Zobrazeno 1 - 10
of 567
pro vyhledávání: '"Dongdong, Gu"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 3000-3011 (2024)
The laser additive hybrid manufacturing technology, which combines the precision of Laser Powder Bed Fusion (LPBF) and the flexibility of Laser Directed Energy Deposition (LDED), provides an effective solution for efficient forming and remanufacturin
Externí odkaz:
https://doaj.org/article/529814220b634004a57a5aa75783477c
Towards a general computed tomography image segmentation model for anatomical structures and lesions
Autor:
Xi Ouyang, Dongdong Gu, Xuejian Li, Wenqi Zhou, Qianqian Chen, Yiqiang Zhan, Xiang Sean Zhou, Feng Shi, Zhong Xue, Dinggang Shen
Publikováno v:
Communications Engineering, Vol 3, Iss 1, Pp 1-11 (2024)
Abstract Numerous deep-learning models have been developed using task-specific data, but they ignore the inherent connections among different tasks. By jointly learning a wide range of segmentation tasks, we prove that a general medical image segment
Externí odkaz:
https://doaj.org/article/d2f39f87da6b4d7ba9612da9bbc51740
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 37, Iss 1, Pp 1-16 (2024)
Abstract The bipolar plate (BPP) is a crucial component of proton exchange membrane fuel cells (PEMFC). However, the weight of BPPs can account for around 80% of a PEMFC stack, posing a hindrance to the commercialization of PEMFCs. Therefore, the lig
Externí odkaz:
https://doaj.org/article/80f7cdb963cf47539730a50e9d33cd7c
Autor:
Wenxin Chen, Dongdong Gu, Luhao Yuan, Keyu Shi, Xin Liu, Jianfeng Sun, Yusheng Chen, Kaijie Lin
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
The inherent manufacturing defects in laser powder bed fusion (LPBF)-processed samples leads to deviations from results of finite element analysis (FEA) using the designed model. To systematically evaluate process-induced defects and elucidate their
Externí odkaz:
https://doaj.org/article/d7487ca5ddba4b34a22dccaf1698b23c
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
Optimising the cell type and configuration is a key approach for overcoming stress concentration and irreversible deformation in lightweight lattice structures with high strength. In this work, the topology optimisation method was utilised to design
Externí odkaz:
https://doaj.org/article/35017c1f871b40bbbb6d8d2a2a764539
Autor:
Luhao Yuan, Dongdong Gu, Kaijie Lin, Xin Liu, Keyu Shi, He Liu, Han Zhang, Donghua Dai, Jianfeng Sun, Jie Wang, Wenxin Chen
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
ABSTRACTThe cuttlebone is known for its ability to possess high specific stiffness, progressive failure and lightweight from the porous chambered structure. Inspired by the microstructural characteristics of cuttlebone and incorporating the wall grad
Externí odkaz:
https://doaj.org/article/2db90d730e3a4f51978cd77c9f6f5d7b
Autor:
Dongdong Gu, Jiahan Zhang, Yijie Ding, Yongzhen Wang, Jie Yang, Ge Shi, Bin Li, Junqiang Zhao
Publikováno v:
Applied Sciences, Vol 14, Iss 23, p 11356 (2024)
In response to the situation in the Huanghuai region, where corn fertilization and pesticide application primarily rely on manual methods such as hand broadcasting fertilizer and using manual backpack sprayers, resulting in low levels of mechanizatio
Externí odkaz:
https://doaj.org/article/54320a8bc62545d2b1cd791182182d09
Publikováno v:
PLoS ONE, Vol 19, Iss 4, p e0301590 (2024)
To promote the comprehensive utilization of corn stover and the development of field water-saving irrigation technology, a method of returning corn stover to the field was prosed; in this method, the crop stalks were crushed, mixed with soil in diffe
Externí odkaz:
https://doaj.org/article/4c0959950071425d9347c892bdd14ab1
Publikováno v:
Virtual and Physical Prototyping, Vol 18, Iss 1 (2023)
Additive manufacturing (AM) has become a practical solution for fabricating lightweight and high-strength metallic lattice structures. The inverse optimisation of process-structure parameters to achieve high performance and minimised trial-and-error
Externí odkaz:
https://doaj.org/article/20d8ac040bb54a8bbe6eb67d40aea157
Publikováno v:
Virtual and Physical Prototyping, Vol 18, Iss 1 (2023)
Node-strengthened hybrid structures with lower relative density inspired by solid solution strengthening mechanism, namely the edge center interstitial lattice (ECIL) structures and vertex node substitutional lattice (VNSL) structures were designed a
Externí odkaz:
https://doaj.org/article/0b288331836744fab52d29afd06e28d1