Exemple #1
0
def resolution_study():
    run_shell_command("make")
    N = 256

    num_stencil = [ int(i*N) for i in [
        1/2,
        1,
        2,
    ]]

    dt = 0.0005
    re = 80
    steps = 10_000 
    initial_steps = 25_000
    resolution_folder = "resolution_study_3"

    for n in num_stencil:
        for skip_diffusion in [0,1]:
            diff_str = skip_diffusion_to_str(skip_diffusion)
            folder_name = f"{n}"

            case = RunCase(
                skip_diffusion=skip_diffusion,
                size = n,
                dt = dt,
                steps = steps,
                restarts = 0,
                reynolds_number=re,
                path = f"{BASE_SAVE}/{resolution_folder}/{diff_str}/{folder_name}",
                load_initial_data=2,
                export_vtk=True,
                skip_steps=initial_steps
            )

            wrap_error_case(case, f"{BASE_SAVE}/{resolution_folder}/errors.txt")
Exemple #2
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def temporal_study():
    run_shell_command("make")

    DT = 0.0005
    STEPS = 10_000 
    INITIAL_STEPS = 25_000

    timesteps = [ [i*DT, int(STEPS / i), int(INITIAL_STEPS / i)] for i in [
        1/2,
        1,
        2,
    ]]

    N = 256
    re = 80
    temporal_folder = "temporal_study_3"

    print("timesteps are", timesteps)

    for dt, steps, initial_steps in timesteps:
        for skip_diffusion in [0,1]:
            diff_str = skip_diffusion_to_str(skip_diffusion)
            folder_name = f"{dt}"

            case = RunCase(
                skip_diffusion=skip_diffusion,
                size = N,
                dt = dt,
                steps = steps,
                restarts = 0,
                reynolds_number=re,
                path = f"{BASE_SAVE}/{temporal_folder}/{diff_str}/{folder_name}",
                load_initial_data=2,
                export_vtk=True,
                skip_steps=initial_steps
            )

            wrap_error_case(case, f"{BASE_SAVE}/{temporal_folder}/errors.txt")
Exemple #3
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def forcing_cases():
    delta_1 = 0.1
    delta_2 = 0.1

    run_shell_command("make")
    batch_name = f"forcing_viscous_7"
    save_json_folder = f"{BASE_SAVE}/{batch_name}"

    if not os.path.exists(save_json_folder):
        os.mkdir(save_json_folder)

    for f in os.listdir(save_json_folder):
        os.remove(os.path.join(save_json_folder, f))

    END_TIME = 5
    dt = 0.0005
    size = 128
    re = 40
    steps = int(END_TIME / dt)
    save_vtk = True
    extra_caps = []

    io_steps = 38

    copy_init_files(size)

    epsilon_generator = EpsilonControl.load_json()

    cases = [
        [0.0, 0.0, "baseline"],
        [-1 * delta_1, 0.0, "ep1-neg"],
        [0.0, -1 * delta_2, "ep2-neg"],
    ]

    output_folder = define_output_folder()

    for skip_diffusion in [0, 1]:

        # TODO: remove this after generating
        if skip_diffusion == 1:
            continue

        for delta_1, delta_2, folder in cases:
            diffusion_str = skip_diffusion_to_str(skip_diffusion)
            epsilon1 = epsilon_generator.epsilon_1(delta_1)
            epsilon2 = epsilon_generator.epsilon_2(delta_2)

            case = RunCase(
                skip_diffusion=skip_diffusion,
                size=size,
                dt=dt,
                steps=steps,
                restarts=0,
                restart_time=1.0,
                reynolds_number=re,
                path=output_folder,
                load_initial_data=0,
                epsilon1=epsilon1,
                epsilon2=epsilon2,
                export_vtk=save_vtk,
                # scalar_type=14,
                scalar_type=0,
                io_steps=io_steps,
            )

            case.write_to_json(f"{folder}_{diffusion_str}", save_json_folder)

    copy_distribute_files(save_json_folder, batch_name, extra_caps)

    build = Build("master", "master")
    build.to_json(save_json_folder)
Exemple #4
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def full_system_test():
    delta_1 = 0.1
    delta_2 = 0.1

    n = 20
    run_shell_command("make")
    batch_name = f"system_test_{n}"
    save_json_folder = f"{BASE_SAVE}/{batch_name}"

    if not os.path.exists(save_json_folder):
        os.mkdir(save_json_folder)

    for _ in os.listdir(save_json_folder):
        raise ValueError("folder should be empty")

    dt = 0.0005
    size = 128
    re = 40
    steps = 500
    save_vtk = True
    extra_caps = []

    io_steps = 10

    copy_init_files(size)

    epsilon_generator = EpsilonControl.load_json()

