.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "examples\01-Detailed-Examples\06-compute-min-max.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_01-Detailed-Examples_06-compute-min-max.py: .. _ref_compute_statistics_example: Compute minimum and maximum of a DataFrame ========================================== **计算 DataFrame 的最小值和最大值** 在本示例中，瞬态分析位移数据用于演示如何计算给定 DataFrame 的最小值或最大值。 .. GENERATED FROM PYTHON SOURCE LINES 12-15 Perform required imports ------------------------ **执行所需的导入** .. GENERATED FROM PYTHON SOURCE LINES 17-18 本示例使用了一个提供的文件，您可以通过导入 DPF ``examples`` 包获得该文件。 .. GENERATED FROM PYTHON SOURCE LINES 18-22 .. code-block:: Python from ansys.dpf import post from ansys.dpf.post import examples .. GENERATED FROM PYTHON SOURCE LINES 23-26 Load the result file -------------------- **将结果文件加载到允许访问结果的 ``Simulation`` 对象中。** .. GENERATED FROM PYTHON SOURCE LINES 28-29 必须使用结果文件的路径实例化 ``Simulation`` 对象。例如，Windows 下为 ``"C:/Users/user/my_result.rst"`` 或 Linux 下为 ``"/home/user/my_result.rst"`` 。 .. GENERATED FROM PYTHON SOURCE LINES 29-40 .. code-block:: Python example_path = examples.download_crankshaft() # 自动检测模拟类型，请使用 simulation = post.load_simulation(example_path) # 要启用自动完成功能，请使用等效的命令： simulation = post.StaticMechanicalSimulation(example_path) # 打印 simulation，了解可用内容的概况 print(simulation) .. rst-class:: sphx-glr-script-out .. code-block:: none Static Mechanical Simulation. Data Sources ------------------------------ C:\Users\ff\AppData\Roaming\Python\Python310\site-packages\ansys\dpf\core\examples\result_files\crankshaft\crankshaft.rst DPF Model ------------------------------ Static analysis Unit system: MKS: m, kg, N, s, V, A, degC Physics Type: Mechanical Available results: - displacement: Nodal Displacement - velocity: Nodal Velocity - acceleration: Nodal Acceleration - 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 - structural_temperature: ElementalNodal Temperature ------------------------------ DPF Meshed Region: 69762 nodes 39315 elements Unit: m With solid (3D) elements ------------------------------ DPF Time/Freq Support: Number of sets: 3 Cumulative Time (s) LoadStep Substep 1 1.000000 1 1 2 2.000000 1 2 3 3.000000 1 3 .. GENERATED FROM PYTHON SOURCE LINES 41-44 Extract displacement data ------------------------- **提取位移数据** .. GENERATED FROM PYTHON SOURCE LINES 44-48 .. code-block:: Python displacement = simulation.displacement(all_sets=True) print(displacement) .. rst-class:: sphx-glr-script-out .. code-block:: none results U (m) set_ids 1 2 3 node_ids components 4872 X 5.6781e-06 -5.9469e-06 -3.4137e-05 Y 5.1667e-04 1.0318e-03 1.5417e-03 Z -3.2535e-06 -4.1346e-06 -2.6398e-06 9005 X -2.6323e-06 -2.1432e-05 -5.5625e-05 Y 4.8445e-04 9.6717e-04 1.4448e-03 Z -4.9795e-07 1.2790e-06 5.3134e-06 ... ... ... ... ... .. GENERATED FROM PYTHON SOURCE LINES 49-52 Compute the maximum displacement for each component at each time-step --------------------------------------------------------------------- **计算每个分量在每个时间步长的最大位移** .. GENERATED FROM PYTHON SOURCE LINES 52-60 .. code-block:: Python # 默认的 `axis` 参数是 MeshIndex maximum_over_mesh = displacement.max() print(maximum_over_mesh) # 与之等效的命令为 maximum_over_mesh = displacement.max(axis="node_ids") print(maximum_over_mesh) .. rst-class:: sphx-glr-script-out .. code-block:: none results U (m) set_ids 1 2 3 components X 7.3303e-04 1.4495e-03 2.1441e-03 Y 1.3962e-03 