|
|
|
|
|
Marcel Reith, Christoph Breuning, Martin Franke and Carolin Körner
The development of process parameters for electron beam powder bed fusion (PBF-EB) is usually made with simple geometries and uniform scan lengths. The transfer to complex parts with various scan lengths can be achieved by adapting beam parameters such a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Weiqi Huang, Yingjun Guan, Hao Wang, Huanquan Lu and Huisheng Yang
The drive and deployment unit of the variable diameter internal drive device described in this paper is primarily intended for use in space deployment structures. This innovative mechanism is expected to serve as a potential deployment mechanism for larg...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lianfei Kuang, Lipeng Sun, Dongxu Yu, Yijiang Wang, Zhaoxiang Chu and Jo Darkwa
Efficient fracturing is the key issue for the exploitation of geothermal energy in a Hot Dry Rock reservoir. By using the laser irradiation cracking method, this study investigates the changes in uniaxial compressive strength, ultrasonic characteristics ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Daniyal Abolhasani, Seyed Mohammad Hossein Seyedkashi, Mohammad Hoseinpour Gollo and Young Hoon Moon
In this study, the effects of beam diameter and hatch spacing between the scanning paths on the bendability and microstructural behavior of an AISI 316 stainless-steel sheet in three-dimensional laser forming were investigated. The strain on the heating ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ruiyue Liu, Jiatong Liu, Zhenzhen Wu, Ling Chen and Jiejun Wang
The present paper investigates the impact of bolt distance, bolt diameter, and the number of bolt rows on the bending performance of timber?steel composite (TSC) beams. This study aims to facilitate the application of bolt connections in assembled TSC st...
ver más
|
|
|
|
|
|
|
|
|
|
|
Claudiu Andrei Stan, Koji Motomura, Gabriel Blaj, Yoshiaki Kumagai, Yiwen Li, Daehyun You, Taishi Ono, Armin Kalita, Tadashi Togashi, Shigeki Owada, Kensuke Tono, Makina Yabashi, Tetsuo Katayama and Kiyoshi Ueda
The high energy densities deposited in materials by focused X-ray laser pulses generate shock waves which travel away from the irradiated region, and can generate complex wave patterns or induce phase changes. We determined the time-pressure histories of...
ver más
|
|
|
|
|
|
|
|
|
|
|
Suliman Alshammari, Abdullh Jabr, Saad Jaddua and Abdulhakim Alabadusalam
A compact microwave ECR ion source with low operating power was tested and commissioned for the ion injector line in the multipurpose low-energy ELASR storage ring facility at King Abdulaziz City for Science and Technology (KACST) in Riyadh. The compact ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Girolamo Costanza, Giovanni Ottavio Delle Monache, Maria Elisa Tata and Stefano Filosi
The next generation lunar reflector (NGLR) experiment is one of the experiments selected by NASA in the framework of the commercial lunar payload services (CLPS) initiative. The experiment, inspired by the lunar laser ranging (LLR) experiments of the Apo...
ver más
|
|
|
|
|
|
|
|
|
|
|
Junhong Qian, Xiaoyan Wu, Hewei Liu, Xiubao Hua, Ye Tao and Rongzhu Zhang
In order to further explore the technical difficulties involved in orienting the sparse-aperture imaging system towards practical applications, this paper proposes an optical?mechanical structure design scheme and performance simulation, as well as actua...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhenming Xu, Yuan Huang and Rui Liang
In this paper, 3D finite element simulations were conducted for lap-spliced ultra-high-performance concrete (UHPC) beams using ABAQUS software. Based on the concrete damaged plasticity (CDP) model, the plastic damage factor was introduced to simulate the...
ver más
|
|
|
|
|
|
|
|
|
|
|
Navid Majdi Nasab, Jeff Kilby and Leila Bakhtiaryfard
This paper aims to design an integrated offshore structure capable of supporting a hybrid assembly of one wind plus two tidal turbines. The monopile has been found to be a suitable foundation type as the most inexpensive solution in water depths of less ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yi-Ren Wang, Yun-Shuo Chang
Pág. 270 - 291
This work investigates the primary resonance and internal resonance of a double-section beam with cubic nonlinearities. This model can be applied in a wide range of engineering problems, such as rocket and missile structures. Even space technology has be...
ver más
|
|
|
|
|
|
|
|
|
|
|
Qingze Yan, Yun Zhu and Yixin Zhang
Turbulence and absorption of seawater are two important factors affecting the signal transmission quality of underwater optical communication link. Here, we study the channel capacity and bit error rate of an underwater extinction communication link with...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dacheng Huang and Jianrun Zhang
Braided corrugated hoses are widely used in displacement compensation and vibration absorption environments due to their excellent flexibility and energy dissipation properties; however, the axial stiffness has rarely been discussed before as an importan...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ana Carolina Parapinski dos Santos, Antonio Aguado, Noe Villegas
Pág. 9 - 16
The new generation of innovative projects has led to the use of greater amounts of reinforcement and the development of concrete with specific characteristics. It is necessary to use a material that ensures the uniformity of the cross section, as well as...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
Samra Saleem, Ammara Maryam, Kaneez Fatima, Hadia Noor, Fatima Javed and Muhammad Asghar
To realize practical applications of nanowire-based devices, it is critical, yet challenging, to control crystal structure growth of III-V semiconductor nanowires. Here, we demonstrate that controlled wurtzite and zincblende phases of InAs nanowires can ...
ver más
|
|
|
|
|
|
|
|
|
|
|
José D. Hoyos, Jesús H. Jiménez, Camilo Echavarría, Juan P. Alvarado and Germán Urrea
An aero-structural algorithm to reduce the energy consumption of a propeller-driven aircraft is developed through a propeller design method coupled with a Particle Swarm Optimization (PSO). A wide range of propeller parameters is considered in the optimi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mingmin Ding, Bin Luo, Shuyao Ding, Yuzhou Shen and Lifan Huang
According to existing rigid roofing projects, a new structure called the Levy hinged-beam cable dome is proposed. By replacing the upper flexible cables with hinged beams, rigid plates can be installed overhead. To fulfill the requirements of integral to...
ver más
|
|
|
|
|
|
|
|
|
|
|
Steven M. Tate, Hiwa F. Hamid, Stephan A. Durham and Mi G. Chorzepa
This study investigated the potential use of tire derived rubber aggregates, particularly powdered rubber, and recycled steel-wire fibers in concrete subjected to impact loading. The fibers are approximately 0.4 mm in average diameter and 25 mm in length...
ver más
|
|
|
|
|
|