    cases = [
        # [0., 0., "baseline"],
        [-1 * delta_1, 0.0, "ep1-neg"],
        [0.0, -1 * delta_2, "ep2-neg"],
    ]

    output_folder = define_output_folder()

    for delta_1, delta_2, folder in cases:
        diffusion_str = skip_diffusion_to_str(0)

        epsilon1 = epsilon_generator.epsilon_1(delta_1)
        epsilon2 = epsilon_generator.epsilon_2(delta_2)

        case = RunCase(
            skip_diffusion=0,
            size=size,
            dt=dt,
            steps=steps,
            restarts=0,
            reynolds_number=re,
            path=output_folder,
            load_initial_data=0,
            epsilon1=epsilon1,
            epsilon2=epsilon2,
            export_vtk=save_vtk,
            scalar_type=14,
            # scalar_type=0,
            io_steps=io_steps,
        )

        case.write_to_json(f"{folder}_{diffusion_str}", save_json_folder)

    copy_distribute_files(save_json_folder, batch_name, extra_caps)

    build = Build("master", "master")
    build.to_json(save_json_folder)
Exemple #5
0
def forcing_sweep():
    # Conclusion:
    # for viscous cases, the max I values are
    # ep1 : 1 -> 10^(i-2) -> 0.1
    # ep2 : 3 -> 10^(i-2) -> 10

    run_shell_command("make")
    n = 5
    forcing_folder = f"epsilon_parameter_sweep_{n}"
    save_json_folder = f"{BASE_SAVE}/{forcing_folder}"

    if not os.path.exists(save_json_folder):
        os.mkdir(save_json_folder)

    for _ in os.listdir(save_json_folder):
        raise ValueError("directory is not empty")
        # os.remove(os.path.join(save_json_folder, f))

    END_TIME = 10
    dt = 0.0005
    size = 128
    re = 40
    steps = int(END_TIME / dt)
    save_vtk = False
    batch_name = forcing_folder
    extra_caps = []

    copy_init_files(size)

    epsilon_generator = EpsilonControl.load_json()

    cases = []

    NUM_CASES = 10

    delta_1_max = 0.5
    delta_1_min = 0.01
    delta_1_inc = (delta_1_max - delta_1_min) / (NUM_CASES - 1)

    delta_2_max = 100
    delta_2_min = 0.1
    delta_2_inc = (delta_2_max - delta_2_min) / (NUM_CASES - 1)

    for epsilon_value in [1, 2]:
        for i in range(0, NUM_CASES):

            if epsilon_value == 1:
                delta = delta_1_min + (delta_1_inc * i)
                newcase = [delta, 0, f"ep1-{i}"]
            else:
                delta = delta_2_min + (delta_2_inc * i)
                newcase = [0, delta, f"ep2-{i}"]

            cases.append(newcase)

    delta_1_cases = [i for i, _, _ in cases[0:NUM_CASES]]
    epsilon_1_cases = [epsilon_generator.epsilon_1(i) for i in delta_1_cases]
    z1 = list(zip(delta_1_cases, epsilon_1_cases))

    delta_2_cases = [i for _, i, _ in cases[NUM_CASES:]]
    epsilon_2_cases = [epsilon_generator.epsilon_2(i) for i in delta_2_cases]
    z2 = list(zip(delta_2_cases, epsilon_2_cases))

    print("asdf")

    print(f"forced energy cases:")
    pprint(z1)
    print(f"forced helicity cases:")
    pprint(z2)

    if IS_SINGULARITY and IS_DISTRIBUTED:
        output_folder = f"/distribute_save/"
    else:
        output_folder = f"../../distribute_save/"

    for skip_diffusion in [0, 1]:

        # TODO: remove this after generating
        if skip_diffusion == 1:
            continue

        for delta_1, delta_2, folder in cases:
            diffusion_str = skip_diffusion_to_str(skip_diffusion)
            epsilon1 = epsilon_generator.epsilon_1(delta_1)
            epsilon2 = epsilon_generator.epsilon_2(delta_2)

            if epsilon1 == -0.0:
                epsilon1 = 0.0
            if epsilon2 == -0.0:
                epsilon2 = 0.0

            print("ep1: {:.5E} ep2: {:.5E}".format(epsilon1, epsilon2))

            case = RunCase(
                skip_diffusion=skip_diffusion,
                size=size,
                dt=dt,
                steps=steps,
                restarts=0,
                restart_time=1.0,
                reynolds_number=re,
                path=output_folder,
                load_initial_data=0,
                epsilon1=epsilon1,
                epsilon2=epsilon2,
                export_vtk=save_vtk,
                scalar_type=14,
            )

            case.write_to_json(f"{folder}_{diffusion_str}", save_json_folder)

    copy_distribute_files(save_json_folder, batch_name, extra_caps)

    build = Build("master", "master")
    build.to_json(save_json_folder)