| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for predicting elastic responsiveness of a rubber product by using finite element analysis (FEA), and a design method for the rubber product using the predicting method. SOLUTION: In the elastic responsiveness predicting method for predicting elastic responsiveness of a rubber product by using finite element analysis (FEA), the elastic responsiveness of the rubber product is predicted by using a constitutive equation indicating temperature and strain dependency of an elastic modulus of a rubber material composing the rubber product, and a constitutive equation indicating temperature and strain dependency of strain energy. It is preferable that the following mathematical expression I is used as the constitutive equation indicating the temperature and strain dependency of the elastic modulus, and it is preferable that the following mathematical expression II is used as the constitutive equation indicating the temperature and strain dependency of the strain energy in the mathematical expression I. The mathematical expression I is G/2=P×ä[exp(β×κ)×cosh(2β×I<SB>1</SB>)-1]/[exp(β×κ)×cosh(2β×I<SB>1</SB>)+1]}+Q×(T/ΔT)×δS/δI<SB>1</SB>. The mathematical expression II is A=-(1/β)×log [2×e<SP>β×T×S</SP>äe<SP>β×κ</SP>cosh(2×β×I<SB>1</SB>)}+1]. The symbolδ/δ<SB>I1</SB>in the mathematical expression I indicates an operator of partial differentiation with respect to I<SB>1</SB>. COPYRIGHT: (C)2006,JPO&NCIPI
|
