Tianjin 300072

[3] viXra:1802.0312 submitted on 2018-02-21 18:32:44, (16 unique-IP downloads)

Influence of 3D Multi-layer Welding on Residual Stress of Super-big Diameter Welded Hollow Sphere Joint

Authors: Ri Namhyok1, 2, Chen Zhihua1, Ri Yongsop2 1.School of Civil Engineering Tianjin University, Tianjin 300072, PR of China 2.Department of Mechanics, Kim Il Sung University, Pyongyang, DPR of Korea Corresponding Author E-mail: rinamhyok@163.com
Category: Condensed Matter

[2] viXra:1802.0311 submitted on 2018-02-21 18:41:06, (18 unique-IP downloads)

Cause and Countermeasure of Crack Initiation in a 50Mw Steam Turbine Rotor

Authors: Yongsop Ri, Namhyok Ri, Jonggwang Pak, Iljin Kim, Zhihua Chen –Department of Mechanics Enineering, Kim Il Sung University, Pyongyang, DPR of Korea - School of Civil Engineering, Tianjin University, Tianjin 300072, PR of Chi
Category: Condensed Matter

[1] viXra:1802.0310 submitted on 2018-02-21 18:46:48, (12 unique-IP downloads)

Structural Optimization by Using the Stiffness Homogenization

Authors: Yongsop Ri, Namhyok Ri, Jonggwang Pak, Iljin Kim, Zhihua Chen –Department of Mechanics Enineering, Kim Il Sung University, Pyongyang, DPR of Korea - School of Civil Engineering, Tianjin University, Tianjin 300072, PR of Chi
Category: Mathematical Physics