应力计算结果得出焊接件中只有数兆帕的拉应力。
The internal stress of the joined materials was only several MPa according to the result of calculation.
离散化采用二次等参插值，对应力计算结果作了取近似平均值处理，精度显著提高。
The quadratic isoparametric interpolation is adopted in discretization. An approximate averaging method is proposed to smooth out the boundary stresses and more accurate results are thereby obtained.
算例结果表明，应用该模型可以获得较为准确合理的接触面湿度场及干缩应力计算结果。
The example shows that quite reasonable calculation results of humidity field and shrinkage stress of interface can be obtained by the model.
应用推荐