CAJ | 학술논문

在Biot波动理论及饱和多孔热弹性波动理论基础上，引入三个松弛因子，建立了广义饱和多孔热弹性波动理论。通过对SV波在界面上的反射问题进行分析，得到了p1、p2、T及S波反射系数表达式，并利用算例对比分析了基于广义饱和多孔热弹性波动理论（G-TE）与L-S、G-L热弹性波动理论的SV波界面上反射系数的差异，讨论了松弛因子对反射系数的影响。结果表明：G-TE理论、L-S理论、G-L理论模型对p1、p2、S波反射幅值计算结果有较大的影响，且影响规律各不相同。松弛因子对p2波的影响较大，对p1波和S波的影响较小。
재Biot파동이론급포화다공열탄성파동이론기출상，인입삼개송이인자，건립료엄의포화다공열탄성파동이론。통과대SV파재계면상적반사문제진행분석，득도료p1、p2、T급S파반사계수표체식，병이용산례대비분석료기우엄의포화다공열탄성파동이론（G-TE）여L-S、G-L열탄성파동이론적SV파계면상반사계수적차이，토론료송이인자대반사계수적영향。결과표명：G-TE이론、L-S이론、G-L이론모형대p1、p2、S파반사폭치계산결과유교대적영향，차영향규률각불상동。송이인자대p2파적영향교대，대p1파화S파적영향교소。
Based on the Biot’s wave theory and thermoelastic theory for saturated porous medium,three relaxation factors were introduced and the generalized thermoelastic theory for saturated porous medium was developed.Reflection of SV waves on the surface of the plane was used to analyze the influence of relaxation effect on the reflection,and the expressions of the reflection coefficient for the p1 wave,p2 wave,T-wave and S-wave were derived.Numerical results were obtained and used to discuss the difference of reflection amplitude for four kinds of reflection waves among the generalized thermoelastic theory G-TE,L-S theory,and G-L theory.The effect of the relaxation time factors was also discussed.It is indicated that there is apparent effect of G-TE,L-S theory,and G-L theory on the results and it is different from p1 wave,p2 wave and S-wave.In addition,there is greater effect of relaxation time on p2 wave,and less effect on p1 wave,and the effect can be omitted on the S wave.