By using the linear independent solutions of the linear variational equation along the homoclinic loop as the demanded local coordinates to construct the Poinca
On the basis of Terzaghi's one-dimensional consolidation theory, the variation of effective stress ratio in layered saturated soils with impeded boundaries
In many practical structures,physical parameters of material and applied loads have random property.To optimize this kind of structures,an optinum mathematical
The initial layer phenomena for a class of singular perturbed nonlinear system with slow variables are studied. By introducing stretchy variables with different