SummationByParts/multigrid/examples/interpolation.json

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{
"grids": {
"default": {
"operators": {
"xi": "upwind9",
"eta": "upwind9"
}
},
"grid0": {
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"x": { "linspace": { "start": -5, "end": 5, "steps": 50 } },
"y": { "linspace": { "start": 0, "end": 5, "steps": 25 } },
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"boundary_conditions": {
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"south": {"interpolate": { "neighbour": "grid1", "operator": "9"}}
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}
},
"grid1": {
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"x": { "linspace": { "start": -5, "end": 5, "steps": 99 } },
"y": { "linspace": { "start": -5, "end": 0, "steps": 50 } },
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"boundary_conditions": {
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"north": {"interpolate": { "neighbour": "grid0", "operator": "9"}}
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}
}
},
"integration_time": 2.0,
"initial_conditions": {
"vortex": {
"vortices": [{
"x0": -1.0,
"y0": 0.0,
"rstar": 0.5,
"eps": 1.0
}],
"mach": 0.5
}
},
"boundary_conditions": "initial_conditions"
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}