.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "examples\05-Legacy\04-harmonic-analysis.py" .. LINE NUMBERS ARE GIVEN BELOW. .. only:: html .. note:: :class: sphx-glr-download-link-note :ref:`Go to the end ` to download the full example code .. rst-class:: sphx-glr-example-title .. _sphx_glr_examples_05-Legacy_04-harmonic-analysis.py: .. _ref_harmonic_analysis: Harmonic analysis ================= **谐波分析** 本例展示了如何使用 PyDPF-Post 对谐波分析结果文件进行后处理。 .. GENERATED FROM PYTHON SOURCE LINES 12-15 Perform required imports ------------------------ Perform required imports. .. GENERATED FROM PYTHON SOURCE LINES 15-19 .. code-block:: Python from ansys.dpf import post from ansys.dpf.post import examples .. GENERATED FROM PYTHON SOURCE LINES 20-24 Get ``Solution`` object ----------------------- Get the ``Solution`` object. This example loads a result file for an harmonic analysis computed in Ansys Mechanical. .. GENERATED FROM PYTHON SOURCE LINES 24-30 .. code-block:: Python example_path = examples.download_all_kinds_of_complexity() solution = post.load_solution(examples.complex_rst) print(solution) .. rst-class:: sphx-glr-script-out .. code-block:: none Harmonic Analysis Solution object. Data Sources ------------------------------ DPF DataSources: Result files: result key: rst and path: C:\Users\ff\AppData\Roaming\Python\Python310\site-packages\ansys\dpf\core\examples\result_files\complex.rst Secondary files: DPF Model ------------------------------ Harmonic analysis Unit system: MKS: m, kg, N, s, V, A, degC Physics Type: Mechanical Available results: - displacement: Nodal Displacement - reaction_force: Nodal Force - stress: ElementalNodal Stress - elemental_volume: Elemental Volume - stiffness_matrix_energy: Elemental Energy-stiffness matrix - artificial_hourglass_energy: Elemental Hourglass Energy - thermal_dissipation_energy: Elemental thermal dissipation energy - kinetic_energy: Elemental Kinetic Energy - co_energy: Elemental co-energy - incremental_energy: Elemental incremental energy - elastic_strain: ElementalNodal Strain - elemental_heat_generation: Elemental Elemental Heat Generation - structural_temperature: ElementalNodal Temperature - electric_potential: Nodal Electric Potential - electric_flux_density: ElementalNodal Electric flux density - electric_field: ElementalNodal Electric field ------------------------------ DPF Meshed Region: 4802 nodes 657 elements Unit: m With solid (3D) elements ------------------------------ DPF Time/Freq Support: Number of sets: 1 With complex values Cumulative Frequency (Hz) LoadStep Substep RPM 1 343478.200000 1 1 0.000000 This may contain complex results. .. GENERATED FROM PYTHON SOURCE LINES 31-33 Get ``Result`` objects ---------------------- .. GENERATED FROM PYTHON SOURCE LINES 35-39 Get displacement result ~~~~~~~~~~~~~~~~~~~~~~~ Get the displacement ``Result`` object. It contains a field for real values and a field for imaginary values. .. GENERATED FROM PYTHON SOURCE LINES 39-43 .. code-block:: Python disp_result = solution.displacement() disp = disp_result.vector .. GENERATED FROM PYTHON SOURCE LINES 44-47 Check number of fields ~~~~~~~~~~~~~~~~~~~~~~ Check the number of fields. .. GENERATED FROM PYTHON SOURCE LINES 47-50 .. code-block:: Python disp.num_fields .. rst-class:: sphx-glr-script-out .. code-block:: none 2 .. GENERATED FROM PYTHON SOURCE LINES 51-54 Get data from field ~~~~~~~~~~~~~~~~~~~ Get data from a field. .. GENERATED FROM PYTHON SOURCE LINES 54-57 .. code-block:: Python disp.get_data_at_field(0) .. rst-class:: sphx-glr-script-out .. code-block:: none DPFArray([[ 2.65783929e-09, -5.98949034e-10, 8.34267891e-11], [ 2.63846617e-09, -3.00204960e-10, 8.27306877e-11], [ 2.50179982e-09, -2.86371281e-10, 6.29386453e-11], ..., [-1.70840238e-09, -2.73504676e-09, 3.48706947e-11], [-1.57038405e-09, -2.71125223e-09, 6.79105278e-11], [-1.57311157e-09, -2.71904943e-09, 0.00000000e+00]]) .. GENERATED FROM PYTHON SOURCE LINES 58-61 Get maximum data value over all fields ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Get the maximum data value over all fields. .. GENERATED FROM PYTHON SOURCE LINES 61-64 .. code-block:: Python disp.max_data .. rst-class:: sphx-glr-script-out .. code-block:: none DPFArray([[2.76941713e-09, 2.76940199e-09, 4.10914311e-10], [6.53706736e-13, 6.53416337e-13, 9.25220948e-14]]) .. GENERATED FROM PYTHON SOURCE LINES 65-68 Get minimum data value over all fields ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Get the minimum data value over all fields. .. GENERATED FROM PYTHON SOURCE LINES 68-71 .. code-block:: Python disp.min_data .. rst-class:: sphx-glr-script-out .. code-block:: none DPFArray([[-2.76946046e-09, -2.76952549e-09, 0.00000000e+00], [-6.53727285e-13, -6.53452004e-13, -1.66091913e-13]]) .. GENERATED