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用计算机来模拟和预测复合材料结构的破坏过程是目前国际上一个比较热门的研究方向，也具有极其重要的实用价值。本文对逐渐破坏模型的基本思想以及国际上在这一领域的研究现状作了比较详细的介绍。在此基础上，文章详细介绍了作者在研究复合材料脱层问题时，开发出的两类用于预测复合材料脱层破坏过程的界面单元：非线性弹簧界面元和六节点界面单元，文章提供了大量理论预测与试验结果相吻合的例子，证明用计算机来模拟复合材料结构的破坏过程是完全可行的。
Computer simulation and prediction of the destruction process of composite structures is a hot research field in the world and also has extremely important practical value. This article gives a more detailed introduction to the basic idea of gradually undermining the model and the current international research status in this field. On this basis, the author introduces in detail two types of interface elements developed by the author for the study of delamination of composite materials: nonlinear spring interface elements and six-node interface elements A large number of theoretical predictions and experimental results coincide with examples that prove that the use of computer simulation of the destruction of composite structures is entirely feasible.