The temperature and stress field of wagon wheel under the condition of long ramp way cycle braking in Daqin line have been simulated by using FEM and axial symmetry model.
采用轴对称模型和有限元方法，模拟了大秦线长大坡道循环制动条件下货车车轮温度和应力场，结果表明车轮高应力区出现在辐板上，现行制动条件下车轮强度满足使用要求。
Based on theories of computational fluid dynamics and heat transfer, an axial symmetry finite element model of velocity and temperature field of spot welding for aluminum alloy is established.
根据计算流体力学与传热学原理，建立了描述铝合金电阻点焊液态熔核流动行为和传热过程的轴对称有限元模型。
In this article we simplify turbine supercharger impeller as a model, which was jointed of axial symmetry entity elements and plane shell elements, for finite elements analysis (FEA).
利用循环对称条件，将增压器叶轮简化为由实体单元与平面壳体单元组合而成的有限元分析模型。
The model about performance analysis of seal which is 3D is put forward on the basis of lucubration, and hydrokinetics model of static axial symmetry is established.
简要介绍了刷密封的历史和应用前景，并在深入研究的基础上，总结和提出了刷式密封准三维的性能分析模型，建立了静态轴对称的流体动力学模型。
Separation Model: Series-wound mode, parallel-plane symmetry mode and parallel-axial symmetry mode are defined to form Separation Model;
级间分离段模型：建立面对称并联式分离、轴对称并联分离和串联式分离；
Separation Model: Series-wound mode, parallel-plane symmetry mode and parallel-axial symmetry mode are defined to form Separation Model;
级间分离段模型：建立面对称并联式分离、轴对称并联分离和串联式分离；
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