FROM PYTHON SOURCE LINES 72-75 Get maximum data value over targeted field ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Get the maximum data value over a targeted field. .. GENERATED FROM PYTHON SOURCE LINES 75-78 .. code-block:: Python disp.get_max_data_at_field(0) .. rst-class:: sphx-glr-script-out .. code-block:: none DPFArray([2.76941713e-09, 2.76940199e-09, 4.10914311e-10]) .. GENERATED FROM PYTHON SOURCE LINES 79-82 Get minimum data value over all fields ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Get the minimum data value over all fields. .. GENERATED FROM PYTHON SOURCE LINES 82-85 .. code-block:: Python disp.get_min_data_at_field(0) .. rst-class:: sphx-glr-script-out .. code-block:: none DPFArray([-2.76946046e-09, -2.76952549e-09, 0.00000000e+00]) .. GENERATED FROM PYTHON SOURCE LINES 86-90 Get stress result ----------------- Get a stress result that deals with amplitude. It contains a field for real values and a field for imaginary values. .. GENERATED FROM PYTHON SOURCE LINES 90-93 .. code-block:: Python stress_result = solution.stress() .. GENERATED FROM PYTHON SOURCE LINES 94-97 Check if support has complex frequencies ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Check if the support has complex frequencies. .. GENERATED FROM PYTHON SOURCE LINES 97-100 .. code-block:: Python stress_result.has_complex_frequencies() .. rst-class:: sphx-glr-script-out .. code-block:: none True .. GENERATED FROM PYTHON SOURCE LINES 101-104 Get tensor result ~~~~~~~~~~~~~~~~~ Get the ``Result`` for a tensor. .. GENERATED FROM PYTHON SOURCE LINES 104-116 .. code-block:: Python stress = stress_result.tensor # Check number of fields # ~~~~~~~~~~~~~~~~~~~~~~ # Check the number of shell and solid elements in distinct fields. Shell and # solid elements are in distinct fields. Thus, you have four fields: the # solid-real one, the solid-imaginary one, the shell-real one, and the # shell-imaginary one. stress.num_fields .. rst-class:: sphx-glr-script-out .. code-block:: none 2 .. GENERATED FROM PYTHON SOURCE LINES 117-120 Get shell field ~~~~~~~~~~~~~~~ Get the shell field. .. GENERATED FROM PYTHON SOURCE LINES 120-124 .. code-block:: Python shell_field = stress[0] shell_field.shell_layers .. rst-class:: sphx-glr-script-out .. code-block:: none .. GENERATED FROM PYTHON SOURCE LINES 125-128 Get solid field ~~~~~~~~~~~~~~~~ Get the solid field. .. GENERATED FROM PYTHON SOURCE LINES 128-131 .. code-block:: Python solid_field = stress[1] .. GENERATED FROM PYTHON SOURCE LINES 132-135 Plot amplitude contour ~~~~~~~~~~~~~~~~~~~~~~ Plot the amplitude contour. .. GENERATED FROM PYTHON SOURCE LINES 135-139 .. code-block:: Python amplitude = stress_result.tensor_amplitude amplitude.plot_contour() .. image-sg:: /examples/05-Legacy/images/sphx_glr_04-harmonic-analysis_001.png :alt: 04 harmonic analysis :srcset: /examples/05-Legacy/images/sphx_glr_04-harmonic-analysis_001.png :class: sphx-glr-single-img .. GENERATED FROM PYTHON SOURCE LINES 140-144 Get elastic strain result ========================= Get an elastic strain result that deals with phase. It contains a field for real values and a field for imaginary values. .. GENERATED FROM PYTHON SOURCE LINES 144-150 .. code-block:: Python elastic_strain_result = solution.elastic_strain() elastic_strain = elastic_strain_result.tensor # shell and solid elements are in distinct fields. elastic_strain.num_fields .. rst-class:: sphx-glr-script-out .. code-block:: none 2 .. GENERATED FROM PYTHON SOURCE LINES 151-154 Define phase ~~~~~~~~~~~~ Define the phase. The phase must be a float value. The unit is degrees. .. GENERATED FROM PYTHON SOURCE LINES 154-161 .. code-block:: Python es_at_phase = elastic_strain_result.tensor_at_phase(39.0) es_at_phase.max_data es_at_phase.num_fields real_field = elastic_strain_result.tensor_at_phase(0.0) img_field = elastic_strain_result.tensor_at_phase(90.0) .. GENERATED FROM PYTHON SOURCE LINES 162-164 If the result file contains results, you can use this method to get the elastic strain result. .. GENERATED FROM PYTHON SOURCE LINES 164-166 .. code-block:: Python print(solution.elastic_strain()) .. rst-class:: sphx-glr-script-out .. code-block:: none Complex tensor object. Tensor object. Object properties: - location : Nodal Complex elastic strain object. .. rst-class:: sphx-glr-timing **Total running time of the script:** (0 minutes 0.468 seconds) .. _sphx_glr_download_examples_05-Legacy_04-harmonic-analysis.py: .. only:: html .. container:: sphx-glr-footer sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: 04-harmonic-analysis.ipynb <04-harmonic-analysis.ipynb>` .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: 04-harmonic-analysis.py <04-harmonic-analysis.py>` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_