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George D. Manolis and Georgios I. Dadoulis
A vibrating pylon, modeled as a waveguide, with an attached point mass that is time-varying poses a numerically challenging problem regarding the most efficient way for eigenvalue extraction. The reason is three-fold, starting with a heavy mass attachmen...
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Rafel Roig, Xavier Sánchez-Botello, Berhanu Mulu, Carl-Maikel Högström and Xavier Escaler
The growing installation of intermittent renewable energy sources is forcing hydraulic turbines to work more frequently at speed no load when dangerous vaneless space vortex structures and stochastic flow phenomena can occur. An experimental campaign has...
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Hongjian Zhang, Hao Wang, Xin Cai, Jiaojie Xie, Yazhou Wang and Ningchuan Zhang
Floating offshore wind turbines (FOWTs) still face many challenges in improving platform stability. A fully submersible FOWT platform with inclined side columns is designed to tackle the current technical bottleneck of the FOWT platform, combining the st...
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Walid Ahmad Safi, Yo Hibino, Koichi Kusunoki, Tomohisa Mukai, Yasushi Sanada, Izumi Nakamura and Satoru Fukai
The required base shear and drift limit for post-disaster management buildings have increased in the Japanese Building Code following major seismic events. One method to satisfy these requirements for reinforced concrete frame buildings is to cast exteri...
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Ling Wan, Dongqi Jiang and Jian Dai
As a potential option for transportation applications in coastal areas, curved floating bridges with a same small specified rise to span ratio of 0.134, supported by multiple pontoons, are investigated in this paper. Two conceptual curved bridges are pro...
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Giammaria Gabbianelli, Daniele Perrone, Emanuele Brunesi and Ricardo Monteiro
The importance of non-structural elements in performance-based seismic design of buildings is presently widely recognized. These elements may significantly affect the functionality of buildings even for low seismic intensities, in particular for the case...
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A. B. M. Saiful Islam
Pág. 354 - 363
Significantly growing construction in the earthquake vulnerable regions needs appropriate handling of seismic prone buildings. Insertion of high damping rubber bearing (HDRB) at the building base might be an attractive option for structural safety and ec...
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Debora Francisco Lalo, Mateus Oliveira Silva, Marcelo Greco (Author)
Pág. e30593
Structural optimization has received increasing attention in several different areas of engineering and has been identified as the most challenging and economically rewarding task in the field of structural design. In this context, the current pape...
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Robinson Barrera, Iván Gómez, Jabid Quiroga
Pág. Page 61 - 70
This study compares optimization techniques of Particle Swarm Optimization (PSO) with Genetic Algorithms (GA), both techniques employed for the implementation of a system intended to detect and diagnose structures failures by using a modal response. Diff...
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Sang Jin Kim and Jung Min Sohn
As ship collisions and grounding accidents lead to human injury and damage to the environment and property, more accurate predictions of structural damage to ships under impact loads are needed. Currently, to determine structural behaviors, finite elemen...
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Victor E. L. Gasparetto, Jackson Reid, William P. Parsons, Mostafa S. A. ElSayed, Mohamed Saad, Stephen Shieldand, Gary L. Brown and Lawrence M. Hilliard
This paper proposes a design procedure to determine the optimal configuration of multi-degrees of freedom (MDOF) multiple tuned mass dampers (MTMD) to mitigate the global dynamic aeroelastic response of aerospace structures. The computation of the aerody...
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Huaibo Yao, Yixin Huang, Wenlai Ma, Lei Liang and Yang Zhao
Joints are widely used in large deployable structures but show semi-rigidity due to performance degradation and some nonlinear factors affecting the structure?s dynamic characteristics. This paper investigates the influence of semi-rigid joints on the ch...
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Ruben Iacob Munteanu, Florin Mota, Vasile Calofir and Catalin Baciu
The structural engineering community often deals with the issue of inelastic incursions of the structural response. Although buildings situated in seismic regions are usually designed using elastic analysis, most encounter significant inelastic deformati...
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Shiqi Liu, Zhenju Chuang, Kai Wang, Xin Li, Xin Chang and Lixun Hou
The full exploitation of offshore wind resources can essentially satisfy the massive energy demand. The realization and application of ultra-high-power offshore wind turbines are crucial to achieving full use of deep-sea wind energy and reducing the cost...
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Yunlong Zhang, Dongsheng Du, Sheng Shi, Weiwei Li and Shuguang Wang
The intensity non-stationarity is one of the basic characteristics of ground motions, the influences of which on the dynamic responses of structures is a pressing issue in the field of earthquake engineering. The BP neural network modified by the genetic...
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Georgios I. Dadoulis and George D. Manolis
In this work, we investigate the transient response of a model bridge traversed by a heavy mass moving with constant velocity. Two response regimes are identified, namely forced vibrations followed by free vibrations as the moving mass goes past the far ...
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Angelo Aloisio and Massimo Fragiacomo
The paper presents an application of the Extended Energy-dependent Generalized Bouc?Wen model (EEGBW) to simulate the experimental cyclic response of Cross-Laminated Timber (CLT) panels. The main objectives of the paper are assessing the sensitivity of t...
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This paper aims at highlighting the main mechanical parameters controlling the behavior of the so-called ?acceleration-sensitive? non-structural components (NSCs). The first reports a short review of the current state of knowledge and the critical issues...
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Zhanyang Chen, Hongbin Gui, Xiyu Liao and Mengchao Du
With increasing demands for huge ship dimensions and the wide use of high-strength steel, the influence of slamming and elastic structure on structural strength cannot be ignored. Therefore, in this paper, a three-dimensional (3D) nonlinear hydroelastic ...
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Renjie Liu, Tianchen Cheng, Pan Wen, Chao Wang and Guangyong Wang
Space truss structures are commonly used in long-span roof structures. Recently, middle-hung scoreboards (MHS), a kind of large-scale display device flexibly suspended in the center of the roof, have been widely used in gymnasiums. However, the effect of...
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