In this paper we consider the nonlinear stability of a thin elastic circular shallowspherical shell under the action of uniform normal pressure with a clamped e
A series boundary integration method is given which exactly satisfies the fundamentalequation of bending analysis of general anisotropic plates or laminated pla
In this paper,the fuzzy theory is used to describe the uncertainty in failure definition ofcomposite structures.The concept of structural failure level(SFL)is s
Boundary element-linear complementary equations are formulated to solve elasticcontact problems with Coulomb frictions.It is also a new attempt to solve free bo
In[1],the exact analytic method for the solution of differential equation with variablecoefficients was suggested and an analytic expression of solution was giv
In this paper,a set of variational formulas of solving nonlinear instability critical loadsare established from the viewpoint of variational principle.The paper