Some improvement of VCFEM are proposed, such as, selection of appropriate stress functions, appropriate division of integral domains and derivation of analytic solution of line integral.2.
提出了一些改进方法:应力函数的适当构造;改进积分区域的划分;推导单元中线积分的解析解。
参考来源 - 颗粒增强复合材料界面脱层和热机疲劳的数值模拟·2,447,543篇论文数据，部分数据来源于NoteExpress
The calculation example shows that the result calculated by this method is in agreement with the analytic solution.
算例表明，本方法计算结果与精确解十分符合。
These formulae can be used as an analytic solution for quickly estimating the geometric aberrations of a known deflection system and checking the related computer program.
这些公式不但可用来快速估算偏转象差，还可用来作为校验数字计算程序的理论模型。
Eventually, the approximate analytic solution of the optimum damping parameter is obtained to provide a simple and effective reference and design method for the engineers.
最后给出了计算最优阻尼参数的近似解析式，为工程师提供了简便有效的参考依据及设计方法。
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