OSCILLATION ANALYSIS PROGRAM AND DEVICE

WIPO Patent Application WO/2016/190034

A1

The present invention addresses the problem of providing an oscillation analysis program which, with respect to a component which is modeled as finite elements in which phase difference accumulation characteristics and flow accumulation characteristics are distributed, is capable of analyzing the bi-directional interaction of the components with an external system in terms of flow and phase difference . This oscillation analysis program comprises: a first step 6 of importing a finite element model of a component of interest modeled with a finite element method program 4 and computing an accumulation characteristic matrix and a connection matrix; a second step 8 wherein after input 7 of an attenuation characteristic into either the accumulation characteristic matrix or the connection matrix as necessary, a phase difference/flow mode matrix and eigenvectors are calculated; and a third step 14 of importing an input phase difference /flow vector for the component of interest obtained from an external system simulator 9, carrying out a mode coordinate transform of the input phase difference/flow vector, calculating a mode vector response, and thereafter carrying out a physical coordinate transform of the mode vector.

JP2002288227	DESIGN METHOD OF ELASTIC SURFACE ACOUSTIC WAVE FILTER, AND COMPUTER PROGRAM AND RECORDING MEDIUM THEREOF
JPH07227898	PART MAKING METHOD INCLUDING BRIDGING TECHNIQUE
JP3813414	ASIC DESIGN SUPPORTING SYSTEM

TANABE YOSUKE (JP)
WATANABE MASANORI (JP)
YONEYA NAOKI (JP)

PCT/JP2016/063126

December 01, 2016

April 27, 2016

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HITACHI LTD (JP)

G06F17/50; G01H17/00

JPH0991334A	1997-04-04
JP2008224290A	2008-09-25
US8321189B1	2012-11-27

INOUE Manabu et al. (JP)
Manabu Inoue (JP)

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