Finite-element equation of viscoelastic wave is derived from viscoelastic theory.
本文根据粘滞弹性理论导出粘滞弹性波有限元运动方程，研制成功有限元粘滞弹性波VSP地震模型程序，并对砂岩透镜体粘滞弹性波模型进行正演计算，获得了满意的结果。
According to the least square criterion of minimizing the misfit between modeled and observed data,this paper provides a preconditioned gradient method to find the visco-acoustic velocity structure on the basis of using sparse matrix LU factorization technique to directly solve the visco-acoustic wave forward problem in space-frequency domain.
在用稀疏矩阵的LU分解技术对频率域粘弹性声波方程进行直接求解的基础上,根据失配函数二范数最小准则,用预条件梯度类方法对粘弹性声波介质的速度结构进行了逐频反演。
3D frequency and space domain amplitude-preserved migration with viscoelastic wave equations;
三维F-X域粘弹性波动方程保幅偏移方法
Simulation and Inversion of Wave Equation in Viscoelastic Media;
粘弹性波动方程正演模拟与参数反演
Visco-acoustic transmission waveform inversion for velocity structure in space-frequency domain
频率域粘弹性声波透射波形速度反演
NUMERICAL SIMULATIONS FOR WAVE PROPAGATIONS IN 2D VISCOELASTIC MEDIA
二维粘弹性介质中波动传播数值模拟
Simulation of viscoelastic heat during ultrasonic welding of thermoplastics
超声波塑料焊接粘弹性热的仿真计算
REFLECTION AND TRANSMISSION OF ELASTIC WAVES AT A VISCOUS BOUNDARY
平面弹性波在粘性界面上的反射与透射
Wavefield Simulation with the Pseudo-Spectral Method in Anisotropic Viscoelastic and Porous Media;
各向异性粘弹性孔隙介质伪谱法波场正演模拟
Study for the Viscoelastic Properties of Solids with Transient Wave Propagation Methods;
基于应力波传播理论的粘弹性材料特性研究
Computational Simulation and Experimental Research on the Wave Propagation in Viscoelastic Bar;
粘弹性杆中波传播的数值模拟和实验研究
Wave Field Modeling in Viscoelastic Anisotropic Media and Reservoir Information Study;
粘弹各向异性介质波场模拟与储层信息研究
Longitudinal Waves Propagation in Semi-infinite Bars Described by Fractional Derivative Viscoelastic Model
分数导数粘弹性半无限长杆中纵波的传播
Blow up and Existence to a Wave Equation with Source, Damping and Viscoelastic Terms
具有源项、阻尼项和粘弹性项波动方程解的爆破性和全局存在性
Time-Periodic Solutions and Traveling Wave Solutions to the Three-Dimensional Nonlinear Viscoelastic Dynamic System;
三维非线性粘弹性动力学方程组的时间周期解和行波解
Reflection of transvers waves on liquid-saturated visco-elastic porous medium;
流体饱和标准线性粘弹性多孔介质中平面横波的反射
The Action of Depleted Layer Effect and Viscoelastic Effect on Polymer Sweep Coefficient;
衰竭层效应和粘弹性效应对聚合物波及系数的作用研究
Flow of Viscoelastic Polymer in Undulating Tube and Its Effect on Residual Oil;
粘弹性聚合物溶液在波纹管中的流动及对残余油膜的驱替机理
An Instantaneous Elastic Constitutive Relation for Nonlinear Viscoelastic Materials;
非线性粘弹性材料的一个瞬时弹性本构关系
Viscoelastic Property of Viscose Blend Solution and the Structure and Property of Fiber Prepared from It
共混粘胶的粘弹性及其纤维的成形结构和性能
Simulation and Verification of Viscous and Viscous-Spring Artificial Boundary Based on Nastran
基于Nastran的粘性和粘弹性人工边界的模拟与验证