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Giuseppe Ciaburro, Gino Iannace, Laura Ricciotti, Antonio Apicella, Valeria Perrotta and Raffaella Aversa
In this paper, a metamaterial design based on lightweight geopolymeric elements was reported for applications in acoustic insulation.
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Evangelos Sapountzakis, Georgios Florakis and Konstantinos Kapasakalis
This paper investigates the implementation of supplemental vibration control systems (VCS) in base isolated (BI) structures, to improve their dynamic performance. More specifically, the aim of the VCS is to reduce the base displacement demand of BI struc...
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Jian Qin, Zhenquan Zhang, Xuening Song, Shuting Huang, Yanjun Liu and Gang Xue
In order to enhance the power generation efficiency and reliability of wave energy converters (WECs), an enclosed inertial WEC with a magnetic nonlinear stiffness mechanism (nonlinear EIWEC) is proposed in this paper. A mathematical model of the nonlinea...
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Pascal Fossat, Madhurima Kothakota, Mohamed Ichchou and Olivier Bareille
This work addresses the dynamic modeling of a negative stiffness absorber consisting of an assembly of curved beams. Design rules are derived from the orders of magnitude of stiffness and elastic energy stored by the negative stiffness elements. Although...
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Bin Yu, Zhao Xu, Ruinan Mu, Anping Wang and Haifeng Zhao
Thermal expansion is inevitable for space structures under the alternating temperature of outer space around the earth. This may lead to the thermal stress and deformation due to the mismatch of the coefficient of thermal expansion. Near-zero thermal exp...
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Jianqing Bu, Wenlong Cao, Xueyan Wang and Lianpeng Zhang
To verify the effectiveness of uplift-restricted and slip-permitted (URSP) connectors in alleviating crack formation in the negative-moment region of steel-concrete composite beams (SCCBs) and improve the engineering adaptability of URSP connectors, this...
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Changbao Yang, Zhisheng Wang, Yuanwei Lyu, Jingyang Zhang and Ben Xu
With increasing demand for load capacity and dynamic responses, the new generation of Gas Dynamic Foil Bearings (GDFB), assembled from preloaded elastic multi-leaf foils, has been put forward. It exhibits steady and dynamic characteristics that are more ...
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Guanjie Kong, Ziyu Wang and Youfa Yang
In view of the weak isolation and shock absorption effect of ordinary isolation bearings at present, a new track damping negative-stiffness device was designed based on the principle of negative stiffness. The principle of negative stiffness was applied ...
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Cristina Mihaela Cepeha, Corina Paul, Andreea Borlea, Renata Bende, Monica Simina Mihuta and Dana Stoian
Strain elastography (SE) determines the level of tissue stiffness and thus helps in the diagnosis and differentiation of various pathologies. This paper aims to study the elastographic differences between healthy thyroid parenchyma and ones affected by c...
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Joseph Attias, Navid Shahnaz, Chamutal Efrat, Brian Westerberg, Jane Lea, Eytan David, Ofir Zavdy and Ohad Hilly
Objectives?Cochlear implantation has been suggested to be associated with an air-bone gap, possibly secondary to increased middle- and inner-ear stiffness. To explore the effect of possible changes in mechanics due to cochlear implantation, we measured w...
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