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annotate +noname/testCfl.m @ 113:a4e1608ae980

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1d plot: Made it possible to have automatix axes.
author Jonatan Werpers <jonatan@werpers.com>
date Fri, 11 Dec 2015 09:31:46 +0100
parents 9933169d2651
children ee9c03dc7f42
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7249f105e67b Added silent option to noname.testCfl.
Jonatan Werpers <jonatan@werpers.com>
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1 function testCfl(discr, timestepper_method, T, alpha0, tol,threshold, silentFlag)
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bce9e28c1e26 Added a cfl paramater to getTimestepper in Discretization. Added function to get cfl value for a Discr.
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2 default_arg('tol',0.00005);
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3 default_arg('threshold',1e2);
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7249f105e67b Added silent option to noname.testCfl.
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parents: 2
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4 default_arg('silentFlag', false);
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bce9e28c1e26 Added a cfl paramater to getTimestepper in Discretization. Added function to get cfl value for a Discr.
Jonatan Werpers <jonatan@werpers.com>
parents:
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bce9e28c1e26 Added a cfl paramater to getTimestepper in Discretization. Added function to get cfl value for a Discr.
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6 alpha0(2) = alpha0(1)+2*(alpha0(2)-alpha0(1));
bce9e28c1e26 Added a cfl paramater to getTimestepper in Discretization. Added function to get cfl value for a Discr.
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parents:
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bce9e28c1e26 Added a cfl paramater to getTimestepper in Discretization. Added function to get cfl value for a Discr.
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8 while( (alpha0(2)-alpha0(1))/alpha0(1) > tol)
bce9e28c1e26 Added a cfl paramater to getTimestepper in Discretization. Added function to get cfl value for a Discr.
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9 alpha = mean(alpha0);
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9933169d2651 Adapted testCfl to new opt style parameters in discrs.
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11 ts = discr.getTimestepper(struct('method', timestepper_method, 'cfl', alpha));
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bce9e28c1e26 Added a cfl paramater to getTimestepper in Discretization. Added function to get cfl value for a Discr.
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parents:
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bce9e28c1e26 Added a cfl paramater to getTimestepper in Discretization. Added function to get cfl value for a Discr.
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13 warning('off','all')
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14 ts.evolve(T,true);
bce9e28c1e26 Added a cfl paramater to getTimestepper in Discretization. Added function to get cfl value for a Discr.
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15 warning('on','all')
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bce9e28c1e26 Added a cfl paramater to getTimestepper in Discretization. Added function to get cfl value for a Discr.
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17 [v,t] = ts.getV();
bce9e28c1e26 Added a cfl paramater to getTimestepper in Discretization. Added function to get cfl value for a Discr.
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18 max_val = max(v);
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bce9e28c1e26 Added a cfl paramater to getTimestepper in Discretization. Added function to get cfl value for a Discr.
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20 if isnan(max_val) || max_val == Inf || max_val > threshold
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21 alpha0(2) = alpha;
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22 else
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23 alpha0(1) = alpha;
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24 end
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7249f105e67b Added silent option to noname.testCfl.
Jonatan Werpers <jonatan@werpers.com>
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26 if ~silentFlag
7249f105e67b Added silent option to noname.testCfl.
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27 fprintf('[%.3e,%.3e]: a = %.3e, max= %.2e\n',alpha0(1),alpha0(2), alpha,max_val);
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28 end
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29 end
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bce9e28c1e26 Added a cfl paramater to getTimestepper in Discretization. Added function to get cfl value for a Discr.
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31 fprintf('T = %-3d dof = %-4d order = %d: clf = %.4e\n',T, discr.size(), discr.order, alpha0(1));
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33 end