Programme On Visualization Analysis For Stability Of Arch Dam Abutment

With development of computer science, the analytic method of stability of arch dam abutment is more and more diversification. The stability of arch dam abutment is important prerequisite of stability of arch dam, so it becomes an important research subjects. In this paper, author has a summary to method of stability of arch dam abutment, research method of limited rigid body equilibrium and nonlinear FEM simulation analysis for arch dam designs based on ANSYS.Because of limit that invisibility and discommodious in anciently program, based on the method of limited rigid body equilibrium, using visual program language VB and connect AutoCAD, realize plane and solid programme of abutment analysis of arch dam, provide alternation interface for designer.Presently, our country constructing and will construct high 300m arch dam, it is important to judge security based on nonlinear FEM analysis. Basic theory of nonlinear FEM analysis and its realization in ANSYS were studied. Accomplish stability analysis of high arch dam abutment based on nonlinear FEM analysis. For the engineers, applying the general international construction calculation software, solving stability analysis problem, provides a usage calculation project.Finally, take xiaowan arch dam for example, create modeled and FEM simulation analysis was performed, analyse the stress and displacement of the body and abutment of the dam and the infection of the faultage on the body of the dam under the normal work state Analysis margin of security to dam bedrock in method of reduce intensity of dam bedrock.