Bolt connection nonlinear equivalent and vibration response calculation method

Bolt connection nonlinear equivalent and vibration response calculation method

The invention relates to a bolt connection nonlinear equivalent and vibration response calculation method, which comprises the following steps of: establishing a bolt connection equivalent model, establishing a nonlinear spring damping element on a corresponding point of a connection area of a finit...

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Hauptverfasser: SONG XINCHENG, FENG CONG, HUANG CHENZHE, LIU ZHONGYANG, LIU FANG, TIAN PENGYU, ZHOU QIANKUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator SONG XINCHENG
FENG CONG
HUANG CHENZHE
LIU ZHONGYANG
LIU FANG
TIAN PENGYU
ZHOU QIANKUN
description The invention relates to a bolt connection nonlinear equivalent and vibration response calculation method, which comprises the following steps of: establishing a bolt connection equivalent model, establishing a nonlinear spring damping element on a corresponding point of a connection area of a finite element model of a connected piece, and calculating a connection force of the nonlinear spring damping element to the connected piece; splitting the connected structure into a plurality of substructures, performing matrix partitioning on the substructures, and calculating the connecting force of the nonlinear spring damping elements participating in the connection of the equivalent connecting pieces in the substructures; a Crag-Bampton substructure method is adopted to carry out condensation on the substructures; frequency sweeping or random vibration response calculation is carried out through the condensed substructures, iterative calculation of response is carried out, and finally an amplitude-frequency respon
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Bolt connection nonlinear equivalent and vibration response calculation method
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