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Georgios Kazakis and Nikos D. Lagaros
In multi-scale topology optimization methods, the analysis encompasses two distinct scales: the macro-scale and the micro-scale. The macro-scale refers to the overall size and dimensions of the structural domain being studied, while the micro-scale perta...
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Natsuki Tsushima, Ryo Higuchi and Koji Yamamoto
By deliberately designing microscopic internal mechanisms, architected materials can achieve a variety of material properties without changing constituent materials. Integration of the architected materials into a structure as substructures has a good po...
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Yingzheng Ren, Zhongzhu Liang, Xiaoyan Shi, Fuming Yang, Xiqing Zhang, Rui Dai, Shoutao Zhang and Weizhen Liu
Beam splitters are widely applied in various optical systems as a common beam-splitting device. The conventional stereoscopic and flat-type beam splitters greatly limit the packaging and integration of optical systems due to their large size and restrict...
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Benjamin J. Brimacombe, James A. Scobie, Joseph M. Flynn, Carl M. Sangan and Oliver J. Pountney
This paper presents experimental measurements of adiabatic effectiveness for three transpiration cooling porosities (ϕ=" role="presentation">??=?=
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0.3, 0.4, and 0.5) constructed from gyroid lattice structures. To the authors? knowledge, th...
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Michael Mayerhofer, Stefan Brenner, Ricardo Helm, Samira Gruber, Elena Lopez, Lukas Stepien, Gerald Gold and Günther Dollinger
Compared to conventional manufacturing, additive manufacturing (AM) of radio frequency (RF) cavities has the potential to reduce manufacturing costs and complexity and to enable higher performance. This work evaluates whether normal conducting side-coupl...
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Myungjun Kim and Yongha Kim
Carbon/carbon (C/C) composite materials are widely used in aerospace structures operating in high temperature environments based on their high performance thermal and mechanical properties. The C/C composite material has a yarn architecture in which fibe...
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Yufeng Xing, Lingyu Meng, Zhiwei Huang and Yahe Gao
This paper presents a novel superposition method for effectively predicting the microscopic stresses of heterogeneous periodic beam-like structures. The efficiency is attributed to using the microscopic stresses of the unit cell problem under six general...
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Hong Lin, Chang Han, Lei Yang, Lin Zhang, Haochen Luan, Pingping Han, Hao Xu and Shuo Zhang
As an important protective facility on offshore platform, the blast wall is of great significance in resisting oil and gas explosions. Honeycomb structures are widely used due to their unique deformation and mechanical properties under dynamic impact loa...
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Callum Daniels and Noel Perera
Due to the nature of their deployment, very few people know the location and course of a submarine during its time at sea, including only a handful of the ship?s crew. The possibility of immediate retaliation by the UK and her allies is aided by the subm...
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Soyeong Lee and Yong Bae Park
In this paper, a miniaturized very-high frequency (VHF) band antenna using both top and bottom meander lines is proposed. To design a compact size antenna in the VHF band, a Composite Right/Left-Handed (CRLH) transmission line is applied to antenna struc...
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