Beispiel #1
0
    dj_df.columns = columns_dJ
    # merge
    opt_df = pd.merge(params_df, dj_df, on='J', how='outer')
    return opt_df


reduced_functional = fenics.ReducedFunctional(
    J,
    controls,
    derivative_cb_post=derivative_cb_post,
    eval_cb_post=eval_cb_post)

dJdu = fenics.compute_gradient(J, controls)
bounds = [[0.05, 0.01, 0.05], [0.5, 0.2, 0.05]]
m_opt = fenics.minimize(reduced_functional,
                        bounds=bounds,
                        method='SLSQP',
                        options={'disp': True})

opt_df = create_opt_progress_df(opt_param_progress_post, opt_dj_progress_post,
                                ['D', 'rho', 'c'])
opt_df.to_excel(os.path.join(output_path, 'optimization.xls'))
opt_df.to_pickle(os.path.join(output_path, 'optimization.pkl'))

# ==============================================================================
# Plotting
# ==============================================================================

plott.show_img_seg_f(function=m_target,
                     path=os.path.join(output_path, 'disp_target_orig.png'))
plott.show_img_seg_f(function=w_target,
                     path=os.path.join(output_path, 'conc_target_orig.png'))
        thresh(w_target, thresh_1),  # thresholded concentration
        thresh(w, thresh_1) - thresh(w_target, thresh_1)) * sim.subdomains.dx)

controls = [fenics.ConstantControl(param) for param in params_init]


def eval_cb(j, a):
    params = [param.values() for param in a]
    print(j, *params)


reduced_functional = fenics.ReducedFunctional(J,
                                              controls,
                                              eval_cb_post=eval_cb)

m_opt = fenics.minimize(reduced_functional)

for var in m_opt:
    print(var.values())

# ==============================================================================
# RESULTS
# ==============================================================================
# Plot when adjoint computation has finished to avoid recording of function projections
# sim.plotting.plot_all(sim_time)
#
# output_path = os.path.join(test_config.output_path, 'test_case_simulation_tumor_growth_2D_uniform_adjoint')
# fu.ensure_dir_exists(output_path)
#
# sim.init_postprocess(os.path.join(output_path, 'postprocess', 'plots'))
#
    params_df.columns = columns_params
    dj_df = pd.DataFrame(opt_dj_list)
    dj_df.columns = columns_dJ
    # merge
    opt_df = pd.merge(params_df, dj_df, on='J', how='outer')
    return opt_df


reduced_functional = fenics.ReducedFunctional(
    J,
    controls,
    derivative_cb_post=derivative_cb_post,
    eval_cb_post=eval_cb_post)

dJdu = fenics.compute_gradient(J, controls)
bounds = [[0.05, 0.01, 0.05], [0.5, 0.2, 0.5]]
m_opt = fenics.minimize(reduced_functional,
                        bounds=bounds,
                        options={
                            'disp': True,
                            'gtol': 1e-10
                        },
                        tol=1e-10)

opt_df = create_opt_progress_df(opt_param_progress_post, opt_dj_progress_post,
                                ['D', 'rho', 'c'])
opt_df.to_excel(os.path.join(output_path, 'optimization.xls'))
opt_df.to_pickle(os.path.join(output_path, 'optimization.pkl'))

for var in m_opt:
    print(var.values())