sdynpy.modal.sdynpy_smac.SMAC

class SMAC(frfs: TransferFunctionArray, min_frequency=None, max_frequency=None, complex_modes=False, displacement_derivative=2)

Bases: object

__init__(frfs: TransferFunctionArray, min_frequency=None, max_frequency=None, complex_modes=False, displacement_derivative=2)

Methods

__init__(frfs[, min_frequency, ...])
autofit_root_alternate(initial_frequency, ...)
autofit_root_paraboloid(initial_frequency, ...)
autofit_roots([frequency_range, ...])
compute_correlation_matrix([low_frequency, ...])
compute_initial_rootlist([...])
compute_pseudoinverse()
compute_residues(roots[, residuals, weighting])
compute_shapes()
find_peaks(correlation_matrix[, size, threshold])
fit_damping(min_damp, max_damp, frequency[, ...])
fit_frequency(min_freq, max_freq, damping[, ...])
fit_paraboloid(x, y, z)
frf_sdof_complex(frequencies, ...)
frf_sdof_real(frequencies, root_frequencies, ...)
get_num_roots(frequencies, mif_type[, ...])
save(filename)

Attributes

angular_frequencies
frequencies
frequency_spacing
reference_coordinates

property angular_frequencies

autofit_root_alternate(initial_frequency, initial_damping, frequency_range=0.01, frequency_points=21, frequency_convergence=0.00025, damping_low=0.0025, damping_high=0.05, damping_points=21, damping_convergence=0.02, frequency_lines_for_correlation=20, max_iter=200, zoom_rate=0.75, plot_convergence=False)

autofit_root_paraboloid(initial_frequency, initial_damping, frequency_range=0.01, frequency_points=21, frequency_convergence=0.00025, damping_low=0.0025, damping_high=0.05, damping_points=21, damping_convergence=0.02, frequency_lines_for_correlation=20, max_iter=200, zoom_rate=0.75, plot_convergence=False)

autofit_roots(frequency_range=0.01, frequency_points=21, frequency_convergence=0.00025, damping_low=0.0025, damping_high=0.05, damping_points=21, damping_convergence=0.02, frequency_lines_for_correlation=20, max_iter=200, zoom_rate=0.75, plot_convergence=False, autofit_type=AutoFitTypes.ALTERNATE)

compute_correlation_matrix(low_frequency=None, high_frequency=None, frequency_samples=None, frequency_resolution=None, low_damping=0.0025, high_damping=0.05, damping_samples=21, frequency_lines_for_correlation=20, plot=False)

compute_initial_rootlist(frequency_samples=None, frequency_resolution=None, low_damping=0.0025, high_damping=0.05, damping_samples=21, frequency_lines_for_correlation=20, peak_finder_filter_size=3, correlation_threshold=0.9, num_roots_mif='cmif', num_roots_frequency_threshold=0.005, plot_correlation=False)

compute_pseudoinverse()

compute_residues(roots, residuals=True, weighting='magnitude')

compute_shapes()

find_peaks(correlation_matrix, size=3, threshold=0.9)

fit_damping(min_damp, max_damp, frequency, damping_points=21, frequency_lines_for_correlation=20)

fit_frequency(min_freq, max_freq, damping, frequency_points=21, frequency_lines_for_correlation=20)

fit_paraboloid(x, y, z)

property frequencies

property frequency_spacing

frf_sdof_complex(frequencies, root_frequencies, root_dampings)

frf_sdof_real(frequencies, root_frequencies, root_dampings)

get_num_roots(frequencies, mif_type, frequency_threshold=0.005, plot=False)

property reference_coordinates

save(filename)