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tadd scaling - sphere - GPU-based 3D discrete element method algorithm with opt… |
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git clone git://src.adamsgaard.dk/sphere |
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LICENSE |
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--- |
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commit c2fbc76fd859097a117a2743bc56c7bc4fbff74d |
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parent 21f1894e7c4390b1b3c1856bd7510ecda586c1e3 |
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Author: Anders Damsgaard <[email protected]> |
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Date: Mon, 1 Sep 2014 10:57:33 +0200 |
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add scaling |
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Diffstat: |
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M python/capillary-cohesion2.py | 35 +++++++++++++++++++----------… |
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1 file changed, 22 insertions(+), 13 deletions(-) |
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--- |
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diff --git a/python/capillary-cohesion2.py b/python/capillary-cohesion2.py |
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t@@ -23,22 +23,29 @@ cube = sphere.sim('cube-init') |
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cube.readlast() |
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cube.adjustUpperWall(z_adjust=1.0) |
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+# shrink particles to new mean radius and resize domain |
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+r_mean = 0.001 |
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+r_mean_old = numpy.mean(cube.radius) |
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+scale_fractor = r_mean/r_mean_old |
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+cube.radius *= scale_factor |
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+cube.L *= scale_factor |
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+ |
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# Fill out grid with cubic packages |
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grid = numpy.array(( |
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- [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
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- [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
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- [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0], |
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- [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0], |
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- [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0], |
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- [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0], |
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- [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0], |
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- [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0], |
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- [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0], |
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- [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0])) |
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+ [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
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+ [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
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+ [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0], |
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+ [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0], |
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+ [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0], |
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+ [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0], |
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+ [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0], |
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+ [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0], |
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+ [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0], |
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+ [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0])) |
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# World dimensions and cube grid |
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-nx = 1 # horizontal (thickness) cubes |
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-ny = grid.shape[1] # horizontal cubes |
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+nx = grid.shape[1] # horizontal cubes |
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+ny = 1 |
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nz = grid.shape[0] # vertical cubes |
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dx = cube.L[0] |
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dy = cube.L[1] |
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t@@ -53,7 +60,7 @@ for z in range(nz): |
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for y in range(ny): |
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for x in range(nx): |
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- if (grid[z,y] == 0): |
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+ if (grid[x,z] == 0): |
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continue # skip to next iteration |
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for i in range(cube.np): |
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t@@ -65,6 +72,8 @@ for z in range(nz): |
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sim.checkerboardColors() |
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sim.defaultParams(capillaryCohesion=cohesion) |
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+sim.k_n[0] = 1.0e6 |
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+sim.k_t[0] = 1.0e6 |
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sim.g[2] = -10.0 |
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sim.run(device=device) |
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