viscoelastic solutions with applications to semi-infinite soil subjected to vertical force 竖向力作用在粘弹性土体内部时的解答与应用
Using elastic-viscoelastic correspondence, the viscoelastic solutions are obtained by inversion of laplacian transform 利用对应原理,经过反变换得到粘弹性力学解答。
Thirdly, a simplified model neglecting the radial displacement of saturated soil is established and an analytical solution for vertical vibration of the soil-pile system is obtained . by comparison the solution with available viscoelastic solution, the differences are illustrated as well as its applications 3、建立了饱和土中忽略径向运动影响的简化模型,得到简化模型下桩土纵向耦合振动解析解,并与考虑径向运动影响的模型及胡昌斌的模型加以比较,分析了几种模型的异同及适用性。
Constants of viscoelastic material described by prony series constitutive relation are deduced . for the case of interface crack in viscoelastic material infinite board under the load of mixed type 1, 2 and type 3 respectively, laplace transform is used to change the basic equations from time domain to frequency domain . according to the corresponding principle, viscoelastic solution can be obtained by substituting the viscoelastic constant into elastic one 对本构关系由prony级数描述的含界面裂纹的双粘弹性材料无限大板,分别研究了受、型混合外载及型外载的情况,用laplace变换将其时域基本方程变换到频域,根据对应原理,将粘弹性常数代入弹性解,得到频域中的粘弹性解。