Estimate steady heterogeneous parametersΒΆ

Here we demonstrate how to estimate parameters of heterogeneity, namely mean, variance and correlation length of log-transmissivity, with the aid the the extended Thiem solution in 2D.

  • 05 estimate steady het
  • 05 estimate steady het
  • 05 estimate steady het
  • FAST total sensitivity shares
  • 05 estimate steady het

Out:

Initializing the  Shuffled Complex Evolution (SCE-UA) algorithm  with  5000  repetitions
The objective function will be minimized
Starting burn-in sampling...
Initialize database...
['csv', 'hdf5', 'ram', 'sql', 'custom', 'noData']
* Database file '/home/docs/checkouts/readthedocs.org/user_builds/welltestpy/checkouts/stable/examples/Est_steady_het/2020-09-02_14-29-34_db.csv' created.
Burn-in sampling completed...
Starting Complex Evolution...
ComplexEvo loop #1 in progress...
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*** OPTIMIZATION SEARCH TERMINATED BECAUSE THE LIMIT
ON THE MAXIMUM NUMBER OF TRIALS
5000
HAS BEEN EXCEEDED.
SEARCH WAS STOPPED AT TRIAL NUMBER: 5086
NUMBER OF DISCARDED TRIALS: 35
NORMALIZED GEOMETRIC RANGE = 0.004319
THE BEST POINT HAS IMPROVED IN LAST 100 LOOPS BY 100000.000000 PERCENT

*** Final SPOTPY summary ***
Total Duration: 1.71 seconds
Total Repetitions: 5086
Minimal objective value: 8.63882e-05
Corresponding parameter setting:
mu: -9.18461
var: 0.051468
len_scale: 43.3715
******************************

Best parameter set:
mu=-9.18460650551285, var=0.05146802137315526, len_scale=43.37152256514884
Initializing the  Fourier Amplitude Sensitivity Test (FAST)  with  1158  repetitions
Starting the FAST algotrithm with 1158 repetitions...
Creating FAST Matrix
Initialize database...
['csv', 'hdf5', 'ram', 'sql', 'custom', 'noData']
* Database file '/home/docs/checkouts/readthedocs.org/user_builds/welltestpy/checkouts/stable/examples/Est_steady_het/2020-09-02_14-29-38_sensitivity_db.csv' created.

*** Final SPOTPY summary ***
Total Duration: 0.46 seconds
Total Repetitions: 1158
Minimal objective value: 19.033
Corresponding parameter setting:
mu: -8.59751
var: 1.24176
len_scale: 43.0495
Maximal objective value: 2.18376e+08
Corresponding parameter setting:
mu: -15.658
var: 9.70396
len_scale: 47.4398
******************************

1158
Parameter First Total
mu 0.263979 0.887012
var 0.109836 0.673456
len_scale 0.001781 0.030622
1158

import welltestpy as wtp

campaign = wtp.load_campaign("Cmp_UFZ-campaign.cmp")
estimation = wtp.estimate.ExtThiem2D("Est_steady_het", campaign, generate=True)
estimation.run()
estimation.sensitivity()

Total running time of the script: ( 0 minutes 6.637 seconds)

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