The model of interaction effect, including pipingsoilanchorage, has been built by analyzing the forces exerted on buried piping elbow with FEM.
采用有限元法分析埋地管道弯头附近固定墩受力情况，建立了管道-土-固定墩相互作用模型。
The mathematic model is a groundwork of autonomous navigation strategy design and relevant structure design of pipeline robot in elbow.
所提出数学模型是管道机器人弯道自主行走控制策略设计和相应结构设计的理论基础。
Using software PRO-E to build the model of the impeller, diffuser with blade, entering air elbow, volute.
用PRO - E软件对进气弯管，带分流叶片的叶轮及有叶片扩压器进行了实体建模。
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