2.7884e-03 4.1656e-03 Z 2.1567e-04 4.3321e-04 6.5135e-04 results U (m) set_ids 1 2 3 components X 7.3303e-04 1.4495e-03 2.1441e-03 Y 1.3962e-03 2.7884e-03 4.1656e-03 Z 2.1567e-04 4.3321e-04 6.5135e-04 .. GENERATED FROM PYTHON SOURCE LINES 61-64 Compute the maximum displacement for each node and component across time ------------------------------------------------------------------------ **计算每个节点和组件在不同时间段的最大位移** .. GENERATED FROM PYTHON SOURCE LINES 64-68 .. code-block:: Python maximum_over_time = displacement.max(axis="set_ids") print(maximum_over_time) .. rst-class:: sphx-glr-script-out .. code-block:: none results U (m) node_ids components 4872 X 5.6781e-06 Y 1.5417e-03 Z -2.6398e-06 9005 X -2.6323e-06 Y 1.4448e-03 Z 5.3134e-06 ... ... ... .. GENERATED FROM PYTHON SOURCE LINES 69-72 Compute the maximum displacement overall ---------------------------------------- **计算整体最大位移** .. GENERATED FROM PYTHON SOURCE LINES 72-76 .. code-block:: Python maximum_overall = maximum_over_time.max() print(maximum_overall) .. rst-class:: sphx-glr-script-out .. code-block:: none results U (m) components X 2.1441e-03 Y 4.1656e-03 Z 6.5135e-04 .. GENERATED FROM PYTHON SOURCE LINES 77-80 Compute the minimum displacement for each component at each time-step --------------------------------------------------------------------- **计算每个分量在每个时间步的最小位移** .. GENERATED FROM PYTHON SOURCE LINES 80-88 .. code-block:: Python # 默认的 `axis` 参数是 MeshIndex minimum_over_mesh = displacement.min() print(minimum_over_mesh) # 与之等效的命令为 minimum_over_mesh = displacement.min(axis="node_ids") print(minimum_over_mesh) .. rst-class:: sphx-glr-script-out .. code-block:: none results U (m) set_ids 1 2 3 components X -7.4732e-04 -1.5081e-03 -2.2755e-03 Y -4.0138e-04 -8.0316e-04 -1.2014e-03 Z -2.1555e-04 -4.3299e-04 -6.5101e-04 results U (m) set_ids 1 2 3 components X -7.4732e-04 -1.5081e-03 -2.2755e-03 Y -4.0138e-04 -8.0316e-04 -1.2014e-03 Z -2.1555e-04 -4.3299e-04 -6.5101e-04 .. GENERATED FROM PYTHON SOURCE LINES 89-92 Compute the minimum displacement for each node and component across time ------------------------------------------------------------------------ **计算每个节点和组件在不同时间段的最小位移** .. GENERATED FROM PYTHON SOURCE LINES 92-96 .. code-block:: Python minimum_over_time = displacement.min(axis="set_ids") print(minimum_over_time) .. rst-class:: sphx-glr-script-out .. code-block:: none results U (m) node_ids components 4872 X -3.4137e-05 Y 5.1667e-04 Z -4.1346e-06 9005 X -5.5625e-05 Y 4.8445e-04 Z -4.9795e-07 ... ... ... .. GENERATED FROM PYTHON SOURCE LINES 97-100 Compute the minimum displacement overall ---------------------------------------- **计算整体最小位移** .. GENERATED FROM PYTHON SOURCE LINES 100-103 .. code-block:: Python minimum_overall = minimum_over_time.min() print(minimum_overall) .. rst-class:: sphx-glr-script-out .. code-block:: none results U (m) components X -2.2755e-03 Y -1.2014e-03 Z -6.5101e-04 .. rst-class:: sphx-glr-timing **Total running time of the script:** (0 minutes 2.332 seconds) .. _sphx_glr_download_examples_01-Detailed-Examples_06-compute-min-max.py: .. only:: html .. container:: sphx-glr-footer sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: 06-compute-min-max.ipynb <06-compute-min-max.ipynb>` .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: 06-compute-min-max.py <06-compute-min-max.py>` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_