...金法(EFGM)基本原理,并将其应用于非均质多孔介质中的稳定地下水流问题,用具体算例将无网格伽辽金法计算结果与传统有限元法(LFEM)计算结果作比较,计算表明 ..
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与传统的有限单元法和常用的时间积分法相比，时空有限元在精度和稳定性方面具有一定的优越性。
Compare to the conventional finite element method and common-used time integration methods, the space-time finite element method has some advantages in precision and stability.
采用特殊土单元法考虑水流冲刷作用，避免了传统有限元程序计算中一些复杂、繁琐的工作。
The special soil element method, which avoids some complex work in traditional methods, is supported in this paper to consider the action of current scour.
计算结果表明，QR法未知量数目少，避免了有限元、有限条法等传统方法的不足，且与有限元、有限条法分析结果基本一致。
Results show that QR-method have fewer unknown quantities, avoids the shortcomings of traditional method such as finite elements and finite strip method and the results are consistent.
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