The space finite element analysis indicated that the prestressed concrete box girder's stress and the distortion are sensitive to the change of gradient of temperature pattern.
空间有限元分析表明，预应力混凝土箱梁的应力和变形对温度梯度模式的变化较为敏感。
Based on the force behavior of joist of large-span prestressed space frame system, space finite element analysis of prestressed beam-slab system is carried out by using ANSYS software.
针对大跨度预应力空间框架体系托梁受力复杂的特点，采用ANSYS软件进行了预应力梁板体系的空间有限元分析。
Aiming at sheet space structure system, the finite element method in quantitative analysis about contact problem is studied in this thesis.
针对板片空间结构这一结构形式，研究了接触问题定量化分析的有限元方法。
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