Simulation method for estimating performance of product made...

Details Simulation method for estimating performance of product made... Simulation method for estimating performance of product made...

2005-08-02

2005-08-02

Noland, Thomas P. (Department: 2856)

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

C073S012020, C073S804000

Reexamination Certificate

active

06925416

ABSTRACT:
A simulation method of estimating performance of a product made of a viscoelastic material, comprising the steps of measuring a value of a strain, a strain speed, and a stress generated in viscoelastic material momently in a measuring condition equivalent to a state in which the product is actually used; deriving time history data of a viscosity resistance of the viscoelastic material separately in each of a strain increase state and a strain decrease state from time history data of the strain, the strain speed, and the stress and a viscoelastic model set in consideration of a viscosity of the viscoelastic material; setting the product as a product model whose performance is analyzed and inputting a relationship among the strain, the strain speed, and the viscosity resistance to the product model to conduct a simulation in consideration of a phenomenon that the viscosity resistance changes in dependence on a variation of the strain and the strain speed and in consideration of a difference in the viscosity resistance between a strain increase state and a strain decrease state.

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