【作者】 何斌；

【导师】 张燎军；

【作者基本信息】 河海大学 ， 水工结构工程， 2004， 硕士

【摘要】 软土地基上水闸有限元分析的快速准确建模、非线性仿真分析及自动配筋设计是水闸设计和分析中的重要研究内容。本文对水闸分析方法做了系统的总结对比，研究了水闸有限元分析中的可视化方法和实施技术，开发了基于ANSYS平台的水闸参数化可视分析系统，并结合实际工程对北单庄闸进行了三维有限元仿真分析。 1．研究了有限元中的可视化理论，提出了水闸有限元可视化建模的新方法和实施技术，研究了ANSYS二次开发技术，在ANSYS平台上用APDL和UIDL等技术开发了水闸参数化可视分析系统，利用它可方便、有效地对水闸进行建模和分析研究。 2．对钢筋混凝土有限元的三种模型进行比较分析，提出了基于ANSYS的分析水闸结构的钢筋混凝土有限元模型，并对典型的简支梁进行计算，且与试验数据进行了比较。研究了在ANSYS中应力转换为内力的方法，并开发出相应的模块，可由计算得到的内力根据设计规范实现自动配筋。 3．研究了水闸有限元仿真分析理论和方法，及ANSYS软件中水闸仿真分析的仿真模型建立和实施技术，对水闸施工顺序的模拟进行研究。 4．对北单庄闸进行了可视化建模并对其进行了三维有限元仿真计算，计算分析了各种工况下水闸的应力和位移规律，比较了不同类型底板的效果，对水闸进行配筋计算分析。更多还原

【Abstract】 It is the important research subject in sluice design and analysis currently that modeling rapidly and accurately in sluice FEM analysis in condition of weak foundation, nonlinear simulation analysis of sluice and auto steel design. In this paper, the analysis means of sluice are summarized and contrasted, the visualization means and actualization technique in FEM analysis of sluice are studied, the parameterized visualization analysis system of sluice based on ANSYS is developed and combining project example, BeiShanZhuang sluice is analyzed by 3-D FEM simulation analysis means.1. The visualization theory is studied and a new method of sluice FEM modeling visually and the technique of actualize are raised. Developing technique of ANSYS is studied and the parameterized visualization analysis system of sluice based on ANSYS is developed by APDL and UIDL technique. The sluice on weak foundation can be modeled and researched conveniently and efficiently by it.2. Three FEM models of reinforced concrete are compared and studied. The FEM model of reinforced concrete of sluice in ANSYS is raised. Typical simple beam is calculated by the FEM model in ANSYS and compared with test data. The transformation method from stress to inner force in ANSYS is studied, and corresponding module is exploited, which realize auto steel design by design specification.3. The theory and method of sluice FEM simulation analysis and the simulation modeling in simulation analysis and the technique of actualize in ANSYS are researched. The simulation modeling of actually loading in process of sluice construction is actualized.4. BeiShanZhuang sluice is modeled visually and 3-D FEM simulation analyzed, and the stress and displacement rule of sluice in different fact is calculated and analyzed. The effects of different type of base plate are compared, and steel design of sluice is calculated and analyzed.更多还原