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Server vibration analysis and vibration design

Author: HuTao
Tutor: DuPingAn
School: University of Electronic Science and Technology
Course: Mechanical Manufacturing and Automation
Keywords: Modal Analysis Modal test Printed circuit board Sensitivity Anti-vibration Design
CLC: TP393.05
Type: Master's thesis
Year: 2011
Downloads: 37
Quote: 1
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Abstract


Server computer as a client computer network provides a variety of services , high availability , stability is an important factor to judge its overall performance , and vibration performance is a measure of the reliability of the main indicators of electronic equipment . Therefore , the vibration characteristics of the server and anti-vibration design is an important part of the server design process . IBM X3550 server object of study , the structure modal analysis based on ANSYS Workbench software research methods to study the vibration characteristics of the server and anti-vibration design , provides an important reference for the initial design and structural optimization of server architecture . This paper studies the content as follows: ( 1 ) to study the surface of the sheet metal structure modeling , components and small parts handling , the complex assembly modeling method , considerations of meshing several key links , the establishment of printed circuit board and the whole of the final model and numerical simulation analysis . ( 2 ) study the the modal test the method . This paper is based on the transient analysis , assisted by steady-state analysis to filter out the right frequency value method to test printed circuit board to the server , and summed up by comparing the experimental and simulation results , a reasonable and efficient modeling method . ( 3) study the modal sensitivity of the printed circuit board design and geometrical parameters . Through theoretical analysis to draw parameters with the natural frequency of the theoretical formula to provide the theoretical basis of the sensitivity analysis . Through simulation analysis to verify the derivation formula , derived distribution of the sensitivity of various parameters , and to provide a basis for structural optimization . ( 4) server anti-vibration design program . Obtained components anti- vibration design method and its impact , increasing the fixed point and strengthen the tendons and fasteners on the printed circuit board and chassis vibration analysis , vibration locking design and measures , in addition to the chassis go harmonic decoupling and chassis backplane anti- vibration design method also conducted some research and concluded a comprehensive anti- vibration design law .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > Network equipment
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