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Dongpil Cho, Seongkil Nam, Chulho Cho, Dajung Lee, Eunyoung Jeong, Youngcheon Jeong, Jaeyik Lee, Marcus Cridland, Bongjin Kim, Kwangsoo Kim, Jihoon Kim and Myunghyun Kim
Tandem SAW (Submerged Arc Welding) is one welding process that has been applied to maximize the welding productivity at the panel stage in ship building field. The weld bead profiles produced by Tandem SA welding exceed the acceptance criteria specified ...
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Woo-Jae Seong, Sang-Cheol Park and Hee-Keun Lee
We propose an analytical model for the fast prediction of angular distortion that is caused by practical multilayer (or multi-pass) butt welding under constraints. To this end, the relationships between angular distortion, bead size, thickness, and degre...
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Jin Yan, Tiansheng Xu, Ni Li and Guanghong Gong
We studied the numerical approximation problem of distortion in map projections. Most widely used differential methods calculate area distortion and maximum angular distortion using partial derivatives of forward equations of map projections. However, in...
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Aleksandar Dimitrijevic, Aleksandar Milosavljevic and Dejan Rancic
The rapid growth in Earth?s global geospatial data necessitates an efficient system for organizing the data, facilitating data fusion from diverse sources, and promoting interoperability. Mapping the spheroidal surface of the planet presents significant ...
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John Hall, Lakin Wecker, Benjamin Ulmer and Faramarz Samavati
The amount of information collected about the Earth has become extremely large. With this information comes the demand for integration, processing, visualization and distribution of this data so that it can be leveraged to solve real-world problems. To a...
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Luís Moreira de Sousa, Laura Poggio and Bas Kempen
This study compares the performance of five popular equal-area projections supported by Free and Open Source Software for Geo-spatial (FOSS4G)?Sinusoidal, Mollweide, Hammer, Eckert IV and Homolosine. A set of 21,872 discrete distortion vindicatrices were...
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Guojie Chen and Min Lin
Lossless coding is a compression method in the Versatile Video Coding (VVC) standard, which can compress video without distortion. Lossless coding has great application prospects in fields with high requirements for video quality. Since the current VVC s...
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Jaemin Lee and Hyun Chung
In this study, modified equivalent load method for welding distortion analysis is suggested to improve its accuracy. To avoid the excessive computational time for welding distortion analysis of large welded structures, shell element-based elastic analysi...
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