Advances in environmental research

  • 제3권2호
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  • Pages.117-129
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  • 2014
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  • 2234-1722(pISSN)
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  • 2234-1730(eISSN)
테크노프레스 (Techno-Press)
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Numerical modelling of contaminant transport using FEM and meshfree method

  • Satavalekar, Rupali S. (Department of Civil Engineering, Indian Institute of Technology Roorkee) ;
  • Sawant, Vishwas A. (Department of Civil Engineering, Indian Institute of Technology Roorkee)
  • 투고 : 2014.02.19
  • 심사 : 2014.04.01
  • 발행 : 2014.06.25
⟨ 이전 논문 다음 논문 ⟩

초록

Groundwater contamination is seeking a lot of attention due to constant degradation of water by landfills and waste lagoons. In many cases heterogeneous soil system is encountered and hence, a finite element model is developed to solve the advection-dispersion equation for layered soil system as FEM is a robust tool for modelling problems of heterogeneity and complex geometries. Recently developed Meshfree methods have advantage of eliminating the mesh and construct approximate solutions and are observed that they perform effectively as compared to conventional FEM. In the present study, both FEM and Meshfree method are used to simulate phenomenon of contaminant transport in one dimension. The results obtained are agreeing with the values in literature and hence the model is further used for predicting the transport of contaminants. Parametric study is done by changing the dispersion coefficient, average velocity, geochemical reactions, height of leachate and height of liner for obtaining suitability.

키워드

참고문헌

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피인용 문헌

  1. Development a numerical model of flow and contaminant transport in layered soils vol.5, pp.4, 2016, https://doi.org/10.12989/aer.2016.5.4.263
  2. 1D contaminant transport using element free Galerkin method with irregular nodes vol.5, pp.3, 2016, https://doi.org/10.12989/csm.2016.5.3.203
  3. A comparative study of granular activated carbon and sand as water filtration media with estimation of model parameters vol.6, pp.1, 2014, https://doi.org/10.12989/aer.2017.6.1.035
  4. 1 D contaminant transport through unsaturated stratified media using EFGM vol.8, pp.1, 2014, https://doi.org/10.12989/aer.2019.8.1.001