SummationByParts/multigrid/examples/quad.json

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{
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"grids": {
"default": {
"operators": {
"xi": "upwind9",
"eta": "upwind9"
}
},
"grid0": {
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"x": { "linspace": { "start": -5, "end": 0, "steps": 50 } },
"y": { "linspace" : { "start":0, "end" :5, "steps" :50 } },
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"boundary_conditions": {
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"south": { "neighbour": "grid1" },
"north": { "neighbour": "grid1" },
"east": { "neighbour": "grid3" },
"west": { "neighbour": "grid3" }
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}
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},
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"grid1": {
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"x": { "linspace": { "start": -5, "end": 0, "steps": 50 } },
"y": { "linspace" : { "start":-5, "end": 0, "steps" :50 } },
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"boundary_conditions": {
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"south": {"neighbour": "grid0"},
"north": {"neighbour": "grid0"},
"east": {"neighbour": "grid2"},
"west": {"neighbour": "grid2"}
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}
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},
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"grid2": {
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"x": {"linspace":{"start":0, "end":5, "steps":50}},
"y": {"linspace":{"start":-5, "end":0, "steps":50}},
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"boundary_conditions": {
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"south": {"neighbour": "grid3"},
"north": {"neighbour": "grid3"},
"east": {"neighbour": "grid1"},
"west": {"neighbour": "grid1"}
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}
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},
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"grid3": {
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"x": {"linspace":{"start":0, "end":5, "steps":50}},
"y": {"linspace":{"start":0, "end":5, "steps":50}},
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"boundary_conditions": {
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"south": {"neighbour": "grid2"},
"north": {"neighbour": "grid2"},
"east": {"neighbour": "grid0"},
"west": {"neighbour": "grid0"}
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}
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}
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},
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"integration_time": 2.0,
"initial_conditions": {
"vortex": {
"vortices": [{
"x0": -1.0,
"y0": 0.0,
"eps": 1.0,
"rstar": 0.5
}],
"mach": 0.5
}
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}
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}