WIP: Gaussian field convergence test

TurTLE/test/test_Gaussian_field.py

@@ -58,9 +58,10 @@ def main():
 
 def main_convergence_test():
     n_arr = [64, 128, 256, 512]
-    diss = 
-    energy = 
-    etaK = 
+    dk_arr = [1., 0.5, 0.25, 0.125]
+    diss = 0.007036634455033392
+    energy = 0.0417604575121591
+    etaK = 0.2157937040813811
     Lint = energy**(3./2.)/diss
 
     c_L, c_eta = calculate_constants(epsilon=diss, Lint=Lint, etaK=etaK)
@@ -68,7 +69,7 @@ def main_convergence_test():
     bin_no = 100
 
     if not os.path.exists(simname+'.h5'):
-        for n in n_arr:
+        for n, dk in zip(n_arr, dk_arr):
             for run in range(3):
                 rseed = int(time.time())
                 simname = f'conv_test_n{n}_run{run}'
@@ -79,6 +80,9 @@ def main_convergence_test():
                      '--nx', str(n),
                      '--ny', str(n),
                      '--nz', str(n),
+                     '--dkx', str(dk),
+                     '--dky', str(dk),
+                     '--dkz', str(dk),
                      '--simname', simname,
                      '--np', '4',
                      '--environment', 'short',
@@ -96,7 +100,7 @@ def main_convergence_test():
                      sys.argv[1:])
     else:
         plt.figure()
-        # TODO
+
         for n in n_arr:
             for run in range(3):
                 df = h5py.File(simname + '.h5', 'r')