METHOD FOR ESTIMATING RELATION BETWEEN ELEMENT DISTORTION AND ANALYTIC ERROR, METHOD FOR ESTIMATING ANALYTIC ERROR, METHOD FOR NUMERICAL ANALYSIS, AND COMPUTER PROGRAM FOR CARRYING OUT THE METHODS

PROBLEM TO BE SOLVED: To quantitatively estimate analytic errors made in an analysis result based on a finite element method due to the geometric distortion of an element used for analyzing the deformation of an object by the finite element method while approximately expressing the shape of the obje...

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Hauptverfasser:	SEKIGUCHI MINAKO, UMETANI HIROYUKI, KIKUCHI NOBORU, YAMAOKA HIROO
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
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creator	SEKIGUCHI MINAKO UMETANI HIROYUKI KIKUCHI NOBORU YAMAOKA HIROO
description	PROBLEM TO BE SOLVED: To quantitatively estimate analytic errors made in an analysis result based on a finite element method due to the geometric distortion of an element used for analyzing the deformation of an object by the finite element method while approximately expressing the shape of the object. SOLUTION: A deformation mode (a deformation mode value j in S201) generated to the element when the object is deformed is assumed as at least one of tension, bending, shearing and torsion, and the analytic error caused by the distortion is estimated as a strain energy error Ee on each assumed deformation mode, in relation to an aspect ratio A, a degree of warp W, a degree of inclination S, and a degree of trapezoid T, which are the distortion of the element (S202-S208). COPYRIGHT: (C)2005,JPO&NCIPI
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title	METHOD FOR ESTIMATING RELATION BETWEEN ELEMENT DISTORTION AND ANALYTIC ERROR, METHOD FOR ESTIMATING ANALYTIC ERROR, METHOD FOR NUMERICAL ANALYSIS, AND COMPUTER PROGRAM FOR CARRYING OUT THE METHODS
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