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Added: Regression test (Snail) for self-interconnection.
Replace two obsolete python scripts by a new one based on SpliPy.
1 parent 71bfb7b commit 12b9899

7 files changed

Lines changed: 194 additions & 32 deletions

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‎CMakeLists.txt‎

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Linear/RectPlate-modal.reg
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Linear/ScordelisLo-p4-4x4.reg
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Linear/ScordelisLo-symm-p4-2x2.reg
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Linear/Snail-p1.reg
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Linear/SquarePlate-Lagrange.reg
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Linear/SquarePlate-Spectral.reg
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Linear/SquarePlate-Splines.reg

‎Test/Linear/Snail-p1.reg‎

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Snail-p1.xinp
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Input file: Snail-p1.xinp
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Equation solver: 2
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Number of Gauss points: 4
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Basis function values are precalculated but not cached
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Evaluation time for property functions: 1
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Solution component output zero tolerance: 1e-06
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Parsing input file Snail-p1.xinp
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Parsing <geometry>
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Parsing <patchfile>
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Reading data file snail-p1.g2
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Reading patch 1
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Parsing <topologysets>
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Topology sets: fixed (1,1,4D)
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loaded (1,2,1D)
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Parsing <coupling>
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Parsing <patchfile>
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Parsing <topologysets>
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Parsing <coupling>
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Parsing <coupling>
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Parsed 11 nodal couplings for Patch 1 (tolerance = 0.001)
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Parsing <boundaryconditions>
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Parsing <dirichlet>
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Dirichlet code 12: (fixed)
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Parsing <neumann>
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Neumann code 1000000 direction 2: -1e+09
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Parsing input file succeeded.
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Equation solver: 2
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Number of Gauss points: 4
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Basis function values are precalculated but not cached
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Problem definition:
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Elasticity: 2D, gravity = 0 0
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LinIsotropic: E = 2.05e+11, nu = 0.29, rho = 7850, alpha = 1.2e-07
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Node sets in patch P1: 1
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"fixed": 10 \[22,31]
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Resolving Dirichlet boundary conditions
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Constraining P1 in direction(s) 12
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>>> SAM model summary <<<
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Number of elements 20
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Number of nodes 42
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Number of dofs 62
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Number of unknowns 42
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Number of quadrature points 320 4
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Processing integrand associated with code 0
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Assembling interior matrix terms for P1
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Assembling Neumann matrix terms for boundary 2 on P1
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Done.
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Sum external load : 0 -1e+09 0
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Solving the equation system ...
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Condition number: 222.244
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>>> Solution summary <<<
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L2-norm : 0.00334349
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Max X-displacement : 0.00445524
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Max Y-displacement : 0.0186845
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Projecting secondary solution ...
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Greville point projection
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Integrating solution norms (FE solution) ...
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Energy norm |u^h| = a(u^h,u^h)^0.5 : 3747.16
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External energy ((f,u^h)+(t,u^h)^0.5 : 3747.16
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>>> Error estimates based on Greville point projection <<<
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Energy norm |u^r| = a(u^r,u^r)^0.5 : 3589.92
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Error norm a(e,e)^0.5, e=u^r-u^h : 2246.41
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relative error (% of |u^r|) : 62.5755
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L2-norm |s^r| = (s^r,s^r)^0.5 : 1.41287e+09
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L2-error (e,e)^0.5, e=s^r-s^h : 1.08843e+09
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relative error (% of |s^r|) : 77.0364

‎Test/Linear/Snail-p1.xinp‎

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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<!-- 2D helix with self-interconnection. !-->
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<simulation>
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<geometry dim="2">
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<patchfile>snail-p1.g2</patchfile>
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<topologysets>
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<set name="fixed" type="nodes">
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<item patch="1">22:31</item>
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</set>
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<set name="loaded" type="edge">
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<item patch="1">2</item>
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</set>
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</topologysets>
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<coupling patch="1" xtol="0.001">
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32 1 1.0 \
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33 2 1.0 \
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34 3 1.0 \
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35 4 1.0 \
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36 5 1.0 \
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37 6 1.0 \
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38 7 1.0 \
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39 8 1.0 \
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40 9 1.0 \
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41 10 1.0 \
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42 11 1.0
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</coupling>
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</geometry>
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<boundaryconditions>
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<dirichlet set="fixed" comp="12"/>
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<neumann set="loaded" direction="2">-1.0e9</neumann>
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</boundaryconditions>
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</simulation>

