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Dear Mikael,
I'm constructing a decoupling algorithm for a Cahn-Hilliard Navier-Stokes system.
$$
\phi_t + \nabla\cdot({\bf u}\phi) = M \Delta \mu,$$
$$
\mu = \lambda(-\Delta \phi) + f(\phi))…
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## Summary
The result of the rendered stokes vector is not as expected (there is a rectangle with "linearly polarized" material in front of the camera)
## System configuration
System informat…
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benchmarks/newton_solver_benchmark_set/spiegelman_et_al_2016 diverges
```
*** Timestep 1: t=5.86784e+12 seconds, dt=5.86784e+12 seconds
Skipping temperature solve because RHS is zero.
Sol…
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When gravity is switched off, the free surface no longer moves when using the vertical surface velocity projection. This is because the local vertical direction is determined using the gravity. As @ga…
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Run_iclean : If you supply “ mask=’auto-multithresh’ “ by mistake, instead of “usemask=’’’’, it does not detect this error until *after* it completes the first major cycle. It exits with an error, …
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Hello,
What are the difference between the functions `GetDivergence1` and `GetDivergence2` in `MultiGridOctreeData.System.inl`?
`GetDivergence1` and `GetDivergence2` refer to the inner product …
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## Summary
This RFC is to propose the Semi-Implicit two-phase solver in branch `solver/two-phase-semiimplicit`. The solver utilized semi-implicit Chorin's projection scheme which is mainly to be us…
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Running the following code in parallel
```py
from firedrake import *
mesh = PeriodicIntervalMesh(3, 1)
mh = MeshHierarchy(mesh, 3)
```
raises the exception
```
(firedrake) [connor@elit…
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Hi,
I’m trying to save the 2D vector field from Stokes problem. However, no matter how I do it u2 and u1 are exactly the same. Weirdly, plot(u1) and plot(u2) still show correctly different values. …
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Function `lf()` in refinegrains.py has some problems.
- you cannot compute it without the position of the grain
... so it must come after indexing and per grain/voxel
- do you use it for rec…