Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Hussain Altammar"'
Publikováno v:
Sensors, Vol 24, Iss 5, p 1384 (2024)
Welded lap joints play a vital role in a wide range of engineering structures such as pipelines, storage tanks, pressure vessels, and ship hulls. This study aims to investigate the propagation of ultrasonic guided waves in steel welded lap joints for
Externí odkaz:
https://doaj.org/article/e1152dcd993e4ea4bd41ac399b1ab813
Autor:
Hussain Altammar, Sudhir Kaul
Publikováno v:
Signals, Vol 2, Iss 3, Pp 475-489 (2021)
This paper presents a novel adaptive probabilistic algorithm to identify damage characteristics by integrating the use of the frequency response function with an optimization approach. The proposed algorithm evaluates the probability of damage existe
Externí odkaz:
https://doaj.org/article/dd850b62c90a4276b4a53aaa69db0634
Publikováno v:
Actuators, Vol 8, Iss 4, p 70 (2019)
A major inhibition to the widespread use of laminate structures is the inability of nondestructive testing techniques to effectively evaluate the bondline integrity. This work proposes and analyzes a bondline-integrity health monitoring approach util
Externí odkaz:
https://doaj.org/article/baa6c0fac6504844af1bfcf56b2ebdbb
Publikováno v:
Sensors, Vol 18, Iss 11, p 3885 (2018)
Ultrasonic systems employing embedded piezoelectric transducers have seen increased interest in recent years. The ability to sense, actuate, and analyze the wave propagation modes in engineering structures has been fundamental to the advancement of u
Externí odkaz:
https://doaj.org/article/fc61e819fdfe478bbea128769d97ac68
Publikováno v:
Structural Health Monitoring. 20:978-989
Structural health monitoring of thin plate and beam structures using ultrasonic guided wave techniques has been widely studied and demonstrated advanced capabilities dependent on detailed analysis of specific guided wave modes. A common setup employs
Publikováno v:
Volume 13: Safety Engineering, Risk, and Reliability Analysis; Research Posters.
This paper presents a novel probabilistic optimization approach to identify damage characteristics by using the frequency response function (FRF). The proposed approach has been developed to predict the probability of damage existence and to further
Autor:
Hussain Altammar, Nathan Salowitz
Publikováno v:
Volume 1: Acoustics, Vibration, and Phononics.
A laminated beam consisted of internally embedded d15 piezoelectric transducers in a pitch-catch configuration was fabricated with artificial delamination created at the interface of aluminum layers. The severity of damage was also varied to evaluate
Publikováno v:
Journal of Intelligent Material Systems and Structures. 30:2314-2330
There has been recent interest in embedding sensor networks into bondlines to create intelligent materials that can detect, report, and potentially respond to their state. This article presents an initial, large-scale investigation into embedding she
Autor:
Nathan Salowitz, Hussain Altammar
Publikováno v:
Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems. 4
Ultrasonic structural health monitoring (SHM), employing embedded piezoelectric elements to actuate and sense ultrasonic waves, has greatly advanced in recent years. This paper presents a novel approach to address the prevailing challenges in the ins
Publikováno v:
Lecture Notes in Civil Engineering ISBN: 9783030645939
Advanced capabilities of ultrasonic SHM in thin plates, like identification of damage type and compensation for environmental effects, regularly depend on the knowledge and analysis of specific wave propagation modes. Antisymmetric wave propagation m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b725d98a2784eed211db6938cfbf43a
https://doi.org/10.1007/978-3-030-64594-6_72
https://doi.org/10.1007/978-3-030-64594-6_72