中小跨度混凝土梁式桥快速建模计算关键技术

Key Technologies of Rapid Modeling and Calculating Small and Medium- span Bridge Concrete Beam Bridge

为了快速建立现场实测桥梁的有限元模型,基于建立中小跨度混凝土梁式桥通用模型所需的数据、约束及荷载的施加方法,建立了桥梁通用模型;以工字梁桥为例,探讨了参数修改关键技术,通过现场实测数据建立了实桥模型并完成加载;开发了后台调用ANSYS和结果查看技术,以实现调用ANSYS进行计算,生成结果文件,并查看计算结果。

In order to fast establish the finite element model of the actual bridge, this paper introduced the data to modeling generic model of small and medium-span bridge concrete beam bridge, and the method of applying constraint and load, then established generic model ; Second, taking the joist bridge as an example, it introduced the technology of parameter modif- ying, established the real bridge model and applied the load by actual data, it introduced the technology of invoking ANSYS background and viewing results, by which we could invoke ANSYS to calculate, generate results files and view the results.