本方法简单，适合工程应用。
The method is simple and suitable for engineering application.
提出了夹板的有限元计算模型和一个适合工程应用的简化计算模型。
A finite element computing model and a simplified computing model for practical engineering purpose are presented.
实践表明，这种外挂物有限元模型是适合工程应用的简洁明了的模型。
It has been shown that this model is a simple and available to application in engineering.
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