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3Â¥: Originally posted by wgm096350 at 2012-10-19 09:14:42
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xiegangmai: ½ð±Ò+1, лл²ÎÓë 2012-10-21 20:06:49
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5Â¥: Originally posted by zhizi888888 at 2012-10-20 12:23:21
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6Â¥2012-10-20 12:52:18
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z770428

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6Â¥: Originally posted by z770428 at 2012-10-20 12:52:18
Global
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7Â¥2012-10-21 08:57:35
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ÒýÓûØÌû:
5Â¥: Originally posted by zhizi888888 at 2012-10-20 12:23:21
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Global
straint

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8Â¥2012-10-21 08:57:52
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9Â¥2012-10-21 15:48:30
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z770428

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xiegangmai: ÌûÖдúÂ벿·Ö¿ÉʹÓá°²åÈë´úÂ롱¹¦ÄÜ 2012-10-23 22:03:05
ÒýÓûØÌû:
9Â¥: Originally posted by wgm096350 at 2012-10-21 15:48:30
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clear all; close all; clc; format compact; tic; global CRACK NODES straint ;

%%%% Pre-Processing %%%%%
inputQuasiStatic;                                                           % Define the geometry, materials, discontinuities

iter = numIterations;
for i = 1:iter
   
    %%%%% Processing %%%%%
    if i == 1, connectivity; pHDOF = []; else NODES(:,4:29) = 0; end        % Define connectivity
    omega           = levelSet(i);                                          % Create phi and psi, define enriched elements
   
    straint=?
    [DOF,DISP] = calcDOF;                                                   % Total degrees of freedom
    [updElem] = enrElem(i,pHDOF);                                          % Find enriched elements, inclusion elements
   
    if i == 1,
        globalK = displacementstiffnessMatrix(omega,DOF,iter,updElem);
                                                                               % Construct global stiffness matrix  %
     
    else globalK = updatedisplacementStiffness(globalK,omega,DOF,updElem,pHDOF);
    end                                                                    % Update the global stiffness matrix
    freeDOF         = boundaryCond(DOF);
    globalF        = forceVector(DOF,i,straint);                           % Construct global force vector
                                                                                 % Solve for the degrees of freedom
   
    DISP(freeDOF, = globalK(freeDOF,freeDOF)\globalF(freeDOF,;          % Find the nodal displacement values
   
    %%% Post-Processing %%%%%
    if i == iter, plotMain(omega,DISP); end                                 % Make plots
    if isempty(CRACK) == 0
        pHDOF    = 2*max(NODES(:,2));                                       % Maximum constant DOF at current iteration
        [KI,KII] = JIntegral(omega,DISP);                                   % Calculate the stress intensity factors
        exit     = growCrack(KI,KII,omega);                                 % Advance crack for quasi-static growth
        globalF        = forceVector(DOF,i,straint);
        if strcmp(exit,'YES') == 1
            disp('WARNING: No crack growth, iterations exited early.')
            plotMain(omega,DISP); break
        end
    end
   
    disp(['Iteration ',num2str(i),' completed. Elapsed time is ',num2str(toc,'%0.4f'),'.'])   
end
10Â¥2012-10-21 21:17:37
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