Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Z. Nili Ahmadabadi"'
Publikováno v:
Mathematical and Computer Modelling of Dynamical Systems. 25:195-223
This paper develops a mathematical modeling procedure for pneumatic nailing devices. The representation integrates all the operation phases composing the nailing process. The model accounts for the...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e75d3a0f4c3d36f5c1147f374ec6f9e7
https://doi.org/10.1080/13873954.2019.1601111
https://doi.org/10.1080/13873954.2019.1601111
Publikováno v:
Applied Acoustics. 114:191-202
This paper investigates the noise sources in a pneumatic nail gun. The study combines two complementary experimental approaches. The first uses simultaneous data observation, with sound, acceleration and air pressure signals simultaneously recorded i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::133d316bb6572324025a283328d71cbc
https://doi.org/10.1016/j.apacoust.2016.07.030
https://doi.org/10.1016/j.apacoust.2016.07.030
Autor:
Z. Nili Ahmadabadi, S.E. Khadem
Publikováno v:
Acta Mechanica. 226:4087-4097
This paper investigates the propagation of acceleration waves on a nonlinear, externally damped string. Using the singular perturbation method, the hyperbolic system of quasilinear partial differential equations of a string is analyzed. Employing thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af7f0c0f43cd23c5a2b7d9990e8a767f
https://doi.org/10.1007/s00707-015-1481-5
https://doi.org/10.1007/s00707-015-1481-5
Publikováno v:
Construction and Building Materials. 88:126-133
This paper presents an empirical model predicting penetration resistance forces (PRF) imposed on nails when penetrating plywood samples at quasi-static velocities (20–500 mm/min range). The formulation covers various nail geometries and sizes and t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef95cb3f1eca66cfe934ce6aab331b43
https://doi.org/10.1016/j.conbuildmat.2015.04.011
https://doi.org/10.1016/j.conbuildmat.2015.04.011
Autor:
S.E. Khadem, Z. Nili Ahmadabadi
Publikováno v:
Journal of Sound and Vibration. 333:4444-4457
This paper presents an optimal design for a system comprising a nonlinear energy sink (NES) and a piezoelectric-based vibration energy harvester attached to a free–free beam under shock excitation. The energy harvester is used for scavenging vibrat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbdbbc2c885ca5767818413b8c0ca241
https://doi.org/10.1016/j.jsv.2014.04.033
https://doi.org/10.1016/j.jsv.2014.04.033
Autor:
Z. Nili Ahmadabadi, S.E. Khadem
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. 227:230-245
Application of nonlinear energy sink in annihilating self-excited oscillations of a slightly modified experimental and theoretical torsional vibration model of drill-string with real parameter values is studied in this article. Various configurations
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1179745177afab5de69b8a278c4abeb5
https://doi.org/10.1177/0954406212447226
https://doi.org/10.1177/0954406212447226
Autor:
S.E. Khadem, Z. Nili Ahmadabadi
Publikováno v:
Mechanism and Machine Theory. 50:134-149
This paper investigates the effect of an attached/coupled nonlinear energy sink (NES 1 ) on energy suppression of a cantilever beam under shock excitation. Grounded and ungrounded configurations of NES are studied and the NES performance is optimized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b641db9c945b174b9bc841f145c4eac4
https://doi.org/10.1016/j.mechmachtheory.2011.11.007
https://doi.org/10.1016/j.mechmachtheory.2011.11.007
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