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problems:calving [2017/04/12 08:50] jtodd [3D Calving] |
problems:calving [2019/10/18 10:05] (current) jtodd [3D Calving] |
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Elmer/Ice includes the ability to predict and simulate the evolution of a calving glacier in 2D and in 3D. | Elmer/Ice includes the ability to predict and simulate the evolution of a calving glacier in 2D and in 3D. | ||
- | Both the 2D and 3D calving models implement the ' | + | Both the 2D and 3D calving models implement the ' |
+ | Any queries about calving in Elmer/Ice should be directed to [[http:// | ||
===== 2D Calving ===== | ===== 2D Calving ===== | ||
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A simple 2D calving test case can be found in elmerice/ | A simple 2D calving test case can be found in elmerice/ | ||
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+ | The 2D calving model is described in more detail in [[https:// | ||
===== 3D Calving ===== | ===== 3D Calving ===== | ||
- | The 3D calving model is significantly more complex and computationally demanding than the 2D case. A 3D test case can be found at elmerice/ | + | The 3D calving model is significantly more complex and computationally demanding than the 2D case, due to the comparative difficulty of identifying calving events in a 3D domain ([[solvers: |
- | == External Dependencies: | ||
- | gmsh installation | + | A 3D test case can be found at elmerice/ |
- | The 3D calving model is significantly more complex than the 2D model, due to the comparative difficulty of identifying calving events in a 3D domain ([[solvers:calving3d|Calving3D]]), as well as the requirement for complete | + | Recently, Joe Todd & Eef van Dongen have been working on overhauling/ |
+ | |||
+ | __External Dependencies: | ||
+ | |||
+ | GMSH - The meshing and remeshing | ||
+ | |||
+ | NETCDF - for real applications, | ||
+ | |||
+ | __Stability & Robustness__ | ||
The repeated unsupervised remeshing in the 3D calving model occasionally produces low-quality or degenerate 3D elements, which cause problems for the flow solution. Various strategies have been employed in the Remesh solver to reduce the frequency of these problematic meshes. Additionally, | The repeated unsupervised remeshing in the 3D calving model occasionally produces low-quality or degenerate 3D elements, which cause problems for the flow solution. Various strategies have been employed in the Remesh solver to reduce the frequency of these problematic meshes. Additionally, | ||
+ | |||
+ | __Typical Workflow__ | ||
{{ problems: | {{ problems: |