Test, tweaks, and and fix for irregular waves

demos/sphere/compare_irreg_waves.py

@@ -0,0 +1,42 @@
+import numpy as np
+import sys
+
+# Function to read two wave data files
+def read_wave_data(file_path):
+    with open(file_path, 'r') as file:
+        lines = file.readlines()
+
+    wave_data = {}
+
+    heave_data = []
+    for line in lines[1:]:
+        time, heave = line.split()
+        heave_data.append(float(heave))
+    wave_data['heave'] = np.array(heave_data)
+
+    return wave_data
+
+def calculate_l2_norm(heave_data1, heave_data2):
+    yd = heave_data1 - heave_data2
+    nval = yd.shape[0]
+    l2 = np.linalg.norm(yd)/nval
+    return l2
+
+def compare_wave_files(file_path1, file_path2):
+    wave_data1 = read_wave_data(file_path1)
+    wave_data2 = read_wave_data(file_path2)
+
+    # calculate the l2 norm of the difference in heave
+    diff_heave = calculate_l2_norm(wave_data1['heave'],wave_data2['heave'])
+
+    # If the difference is more than 1e-6 then error out
+    if (diff_heave > 1e-6): sys.exit(1)  # error
+
+
+
+if __name__ == "__main__":
+
+    fname_ref = sys.argv[1]
+    fname_rst = sys.argv[2]
+
+    compare_wave_files(fname_ref, fname_rst)

demos/sphere/demo_sphere_irreg_waves.cpp

@@ -118,6 +118,9 @@ int main(int argc, char* argv[]) {
     wave_inputs.ramp_duration_       = 60.0;
     wave_inputs.wave_height_         = 2.0;
     wave_inputs.wave_period_         = 12.0;
+    wave_inputs.frequency_min_       = 0.001;
+    wave_inputs.frequency_max_       = 1.0;
+    wave_inputs.nfrequencies_        = 1000;
 
     std::shared_ptr<IrregularWaves> my_hydro_inputs;  // declare outside the try-catch block
 
@@ -231,4 +234,4 @@ int main(int argc, char* argv[]) {
     }
 
     return 0;
-}
+}

demos/sphere/demo_sphere_irreg_waves_eta_import.cpp

@@ -120,6 +120,9 @@ int main(int argc, char* argv[]) {
     params.simulation_duration_ = simulationDuration;
     params.ramp_duration_       = 0.0;
     params.eta_file_path_       = (DATADIR / "sphere" / "eta" / "eta.txt").lexically_normal().generic_string();
+    params.frequency_min_       = 0.001;
+    params.frequency_max_       = 1.0;
+    params.nfrequencies_        = 1000;
 
     std::shared_ptr<IrregularWaves> my_hydro_inputs;  // declare outside the try-catch block