利科有限元分析软件开发

Development of finite element analysis software LinkFEA

针对现有的通用CAE分析软件不能满足水工结构和岩土工程领域数值分析的需求,国内外还没有一款功能较完备的水工结构和岩土工程通用的CAE软件的问题,开发出面向水工结构和岩土工程设计、咨询、科研与高等教育的专业有限元分析软件——利科有限元分析软件(LinkFEA).计算模块的设置主要满足该领域中坝、闸、隧道和地下洞室、各类岩质土质边坡等中的渗流场、温度场、应力场(或位移场)及这3个场之间的耦合计算和结构安全性分析需求.前处理模块的功能有几何建模、有限元网格生成以及材料参数、载荷、初始条件和边界条件的设定等;后处理模块包括强度分析、渗透稳定性分析、边坡稳定分析和洞室围岩稳定性分析等,有限元计算结果和分析结果都能以等值线图或云图显示.LinkFEA已经过国内多个工程的渗流和应力(变形)计算的检验.

General CAE software does not meet well the requirements of the design of hydraulic structure and geotechnical engineering, and there is not yet a featured common hydraulic structure and geotechnical engineering CAE software. As a professional software in finite element analysis, LinkFEA is developed for the design, consultation, research, and higher education of hydraulic structures and geotechnical engineering. The modules of numerical computation are mainly focused on the calculation of the fields of seepage, temperature, stress （or displacement）, the coupling of these fields and structural safety design in the domain of hydraulic structures and geotechnical engineering, such as dam, lock, tunnel, underground cavern, and rock or soiI slope. The functions of pre-process module are geometric modeling, finite element meshing, and settings of material parameters, load, and initial and boundary conditions. The functions of post-process module are the analysis of strength, seepage stability, slope stability and stability of surrounding rock of caverns. All the results of finite element computation and analysis can be outputted by isograms or nephograms. LinkFEA has been used in the seepage and stress （ or deformation） analysis of several projects in China and achieves good performance.