Visualization Modeling And FEM Simulation Analysis Of Arch Dam On Complex Foundation

It is the important research subject in arch dam design and analysis currently that modeling rapidly and accurately in arch dam FEM analysis in condition of complex landform and geology, the research of cracking mechanism of arch dam and nonlinear simulation analysis. In this paper, the analysis means of arch dam on complex foundation are summarized and contrasted, the visualization means and actualization technique in FEM analysis means are analyzed and studied, the visualization FEM analysis of arch dam system based on AutoCAD and interface program with ANSYS are developed, parameterized modeling of arch dam system in ANSYS is developed and combining project example, FengLe double arch dam is analyzed by 3-D FEM simulation analysis means.At first, the visualization theory is studied and a new method of arch dam FEM modeling visually and the technique of actualize are raised. Then a suit of visualization FEM analysis system of arch dam on AutoCAD is developed by VBA technique. The arch dam on complex foundation can be modeled and researched conveniently and efficiently by it.The secondary developing technique of ANSYS is studied afterwards, parameterized modeling of arch dam system is developed and the interface program of CAD and ANSYS is exploited, which realize the information sharing of mesh node, element, material properties, real constants and boundary condition of FEM model in AutoCAD and ANSYS and the rapid simulation analysis of arch dam on complex foundation.Then, the theory and method of arch dam FEM simulation analysis and the simulation modeling in simulation analysis and the technique of actualize in ANSYS are researched. The cracking mechanism of arch dam is studied, the three fracture models in common use in FEM analysis are analyzed and the fracture modeling technique of cracking analysis in ANSYS and the cracking theory of concrete are researched. As an project example, the cracking mechanism of FengLe arch dam is researched and its cause of cracking is analyzedAt last, FengLe double arch dam is modeled visually and 3-D FEM simulation analyzed, the simulation modeling of actually loading in process of arch dam construction is actualized and the stress and displacement rule of actuality dam and reinforced dam in different fact is calculated and analyzed, the reinforced scheme is judged in general...