dc.description.abstract | Abstract
Server which is a hardware device developed with the invention of the
internet. From a hardware perspective, servers are mainly divided into blade
servers, rack servers, and tower servers. However, the server is a hardware
device that operates throughout the year, so the reliability of the server is very
important. The rack-mounted server will be placed in a 42U/32U cabinet.
Therefore, the sagging amount (Sag Data) of the rack-mounted server is too
large, which will affect when the server is pulled out of the rack, causing the
lower rack-mounted server to be unable to be pulled out smoothly, resulting in
maintenance... and other problems.
The purpose of this paper is to analyze and study the sagging amount of the
rack server. Divide into eight groups of research conditions for analysis. This
research is mainly to analyze the six convex hull geometric contours through
the Pro/Engineering Creo to create the geometric Form shape and use ANSYS
analysis software to do the analysis, and obtain the geometric contour with the
smallest sagging amount from the convex hull contours. From the first group of
simulation analysis, simulation is carried out for 6 kinds of convex hull
geometric contours. As a result, it is found that the convex hull geometry
contour of Type1 has the smallest sinking amount. According to the second
group of simulation conditions, the convex hull geometry profile of Type 1 is
used to simulate and analyze with different convex hull width dimensions of
10mm/20mm/30mm. The simulation analysis results show that the minimum
sinking amount is obtained at the 20mm convex hull width dimension.
The third group of simulation conditions is to use the Type1 convex hull
geometric profile. The design pitch between the convex hulls is
25mm/35mm/45mm, the same 20mm convex hull width and the same load 47N
are used for simulation and analysis. The analysis results show that the convex
hull design spacing is 35mm, the amount of sinking obtained is the smallest.
The fourth group of simulation analysis conditions adopts the Type1 convex
hull geometric profile; the convex hull width is 20mm; the design pitch is
35mm; the convex hull height is 1.0mm/1.2mm/1.6mm. The simulation
analysis is carried out, and the convex hull height is obtained from the analysis
results. The sinking amount obtained at 1.6mm is the smallest.
The fifth group of simulation analysis conditions adopts Type 6 convex hull
geometric; the width of the convex hull is 20mm; the design pitch is 35mm; the
height of the convex hull is 1.0mm/1.2mm/1.6mm. 1.6mm has the smallest VI
amount of sinking. From the analysis result, it is known that the higher the
convex hull height, the smaller the sinking amount of chassis base.
The sixth group of simulation analysis conditions is to compare the sinking
amount of the 1.2mm chassis thickness with convex hull and 1.6mm chassis
thickness without convex hull. The analysis result shows that the sinking
amount of the 1.6mm chassis thickness without convex hull is the smallest.
The seventh group of simulation analysis mainly focuses on the simulation
analysis of Type1~Type6 subsidence under the condition that the span angle
center is coarse, medium, and fine respectively. The results show that under the
condition that the span angle center is coarse, medium, and fine respectively.
The resulting sinking amount is consistent.
Finally, from the first group to the seventh group of analysis and simulation
results, the eighth group of complete whole rack chassis sinking amount
analysis is performed, and the result is that the sinking amount of the Type1
convex hull geometric is the smallest.
The research results of this paper can provide the server designer with the
ability to select the geometric contour with the smallest sagging amount for the
design in the early stage of the design of the convex hull, so as to avoid the rack
server being unable to be drawn out smoothly due to the excessive sagging
amount. The lower rack server cannot be maintained... and other issues. | en_US |