... 6.3.1、旋转截面（ROt SurFACE） 6.3.2、管状曲面（PIPE SurFACE） 6.3.3、拉伸截面（ExtruDED SurFACE） 6.3.4、偏移曲面（OFFsEt SurFACE） ...
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介绍了影响聚合釜封头试样拉伸性能的因素：取样部位、取样方向和取样数量及试样的横截面形状。
Factors influencing the tensile strength of polymerizer head sample were introduced, which included the sampling position, sampling direction, sampling quantity and the cross section shape of sample.
首先生成二维网格基面，选取三维场域的最复杂截面进行二维剖分，然后再将二维网格拉伸成三维网格。
A double-dimension grid is formed first, then the choosing complicated cross section is analyzed and last the three-dimension grid is formed by stretching the double -dimension grid.
测定了截面的残余应力，进行了拉伸试件试验、短柱试件试验以及中、长柱试件试验。
The residual stresses were measured and tension coupon tests, stub column tests as well as tests of medium and long columns were conducted.
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