Arbtip Dheeravongkit

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In the finite element analysis that deals with large deformation, the process usually produces distorted elements at the later stages of the analysis. These distorted elements lead to analysis problems, such as inaccurate solutions, slow convergence and premature termination of the analysis. This paper proposes a new mesh generation algorithm to mesh the(More)
In the finite element analysis that involves with large deformation, distorted elements are usually produced in the later stages of the analysis. These distorted elements lead to inaccurate solutions, slow convergence and premature termination of the analysis. This paper proposes an inverse predeformation method to generate the input tetrahedral mesh for(More)
In the finite element analysis of metal forming processes, many mesh elements are usually deformed severely in the later stage of the analysis because of the corresponding large deformation of the geometry. Such highly distorted elements are undesirable in finite element analysis because they introduce error into the analysis results, and, in the worst(More)
The large deformation finite element analysis such as metal forming analysis usually involves processes to deform, stamp, or punch a part drastically, which causes great changes in shape of the part during the simulation. As the part is reshaped, the mesh elements are deformed, and element shape quality is decaying as analysis continues. To resolve this(More)
In our recent research, a micro actuating mechanism has been proposed to drive multi degrees of freedom with a single motor. This module is designed in a compact size which is suitable to implement on other automatic systems where mobility is needed. The magnetic jaw clutches are selected to create the bi-directional rotation of the module. To gain the(More)
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