Journal
PROCEEDINGS OF THE 13TH INTERNATIONAL CONFERENCE ON MECHANICAL ENGINEERING (ICME2019)
Volume 2324, Issue -, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/5.0037890
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Funding
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Mitacs
- C-CORE
- Petroleum Research
- Research and Development Corporation of Newfoundland and Labrador
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Finite element modeling is widely used in civil engineering, but may face limitations in modeling certain geotechnical problems. In recent years, large deformation finite element modeling and computational fluid dynamics approaches have emerged as alternative techniques, particularly suitable for situations where the soil behaves like a fluid.
Finite element (FE) modeling is commonly used in many civil engineering applications, especially in structural and geotechnical engineering. However, many geotechnical problems, such as large-scale landslides and debris flow and their impact on infrastructure cannot be modeled using typical FE programs developed in the Lagrangian framework because of numerical issues related to extreme mesh distortion. In recent years, large deformation finite element (LDFE) modeling techniques have been developed that can minimize/avoid mesh distortion issues to some extent. An alternative modeling technique is the computational fluid dynamics (CFD) approach, which shows some advantages over LDFE modeling for some applications, especially when the soil transforms into a fluid-like state due to remolding and fluidization. This paper presents some CFD simulation results with particular applications to offshore pipelines and risers.
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