本工作采用试验与数值模拟相结合的研究方法，对玻璃纤维增强聚丙烯系列材料的成型收缩率进行了深入研究。
Therefore, the shrinkage of the glass fiber reinforced polypropylene specimens prepared by injection was investigated with the combination of the experiments and the simulation.
结果表明：数值模拟技术为复合材料成型工艺优化提供了可行方法。
The results show that simulation technology gives a credible method for composite processing optimization.
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