a3e5da0bfd
1. Implement 2D and 3D Cazacu-Barlat yield criteria(the residum and Jacobian);
...
2. Both work
2015-02-20 20:34:47 +00:00
09c357c70f
1. Fix bug of Yld2004-18p;
...
2. get deformation rate tensor and Lankford coefficient.
2015-02-20 14:40:24 +00:00
6cc631aa24
Added report of SUCCESSFUL test for Revision 3933
2015-02-17 04:27:49 +00:00
ba30faf9f6
Added report of SUCCESSFUL test for Revision 3931
2015-02-14 13:11:24 +00:00
425251ae2b
fixed bug: theTable -> table
2015-02-14 11:23:50 +00:00
4a63aff1ed
1. Implement Yld2004-18p yield criterion(the residum and Jacobian);
...
2. Yld2004-18p yield criterion takes effect
2015-02-13 17:22:19 +00:00
3670aef27e
Added report of SUCCESSFUL test for Revision 3929
2015-02-13 03:11:10 +00:00
77cffd8040
1. fix up Banabic-Balan-Comsa 2003 (BBC2003) yield criterion;
...
2. add the calculation Jacobian of BBC2003;
3. Now BBC2003 yield criterion takes effect
2015-02-12 20:48:03 +00:00
69af205721
add the calculation of Jacobian of isotropic and anisotropic Barlat1991, shows better performance.
2015-02-12 11:04:00 +00:00
e4874550dc
Added report of SUCCESSFUL test for Revision 3926
2015-02-12 02:32:24 +00:00
40f1f3af23
add the calculation of Jacobian of Hill1948 and Drucker family criteria.
2015-02-11 19:06:23 +00:00
53b40662ec
now with executable, correct line endings, and ID tags.
2015-02-11 17:26:56 +00:00
d5f9f543ca
Script to generate PNG image from given column (or 2D data in overall ASCIItable) with custom colormap and pixel sizes.
...
Supersedes “imageFromData” from “Code” repository.
2015-02-11 17:25:49 +00:00
9eae665365
fixed ‘too many files open’ issue when processing a large list of input tables.
2015-02-11 17:22:47 +00:00
eed00007f9
Re-write the script:
...
1. replace curve_fit with leastsq, which supports the analytical Jacobian
2. specify a "class" (contains both residum and jacobian) for each criterion.
3. add the calculation of Jacobian
2015-02-11 16:49:40 +00:00
1b1ed3bbcf
removed unnecessary lines
2015-02-11 06:18:08 +00:00
65c0aa3770
Added report of SUCCESSFUL test for Revision 3919
2015-02-11 03:22:39 +00:00
9cb98f87a1
updated test (type cannot be abbreviated anymore for geom_fromEuclideanDistance)
2015-02-10 14:38:39 +00:00
40a792d785
fixed bug in consistency check
2015-02-10 13:49:47 +00:00
43e9cc3417
added QR-code to last slide
2015-02-09 13:57:10 +00:00
63434c2ddb
corrected error checking for correct type
2015-02-09 08:57:14 +00:00
7edd209ce4
corrected wrong name in add..., more verbose error checking for geom_from...
2015-02-07 22:22:28 +00:00
6140285ddd
small changes (use ip.x instead of 1_ip). Probably we should modify postResults to use the 1_, 2_, 3_, standard notation for ip as well
2015-02-07 18:13:51 +00:00
e4a94aa72b
put changes on algorithm from geom_fromEuclideanDistance into addEuclideanDistance
2015-02-07 17:11:46 +00:00
f3bab46275
addthe Cazacu–Barlat (CZ) yield criterion (3D and 2D), Banabic–Balan–Comsa (BBC) Yield Criterion.
2015-02-07 16:58:57 +00:00
cdb7795956
1. Add default boundary constraint(no constraint) and initial guess to the dictionary
...
2. With the boundary constraint of exponential term, now non-quadratic yield criteria (isotropic Barlat 1991, anisotropic Barlar 1991, Hosford) take effect.
2015-02-07 11:07:45 +00:00
239b34e606
Added report of SUCCESSFUL test for Revision 3909
2015-02-07 10:21:48 +00:00
0350b1829c
1. Replace curve_fit(see minpack.py) with curve_fit_bound(see damask/util.py), now the boundary constraint can be applied.
...
2. Transfer the output information into dictionary 'fittingCriteria', compact subroutine 'fit'.
2015-02-06 14:01:04 +00:00
ce09e992cc
1. Change yieldStress from 'list' to 'numpy.arrary', thanks to Martin's suggestion (3907);
...
2. Change '3*3' Cauchy stress tensor to '1*6', now the number of input 'xdata' for fitting is 6*Points, which is less than the former 9*Points.
2015-02-06 13:48:14 +00:00
0b3205a24b
some suggestions how to simplify
2015-02-06 09:29:21 +00:00
bded4c521e
Added report of SUCCESSFUL test for Revision 3905
2015-02-06 03:28:15 +00:00
7818a8f467
Add codes about enforcing the boundary constraints for the fitting parameters, especially for the exponent term of non-quadratic yield functions.
2015-02-05 21:25:00 +00:00
4f2c07063b
Fix general Hosford!
2015-02-05 20:18:07 +00:00
c19e560dd0
Added report of SUCCESSFUL test for Revision 3902
2015-02-05 02:35:43 +00:00
2b704b3905
Fix: Tresca, von Mises, Drucker, Hill 1948 criteria.
2015-02-04 16:47:35 +00:00
2d568b49f2
add the output of standard deviation errors;
...
fix Hill 48 and anisotropic Barlat 1991
2015-02-04 13:04:34 +00:00
43ed6028bc
Added report of SUCCESSFUL test for Revision 3899
2015-02-04 03:47:46 +00:00
8e31b432c8
all included on script on damask.mpie.de
2015-02-03 21:44:11 +00:00
3845c47e61
complement of 3897: add isotropic and anisotropic Barlat 1991 to the dictionary
2015-02-03 12:57:18 +00:00
bef846d294
add isotropic and anisotropic Barlat1991 yield criteria.
2015-02-03 12:54:16 +00:00
55445af9bc
1. add initial guess and weight to the fitting (nonlinear least square regression);
...
2. extend the dictionary:fittingCriteria
2015-02-03 12:18:53 +00:00
c24aa71e3c
Added report of SUCCESSFUL test for Revision 3894
2015-02-03 02:22:43 +00:00
548b656aa4
removed unneeded MPI synchronization
2015-02-02 20:54:03 +00:00
cc6138ec41
rewrite "def fit()";
...
add format output.
2015-02-02 17:41:19 +00:00
fd75772a3f
Fix the bug of calculating principal stresses. Now the fitting result is better for the criteria which expressed in principal stresses.
...
Thanks to Martin.
2015-02-02 16:52:28 +00:00
16cee5e3ee
Added report of SUCCESSFUL test for Revision 3890
2015-01-31 09:34:32 +00:00
3c2a95efd8
if matrix inversion error encountered during analytic tangent calculation, give a warning and return elastic tangent
2015-01-30 14:00:32 +00:00
f2c4688dbd
Added report of SUCCESSFUL test for Revision 3888
2015-01-30 02:17:41 +00:00
7b45f4702d
I/O formatting changes
2015-01-29 14:00:21 +00:00
f1f4f939a3
analytic jacobian default for all solvers
2015-01-29 13:59:49 +00:00
Haiming Zhang