Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Jeffrey Cipolla"'
Autor:
Juan G. Londono, Christopher J. Earls, Maxwell Jenquin, Alex Kelly, Jeffrey Cipolla, Christophe Bonneville
Publikováno v:
Reliability Engineering & System Safety. 212:107624
Certifying performance of mechanical components with experimental tests is time consuming and expensive, which motivates the development of efficient approaches for predicting the outcomes from such testing. We propose two methods based on Gaussian p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e56711d31a718434de9580f9588d42ed
https://doi.org/10.1016/j.ress.2021.107624
https://doi.org/10.1016/j.ress.2021.107624
Autor:
Jeffrey Cipolla
Publikováno v:
The Journal of the Acoustical Society of America. 146:2904-2904
Despite the enormous strides in computing power, reduced-order models (ROMs) remain essential for design optimization and early stage design. The energetically optimal basis for ROMs of vibroacoustic systems derives from the coupled Eigen problem: no
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f177bd2bd064431b99bbd6200541946a
https://doi.org/10.1121/1.5137076
https://doi.org/10.1121/1.5137076
Publikováno v:
The Journal of the Acoustical Society of America. 146:2830-2830
The design of broadband mechanical metamaterials in the context of acoustics can be driven by the invariance of the wave equation under a set of special coordinate transformations called transformation acoustics. A program of homogenization to design
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a782a514289e3f1d176b9653a45c65ce
https://doi.org/10.1121/1.5136804
https://doi.org/10.1121/1.5136804
Autor:
Jeffrey Cipolla
Publikováno v:
The Journal of the Acoustical Society of America. 146:2904-2904
Large-scale analysis of transducer arrays usually requires detailed, high-resolution modeling to represent the coupling effects of piezoelectric, elastic, and fluid media. However, reduced-order models, in the form of low-DOF lumped-parameter enginee
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f6dc1002e3892a16ea8eab89f95d259
https://doi.org/10.1121/1.5137075
https://doi.org/10.1121/1.5137075
Publikováno v:
The Journal of the Acoustical Society of America. 132:2932-2941
The acoustic cloaking theory of Norris (2008) permits considerable freedom in choosing the transformation function f from physical to virtual space. The standard process for defining cloak materials is to first define f and then evaluate whether the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::259d46ea0e40d108c9feb92ae5072f84
https://doi.org/10.1121/1.4744938
https://doi.org/10.1121/1.4744938
Publikováno v:
The Journal of the Acoustical Society of America. 142:2615-2615
Transformation acoustics uses invertible maps to transform a cloaked region to a region with a smaller scatterer. The “elastic” or Norris class of acoustic cloaking theory is inherently broadband, in that it does not rely on the presence of reson
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16e6a666a693d3d183ffc8d42b2eabc8
https://doi.org/10.1121/1.5014576
https://doi.org/10.1121/1.5014576
Publikováno v:
The Journal of the Acoustical Society of America. 142:2615-2615
Functionally graded acoustic metamaterials (FGAMs) can be designed to have specific waveguide properties dictated by a theory relevant to the application. Frequently, these material properties do not exist naturally, and must be fabricated by gradual
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08b534ca0d90c7b06798ad41d8233dd5
https://doi.org/10.1121/1.5014575
https://doi.org/10.1121/1.5014575
Publikováno v:
The Journal of the Acoustical Society of America. 142:2615-2615
The field of acoustic metamaterial research has been driven, first, by transformation acoustics cloaking theory. This and other theoretical approaches optimize an acoustic effect through definition of artificial material properties which at present a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::865660d26b1db6bc76b20215df7bb56d
https://doi.org/10.1121/1.5014577
https://doi.org/10.1121/1.5014577
Autor:
Heather Reed, Jeffrey Cipolla
Publikováno v:
The Journal of the Acoustical Society of America. 140:3160-3160
A previously reported structural-acoustic frequency-domain formulation for layered, ribbed structures is used here as the basis for an approach to optimize these systems. We will review a previously reported singular perturbation approach to resolve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f207ce2ee83c023abe2efbaf6a90fb83
https://doi.org/10.1121/1.4969919
https://doi.org/10.1121/1.4969919
Publikováno v:
The Journal of the Acoustical Society of America. 138:1910-1910
Functionally graded acoustic metamaterials (FGAMs) can be designed to have specific waveguide properties. In sonar applications, FGAMs can be tailored to resist incident wave reflection. As these materials do not exist naturally, they must be fabrica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f3ac9e282153670c86189a1d65dae69
https://doi.org/10.1121/1.4934006
https://doi.org/10.1121/1.4934006