Zobrazeno 31 - 40
of 149
pro vyhledávání: '"Lin Zhong-qin"'
Publikováno v:
China Journal of Orthopaedics & Traumatology / Zhongguo Gu Shang; Dec2018, Vol. 31 Issue 12, p1086-1090, 5p
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 30:574-577
The concept design of checking fixtures for auto-body parts is a highly complex process that requires a human designer to draw from his rich experience. By exploiting recent advances in CAD/CAM and artificial intelligence techniques, one may constrai
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 27:288-295
Mathematical models of the electromagnetic field, fluid flow and heat transfer of a three-dimensional moving gas tungsten arc (GTA) weld pool with external longitudinal magnetic field applied are established in the paper. Using a multi-coupled analys
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 26:23-29
Wrinkling and fracture are main defects in sheet-metal forming. They can be reduced or eliminated by manipulating a suitable blank-holder force (BHF). But it is difficult to attain the optimum BHF during sheet-metal forming. In this article, a new op
Publikováno v:
Journal of Materials Processing Technology. 145:93-98
Flanging is an important sheet forming process in auto-body panel stamping industry, which can affect the assembly quality of auto-body. Unfortunately, simulation of flanging is a relatively difficult task, and the formability is not so clear so far.
Publikováno v:
Communications in Numerical Methods in Engineering. 19:169-178
The mechanism of explicit dynamic finite element method for shell deformation analysis and the key influential factors on computation precision and efficiency are briefly described. A new area co-ordinate-based quadrilateral thin shell element is put
Publikováno v:
Modelling and Simulation in Materials Science and Engineering. 10:781-798
Under the control of external longitudinal magnetic field, substantial changes happen to ordinary gas tungsten arc welding (GTAW) process. In this paper, mathematical models of fluid flow and heat transfer of external longitudinal magnetic field movi
Publikováno v:
Journal of Materials Processing Technology. 127:261-265
Geometric modeling used in the dynamic stamping simulation of a die is discussed. Several modeling methods based on engineering drawings used often to construct 3D surface models of an autobody panel in stamping simulation are also discussed. Based o
Publikováno v:
Journal of Materials Processing Technology. 121:308-312
In this work, an improved equivalent drawbead model is presented to replace the actual drawbead shape. Three-dimensional finite element analysis of the deep drawing process was performed to determine the optimum distribution of drawbead restraining f
Publikováno v:
Journal of Materials Processing Technology. 120:62-67
Applying a blankholder gap is the main method of control of the blankholder in stamping or its simulation. In this paper, the nature of stamping with a blankholder gap is provided as well as two advantages of stamping simulation with a blankholder ga