.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "examples/NVH/nvh_frf_solid.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_NVH_nvh_frf_solid.py: FRF for a colume model with a hole ================================== This example shows a column with a hole using solid elements. The executable file for LS-DYNA is ``ls-dyna_smp_d_R13.1_138-g8429c8a10f_winx64_ifort190.exe``. .. GENERATED FROM PYTHON SOURCE LINES 9-94 .. rst-class:: sphx-glr-script-out .. code-block:: none '/server/output' | .. code-block:: Python import os import sys from ansys.dyna.core.pre import launch_dynapre from ansys.dyna.core.pre.dynamaterial import MatPiecewiseLinearPlasticity from ansys.dyna.core.pre.dynanvh import ( DynaNVH, FrequencyDomain, ExcitationDOF, NodeSet, SolidPart, SolidFormulation, ResponseDOF, ResponseType, EnergyFlag, OutputEcho, ExcitationType ) from ansys.dyna.core.pre import examples from ansys.dyna.core.pre.misc import check_valid_ip hostname = "localhost" if len(sys.argv) > 1 and check_valid_ip(sys.argv[1]): hostname = sys.argv[1] solution = launch_dynapre(ip = hostname) fns = [] path = examples.nvh_frf_solid + os.sep fns.append(path + "frf_solid.k") solution.open_files(fns) solution.set_termination(termination_time=1) nvhobj = DynaNVH() solution.add(nvhobj) nvhobj.set_energy(hourglass_energy=EnergyFlag.COMPUTED) nvhobj.set_output(print_suppression_d3hsp=True,print_suppression_echo=OutputEcho.SUPPRESSED_NODAL_AND_ELEMENT_PRINTING) nvhobj.implicitanalysis.set_initial_timestep_size(1.0) nvhobj.implicitanalysis.set_eigenvalue(number_eigenvalues=100) nvhobj.implicitanalysis.set_solution(solution_method=1) fd = FrequencyDomain() outputset = [290,292,294,296,298,300,302,304,306,380,382,384,386,388,390,482,484,486,488,490,492,578,580,582,638,640,706,708] fd.set_frequency_response_function( excitation_input_dof=ExcitationDOF.X, excitation_input_type=ExcitationType.BASE_ACCELERATION, max_natural_frequency=20, modal_damping_coefficient=0.01, response_output_set=NodeSet(outputset), response_output_dof=ResponseDOF.X, response_output_type=ResponseType.BASE_ACCELERATION, frf_output_min_frequency=0.01, frf_output_max_frequency=10, frf_output_num_frequency=1000, ) nvhobj.add(fd) plastic1 = MatPiecewiseLinearPlasticity( mass_density=4.99e-07, young_modulus=11.37,poisson_ratio=0.32, yield_stress=0.0468 ) plastic2 = MatPiecewiseLinearPlasticity( mass_density=4.99e-07, young_modulus=110.37,poisson_ratio=0.32, yield_stress=0.0468 ) lower = SolidPart(4) lower.set_material(plastic1) lower.set_element_formulation(SolidFormulation.IMPLICIT_9_POINT_ENHANCED_STRAIN) nvhobj.parts.add(lower) upper = SolidPart(5) upper.set_material(plastic2) upper.set_element_formulation(SolidFormulation.IMPLICIT_9_POINT_ENHANCED_STRAIN) nvhobj.parts.add(upper) spc = [163,166,169,172,175,178,181,184,187,307,310,313,316,319,322,391,394,397,400,403,406,493,496,499,589,592,645,648] nvhobj.boundaryconditions.create_spc(NodeSet(spc)) solution.create_database_binary(dt=0.1) solution.set_output_database( glstat=0.1, matsum=0.1, ) solution.save_file() .. rst-class:: sphx-glr-timing **Total running time of the script:** (0 minutes 0.030 seconds) .. _sphx_glr_download_examples_NVH_nvh_frf_solid.py: .. only:: html .. container:: sphx-glr-footer sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: nvh_frf_solid.ipynb ` .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: nvh_frf_solid.py ` .. container:: sphx-glr-download sphx-glr-download-zip :download:`Download zipped: nvh_frf_solid.zip ` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_