‎Test/Linear/annulus.py‎

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from GoTools import *
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from GoTools.CurveFactory import *
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from GoTools.SurfaceFactory import *
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from math import *
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SetFinalOutput("annulus.g2")
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import splipy.curve_factory as CurveFactory
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import splipy.surface_factory as SurfaceFactory
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import splipy.volume_factory as VolumeFactory
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from splipy.io import G2
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from math import pi
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from sys import argv
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r1 = 5
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r2 = 7
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H = 1
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inner = CircleSegment([0,0,0],[-r1,0,0],pi,[0,0,1])
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outer = CircleSegment([0,0,0],[-r2,0,0],pi,[0,0,1])
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inner = CurveFactory.circle_segment(pi,r1,[0,0,1])
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outer = CurveFactory.circle_segment(pi,r2,[0,0,1])
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surf = SurfaceFactory.edge_curves(outer,inner)
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vol = None
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surf = LoftCurves([inner,outer])
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if len(argv) > 1:
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if argv[1] == "3D":
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vol = VolumeFactory.extrude(surf,amount=(0,0,H))
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g2file = "annulus" + argv[1] + ".g2"
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else:
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g2file = "annulus.g2"
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FinalOutput(surf,True)
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with G2(g2file) as output:
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if vol:
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output.write(vol)
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else:
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output.write(surf)

‎Test/Linear/annulus3D.py‎

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This file was deleted.

‎Test/Linear/snail-p1.g2‎

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200 1 0 0
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2 0
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21 2
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0 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 0.95 1 1
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2 2
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0 0 1 1
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2 0
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1.698444510121399 1.234296406275989
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0.679837387624884 2.092324335849338
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-0.7106638787796116 2.186270834949481
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-1.941640786499874 1.410684605501935
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-2.498807276419563 -0.0003309934237682652
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-2.103444185374864 -1.52824165596043
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-0.8343194898087567 -2.567625013125361
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0.8652475842498547 -2.66295824562643
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2.345986661771544 -1.704390993465773
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3 -6.938893903907228e-16
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2.507710617496368 1.822025768712561
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0.9888543819998328 3.043380852144491
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-1.019722458690372 3.138206838448003
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-2.750657780874821 1.99846985779441
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-3.499708197046047 -5.356664430067326e-05
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-2.912461179749807 -2.116026908252907
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-1.143148376578134 -3.518677860112109
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1.174264578624798 -3.614014761921584
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3.154436753690882 -2.291824082211871
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4 -1.959434878635765e-15
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1 0
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0.8899186938124423 0.6465637775217208
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0.3708203932499367 1.141267819554184
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-0.4017220926874316 1.2363734711837
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-1.132614605908429 0.8231216155389067
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-1.500835507637458 -0.0003701260149266417
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-1.292565970757077 -0.939966650726791
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-0.5261981703652951 -1.616939746436597
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0.5562305898749065 -1.711901729331276
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1.537051390365992 -1.116650116169913
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2 -5.273559366969494e-16
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1.698761101735437 1.234289644450433
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0.6798373876248852 2.092324335849338
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-0.7107313431664333 2.18722996900475
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-1.941640786499874 1.410684605501936
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-2.499791581888863 -5.373712200418268e-05
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-2.103444185374861 -1.528241655960433
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-0.8341757426576569 -2.567692125828344
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0.8652475842498515 -2.662958245626431
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2.345622575299683 -1.704143158026125
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3 -1.469576158976824e-15

‎Test/Linear/snail_2D.py‎

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from sys import argv
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from splipy.io import G2
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import splipy.curve_factory as cf
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import splipy.surface_factory as sf
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import numpy as np
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p = int(argv[1]) if len(argv) > 1 else 1
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def helix1(t):
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return np.vstack([(t+1)*np.cos(t*2*np.pi), (t+1)*np.sin(t*2*np.pi)]).T
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def helix2(t):
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return np.vstack([(t+2)*np.cos(t*2*np.pi), (t+2)*np.sin(t*2*np.pi)]).T
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c1 = cf.fit(helix1, 0, 2)
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c2 = cf.fit(helix2, 0, 2)
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s1 = sf.edge_curves(c2, c1)
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with G2("snail-p" + str(p) + ".g2") as output:
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output.write(s1.rebuild(p=p+1, n=(21*p,p+1)))

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