研究结果表明预测翘曲问题最合适的方法是使用多层壳体元缩减切变模量和体积模量，计算出粘弹性GK。
The results indicate that viscoelastic-GK calculation with relaxation of shear modulus and of bulk modulus using the multilayer shell element is the most appropriate method for predicting the warpage.
随着粘弹性的增强，流体的波及体积增加，波及效率增大。
With the increasing of Weissenberg number , the swept volume and conformance efficiency are enhanced.
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