def test_3_roots_quadratic(): exp = [0.5, 1.25] obs = boundary_condition_frequency_solver(quadratic_equation, 3, h=0.3, freq_limit=15) assert np.allclose(exp, obs)
def test_5_roots_flexible_tube__mode_type_1(): exp = [ 2.1114360764249511, 4.5933899504176336, 7.7089354146509326, 11.6086922395909120, 16.3723249238653743 ] obs = boundary_condition_frequency_solver(flexible_tube_mode_type_1, 5, extra_args=(10, 1.12e-4, 1.8770e4, 1000)) assert np.allclose(exp, obs)
def test_5_roots_flexible_tube__mode_type_2(): exp = [ 0.5489434835683205, 1.4244105181770936, 1.9121722822149714, 3.9035022567988560, 6.6024612335389854 ] obs = boundary_condition_frequency_solver(flexible_tube_mode_type_2, 5, h=0.5, freq_limit=8, extra_args=(10, 1.12e-4, 1.8770e4, 1000, 0.274, 311.7, 510)) assert np.allclose(exp, obs, rtol=1e-2)
def test_4_roots_flexible_barge(): exp = [4.7300, 7.8532, 10.9956, 14.1372] obs = boundary_condition_frequency_solver(free_free_barge_equation, 4) assert np.allclose(exp, obs)
def test_10_roots_sine_wave(): exp = [math.pi, 2 * math.pi] obs = boundary_condition_frequency_solver(sine_wave_equation, 2) assert np.allclose(exp, obs)
def test_3_roots_cubic(): exp = [0.5, 1.25, 9.4] obs = boundary_condition_frequency_solver(cubic_equation, 3, h=0.3) assert np.allclose(exp, obs)
def test_2_roots_quadratic(): exp = [0.5, 1.25] obs = boundary_condition_frequency_solver(quadratic_equation, 2, h=0.3) assert np.allclose(exp, obs)
def test_1_roots_linear__2(): exp = [math.pi] obs = boundary_condition_frequency_solver(linear_equation, 1, extra_args=math.pi) assert np.allclose(exp, obs)
def test_0_roots_linear(): exp = [] obs = boundary_condition_frequency_solver(linear_equation, 0) assert np.allclose(exp, obs)