### use "normalized" spectrum

```I'm not sure how much sense this makes, but I am now explicitly dividing
the computed spectrum by dk, such that the integral of E(k)dk is the
total energy.```
parent c1b51c1d
Pipeline #30052 passed with stage
in 15 minutes and 19 seconds
 ... ... @@ -247,6 +247,7 @@ class DNS(_code): ii0 = iter0 // self.parameters['niter_stat'] ii1 = iter1 // self.parameters['niter_stat'] self.statistics['kshell'] = data_file['kspace/kshell'].value self.statistics['nshell'] = data_file['kspace/nshell'].value for kk in [-1, -2]: if (self.statistics['kshell'][kk] == 0): self.statistics['kshell'][kk] = np.nan ... ... @@ -282,13 +283,13 @@ class DNS(_code): phi_ij[:, :, 1, 1] + phi_ij[:, :, 2, 2])/2 pp_file['energy(t)'] = np.sum(energy_tk, axis = 1) pp_file['energy(k)'] = np.mean(energy_tk, axis = 0) pp_file['energy(k)'] = np.mean(energy_tk, axis = 0)*(4*np.pi*self.statistics['kshell']**2) / (self.statistics['dk']*self.statistics['nshell']) enstrophy_tk = ( data_file['statistics/spectra/vorticity_vorticity'][ii0:ii1+1, :, 0, 0] + data_file['statistics/spectra/vorticity_vorticity'][ii0:ii1+1, :, 1, 1] + data_file['statistics/spectra/vorticity_vorticity'][ii0:ii1+1, :, 2, 2])/2 pp_file['enstrophy(t)'] = np.sum(enstrophy_tk, axis = 1) pp_file['enstrophy(k)'] = np.mean(enstrophy_tk, axis = 0) pp_file['enstrophy(k)'] = np.mean(enstrophy_tk, axis = 0)*(4*np.pi*self.statistics['kshell']**2) / self.statistics['nshell'] pp_file['vel_max(t)'] = data_file['statistics/moments/velocity'][ii0:ii1+1, 9, 3] pp_file['renergy(t)'] = data_file['statistics/moments/velocity'][ii0:ii1+1, 2, 3]/2 for k in ['t', ... ...
 ... ... @@ -598,6 +598,7 @@ class NavierStokes(_fluid_particle_base): ii0 = iter0 // self.parameters['niter_stat'] ii1 = iter1 // self.parameters['niter_stat'] self.statistics['kshell'] = data_file['kspace/kshell'].value self.statistics['nshell'] = data_file['kspace/nshell'].value for kk in [-1, -2]: if (self.statistics['kshell'][kk] == 0): self.statistics['kshell'][kk] = np.nan ... ... @@ -633,13 +634,13 @@ class NavierStokes(_fluid_particle_base): phi_ij[:, :, 1, 1] + phi_ij[:, :, 2, 2])/2 pp_file['energy(t)'] = np.sum(energy_tk, axis = 1) pp_file['energy(k)'] = np.mean(energy_tk, axis = 0) pp_file['energy(k)'] = np.mean(energy_tk, axis = 0)*(4*np.pi*self.statistics['kshell']**2) / (self.statistics['dk']*self.statistics['nshell']) enstrophy_tk = ( data_file['statistics/spectra/vorticity_vorticity'][ii0:ii1+1, :, 0, 0] + data_file['statistics/spectra/vorticity_vorticity'][ii0:ii1+1, :, 1, 1] + data_file['statistics/spectra/vorticity_vorticity'][ii0:ii1+1, :, 2, 2])/2 pp_file['enstrophy(t)'] = np.sum(enstrophy_tk, axis = 1) pp_file['enstrophy(k)'] = np.mean(enstrophy_tk, axis = 0) pp_file['enstrophy(k)'] = np.mean(enstrophy_tk, axis = 0)*(4*np.pi*self.statistics['kshell']**2) / (self.statistics['dk']*self.statistics['nshell']) pp_file['vel_max(t)'] = data_file['statistics/moments/velocity'][ii0:ii1+1, 9, 3] pp_file['renergy(t)'] = data_file['statistics/moments/velocity'][ii0:ii1+1, 2, 3]/2 if 'trS2_Q_R' in data_file['statistics/moments'].keys(): ... ...
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