! Published in 2018 at "Critical Reviews in Food Science and Nutrition"
DOI: 10.1080/10408398.2017.1324830
Abstract: ABSTRACT Quality evaluation of agro-products is quite important because it is the basis for growers, distributers, and consumers. Various novel and emerging nondestructive methods were proposed for quality evaluation of agro-products. The acoustic vibration method… read more here.
Keywords: acoustic vibration; agro products; quality evaluation;
Submillimeter Acoustic Vibration Measurement and Monitoring Using a Single Smartphone
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2025.3552861
Abstract: The accurate vibration measurement is crucial for monitoring and diagnosing industrial equipment. Existing solutions require either installing contact sensors on the equipment or using noncontact sensors such as laser. Both approaches involve complex deployment, stringent… read more here.
Keywords: submillimeter acoustic; acoustic vibration; measurement; monitoring ... See more keywords
A compressor blade crack detection method based on the multilevel information fusion of acoustic and vibration signals
Sign Up to like & getrecommendations! Published in 2024 at "Structural Health Monitoring"
DOI: 10.1177/14759217241283353
Abstract: Single-signal crack detection methods perform unsatisfactorily in the presence of noise, prompting the need for alternative approaches. Leveraging multisource signals, which contain rich and complementary information, is a promising direction. In light of this, a… read more here.
Keywords: detection; information; acoustic vibration; vibration signals ... See more keywords