SummationByParts/multigrid/examples/tsection.json

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{
"grids": {
"default": {
"operators": {
"xi": "upwind9",
"eta": "upwind9"
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},
"boundary_conditions": {
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"south": "vortex",
"north": "vortex",
"east": "vortex",
"west": "vortex"
}
},
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"grid0": {
"x": { "linspace": { "start": -5, "end": 5, "steps": 101 } },
"y": { "linspace": { "start": 0, "end": 5, "steps": 50 } },
"boundary_conditions": {
"south": { "multi": [{"neighbour": "grid1", "start": 0, "end": 61}, {"neighbour": "grid2", "start": 0, "end": 41}] }
}
},
"grid1": {
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"x": { "linspace": { "start": -5, "end": 1, "steps": 61 } },
"y": { "linspace": { "start": -5, "end": 0, "steps": 50 } },
"boundary_conditions": {
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"north": { "multi": [{"neighbour": "grid0", "start": 0, "end": 61}] },
"east": { "neighbour": "grid2" }
}
},
"grid2": {
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"x": { "linspace": { "start": 1, "end": 5, "steps": 41 } },
"y": { "linspace": { "start": -5, "end": 0, "steps": 50 } },
"boundary_conditions": {
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"north": { "multi": [{"neighbour": "grid0", "start": 60, "end": 101}] },
"west": { "neighbour": "grid1" }
}
}
},
"integration_time": 2.0,
"vortex": {
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"vortices": [{
"x0": 0.0,
"y0": 0.0,
"rstar": 0.5,
"eps": 1.0
}],
"mach": 0.5
}
}