test4.di

matlab有限元分析工具,比经较全面的一个手册,请大家下载呀

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-- >> %% Test 4: mesh a cylinder with two small spheres removed (like bubbles)

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-- >> 

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-- >> cyl1 = gmmake_cyl(4);

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-- >> global QMG_DATA

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-- >> s = gm_read(fullfile(QMG_DATA, 'sphere3.geo'));

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-- >> bubble1 = gmapply([0.01, 0, 0, -0.02; 0, 0.01, 0, 0; 0, 0, 0.01, 0], s);

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-- >> bubble2 = gmapply([0.01, 0, 0, 0.02; 0, 0.01, 0, 0; 0, 0, 0.01, 0], s);

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-- >> cyl2 = gmcavity(cyl1, bubble1);

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-- >> cyl3 = gmcavity(cyl2, bubble2);

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-- >> show = 0;

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-- >> global interactive

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-- >> if length(interactive) > 0
  show = 1;
end

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-- >> 

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-- >> mesh = gmmeshgen(cyl3, 'curve', '(const 1.2)', 'show', show);

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-- >> asp = gmchecktri(cyl3, mesh);
Maximum aspect ratio =        49.0823 achieved in
simplex #2922 of topological entity cylinder (3:0) which has vertices 179 152 209 739 
Maximum global side length =  1.03923
Minimum global altitude =     0.000131217
Number of nodes = 1179 number of elements = 6054

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-- >> 

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-- >> global aspprod

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-- >> global meshsizesum

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-- >> 

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-- >> [scrap, numvtx] = size(mesh{4});

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-- >> 

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-- >> if length(aspprod) > 0
    aspprod  = aspprod * asp;
    meshsizesum = meshsizesum + numvtx;
end

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-- >> 

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-- >> 

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-- >> 

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-- >> % ------------------------------------------------------------------

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-- >> % Copyright (c) 1999 by Cornell University.  All rights reserved

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-- >> % See the accompanying file 'Copyright' for authorship information,

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-- >> % the terms of the license governing this software, and disclaimers

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-- >> % concerning this software.

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-- >> % ------------------------------------------------------------------

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-- >> % This file is part of the QMG software.  

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-- >> % Version 2.0 of QMG, release date RELDATE.

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-- >> % ------------------------------------------------------------------

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-- >> 

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-- >>