Research of Subwavelength Metal Hole Arrays Used for Surface Plasmon Resonance Sense

2012 ◽  
Vol 590 ◽  
pp. 411-415
Author(s):  
Ying Ying Zhang

In this paper, a new structure with square metal hole arrays was devised for SPR sense, and it was optimized by numerical calculation based on finite element analysis. After optimization, a very narrow SPR peak, which is just tenth of the conventional SPR sensor, can be obtained in the transmission spectrum. Besides, the linear measuring range is more than 0.4 RIU. Consequently, the newly designed structure will be benefit for the ability of resist noise and resolution.

2009 ◽  
Vol 16-19 ◽  
pp. 1248-1252
Author(s):  
Chun Dong Zhu ◽  
Man Chun Zhang ◽  
Lin Hua

As an important forged part of an automobile, the inner hole of the half-shaft bushing must be formed directly. However, the process requires many steps, and how the forging, or deformation, is spread over the production steps directly affects the die life and forging force required. In this paper, the three steps involved in directly forging a half shaft bushing's inner hole are simulated using the two-dimensional finite element method. Further more, we improve the forging process. From numerical calculation, the improved necessary forging force is found to be only half the original force, and the die life is doubled.


2010 ◽  
Vol 670 ◽  
pp. 235-242 ◽  
Author(s):  
Y.W. Zhu ◽  
D.S. Kim ◽  
D.H. Kooa ◽  
Y.H. Cho

This paper investigates an optimal design of a double-sided slotted iron core type permanent magnet linear synchronous motor (PMLSM) using for ropeless elevator system. To obtain the optimal structure, the combination of response surface methodology (RSM) and two dimensional (2D) finite element analysis (FEA), which can solve the problem effectively without much time consuming, is utilized to investigate the PMLSM characteristics. Moreover, the detent force is more detailed analyzed with the manufacturing consideration. In final some numerical calculation results are reported to validate the applicability of this double-sided slotted iron core type PMLSM in ropeless elevator system. Introduction


2014 ◽  
Vol 488-489 ◽  
pp. 1039-1042
Author(s):  
Yi Zhou Lin ◽  
Jiang Hong Xue ◽  
Ming Qiao Tang

The buckle propagation phenomenon in offshore pipelines is an important subject of ocean engineering. The local buckling will easily propagate along the pipeline if the external hydrostatic pressure is high enough. The buckle propagation will seriously hinder the transmission of the oil. This paper focuses on the numerical calculation of buckle propagation pressure using ABAQUS software.


2011 ◽  
Vol 462-463 ◽  
pp. 1008-1012 ◽  
Author(s):  
Wei Bing Liu ◽  
Mamtimin Gheni ◽  
Lie Yu

Meshing for finite element analysis accuracy plays a very important part in numerical simulation of Periodic Symmetric Struts Support (PSSS). Different accuracy can be obtained by different element sizes or types. Three element types and eight element sizes are used for comparing the accuracy of modal analysis in this paper. Comparing with the mutual relations of different accuracy, the scientific basis is provided for selecting the correct mesh size and improves the efficiency of numerical calculation in modal analysis.


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