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- W2368839172 abstract "Since the complicacy of practical seepage problem effected by various random factors,the three-dimensional simulation and analysis for stochastic seepage field has an important meaning in engineering applications.The three-dimensional anisotropic heterogeneous steady random seepage model and designed program are developed on the basis of finite element method.A statistical analysis of stratum soil characteristics and geological columns sampled from the main embankment of Yangtze River in southern Jingzhou zone of China is carried based on practical engineering projects.The statistical hypothesis of Gaussian probability distribution for random permeability tensors of soils to be submitted into the stochastic seepage field simulation was verified that this assumption would be accepted by the statistical testing based on Kolomogorov-Smirnov theory.Various statistical characteristics and random natures in random seepage fields of the main embankment of Yangtze River in southern Jingzhou zone of China were investigated by numerical analysis for stochastic seepage fields simulations using three-dimensional finite element method as well as the rationality of simulated stochastic results;and the developed model was also examined through statistical testing.Especiallyt,he random variation of upstream and downstream water levels as a stochastic boundary condition was considered for the three-dimensional finite element model of practical analysis of the random seepage field simulations in order to describe disturbed effects of the boundary randomness due to variability of downstream and upstream water levels over variability of simulated results presented by vector series of the random seepage field.Furthermore,the functions of some safeguards to set up against the seepage problem,such as sheet-pile breakwater and catch-water,as the turbulence of complex boundary condition together with the effects of variability of soil permeability have been analyzed for description of influences on the hydraulic potential distributed in the random seepage field and compared with the result obtained by analyzing the corresponding steady seepage field problem.That presents the necessity,feasibility and practicability of employing stochastic studies in seepage field problems.The developed method provides a more detail and full stochastic algorithm to characterize and analyze three-dimensional random seepage field problems.The conclusion of simulated analysis is reliable in comparison with pertained stochastic checking and measured data from practical engineering." @default.
- W2368839172 created "2016-06-24" @default.
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- W2368839172 date "2007-01-01" @default.
- W2368839172 modified "2023-09-27" @default.
- W2368839172 title "THREE-DIMENSIONAL RANDOM SEEPAGE FIELD ANALYSIS FOR MAIN EMBANKMENT OF YANGTZE RIVER" @default.
- W2368839172 hasPublicationYear "2007" @default.
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