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Cesare Patuelli, Enrico Cestino and Giacomo Frulla
Vibration analysis of wing-box structures is a crucial aspect of the aeronautic design to avoid aeroelastic effects during normal flight operations. The deformation of a wing structure can induce nonlinear couplings, causing a different dynamic behavior ...
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Weiqin Liu, Qilu Zou, Yaqiang Zhang, Yong Nie and Xuemin Song
Large waves cause a great number of collapsed-ship accidents, resulting in the loss of many lives and properties. It has been found that most of these collapses are caused by encountering oblique waves. As a result, the ship structure experiences a compl...
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Alejandro Pérez Caldentey, Yolanda G. Diego, Anastasio P. Santos, Lina López, María Chiquito and Ricardo Castedo
Within the research project ITSAFE, two full-scale structures were built, one consisting of a single-storey, two-span, 7.00 × 14.00 m2 RC frame with a solid slab and another consisting of a two-storey, 7.00 × 7.00 m2 RC frame with solid slabs. In the two...
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Chunyun Shen, Genpei Li, Zhongxu Tian, Chang Chen and You Zhou
The torsional stiffness parameter significantly influences the natural frequency of a leaf spring torsional vibration damper and its proper match with a diesel engine, and the nonlinear characteristics of torsional stiffness avoid reduced reliability due...
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Lei Mei, Wenhui Yan, Junwei Zhou and Weichao Shi
Recent studies indicate that bow foil biomimetic systems can significantly improve ship propulsion in waves. In this paper, the DTMB 5415 ship model is taken as the object and a semi-active elastic flapping foil is proposed to install at its bow underwat...
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Muna H. Jaber, Bilal I. Abd Al-Zahra, Ayoob A. Ibrahim, Rafea F. Hassan, Nabeel H. Al-Salim and Husam H. Hussein
Over the past few decades, numerous studies have explored the use of steel fiber (SF) as an alternative to transverse reinforcement rebars in reinforced concrete beams, either partially or completely replacing them. However, there are limited studies tha...
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Nabeel H. Al-Salim, Muna H. Jaber, Rafea F. Hassan, Nisreen S. Mohammed and Husam H. Hussein
Fiber-reinforced concrete is widely acknowledged for its ability to resist cracking effectively and limit its propagation. By preventing cracks from spreading, the addition of fiber composites to concrete can enhance its extensibility and tensile strengt...
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Meng Wang, Hongen Li, Hu Chen, Xingbo Fang, Enze Zhu, Pujiang Huang, Xiaohui Wei and Hong Nie
The torsion spring of a carrier-based aircraft landing gear is a key component, which is normally manufactured out of AerMet100 ultra-high-strength steel. The takeoff and landing performance is greatly influenced by its bearing capacity and structural du...
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Xinyu Ai, Yuguang Bai, Wei Qian, Yuhai Li and Xiangyan Chen
In this study, an experimental investigation is performed on a scaled, all-movable horizontal tail to study the aeroelastic behaviors induced by multiple free-plays. The dynamic response in wind tunnel tests is measured by strain gauges, an accelerometer...
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Keunuk Chung, Yeonghoon Lee and Jinwook Lee
Most small SUVs in the automotive market are equipped with torsion beam suspension for the rear wheels. Torsion beam suspension consists of a cross-member and a trailing arm. The cross-member plays a crucial role in preventing the vehicle from twisting; ...
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