Course objectives upon completion of this course you will be able to. Finally, you use the visualization module of abaqus cae to read the output database and view the results of your analysis the interface of abaqus cae is shown in fig. Field output and history output are controlled by output database requests as. Set up and create cfd and fsi models with abaqus perform cfd analyses with abaqus perform fsi analyses with abaqus postprocess cfd and fsi results targeted audience.
Read field output data from selected steps, frames, and regions. Determine the first 10 eigenvalues and natural frequencies. Read model data describing the sections and materials and where they are used in an assembly. Reading xy data from output database history output. Instructions on how to fetch and run the script are given in appendix a. Click the arrow, and select the name from the list of contour integrals that appears. From the main menu bar select result history output. The main output screen of abaqus cae where pre and post processing data is visualized. You will now display the undeformed model shape and use the plot options to enable. To obtain the desired plots, it is necessary to select the variables that you want to analyse.
To meet this need for result images, the concept of the plot output file was born. This tells you the names that abaqus has assigned to any node or element sets you used in history output requests. Select contour integral to request that abaqus write history data to the output database for only the contour integral that you specify. Large deformation analysis of beamplate in bending in this tutorial, youll learn how to. For a dynamic consideration, i want to plot the displacement over time of a single node for example in xdirection so in abaqus cae i choose the way. This will copy an image of the active window to the clipboard. Usage information is provided for both the keyword and the abaqus cae interfaces. The output is not as polished as tetra4d but it works.
How to define history region in history output definition. Since this additional output can not be defined within the graphical interface of abaqus cae, a manual modification of the input file is necessary. Usage information is provided for both the keyword and the abaqus cae interfaces where applicable. You must combine the plots for the integration point of interest, eliminating the time dependence, to produce the desired stressstrain plot. It is necessary to understand the relationship of variables between engineering and abaqus output in visualization module, which will help new users get a correct analysis data and carry out validation. To produce an xy plot of history data from an output database. Abaqus cae vibrations tutorial problem description the table frame, made of steel box sections, is fixed at the end of each leg. Overvelde december 12, 2010 introduction scripting is a powerful tool that allows you to combine the functionality of the graphical user interface gui of abaqus and the power of the programming language python. When you request output from a contour integral, the history output request editor allows you to select only the frequency of output, the number of contour integrals, and. There is no predefined system of units within abaqus, so the user is responsible for ensuring that the.
You should also be aware that your plot shows pe11, which may be a small component because your beam is probably not. Hi all, i would like to know which is the difference between field output request and history output requests plese,can somebody help me. How to view the distribution of plastic strain in abaqus. Abaqus cae is the preprocessor and abaqus viewer in the post processor. Abaqusstandard output variable identifiers, section 4. See the abaqus scripting users guide for a description of how to use the abaqus. Write model data, field output data, and history data to an existing output database or to a new output database. This manual is a complete reference for all of the capabilities of both abaqus standard and abaqus explicit and contains a description of the elements, material models, procedures, input specifications, etc. How to plot xy history output in a cylindrical csys abaqus. The history output dialog box lists all history output saved during the analysis, giving the variable name and the location at which it was saved. Abaqusexplicit output variable identifiers, section 4. First, we have to emphasize that abaqus python is not the best place to run any calculation or to plot things.
You can modify the analysis history of an object by using the five buttons. We usually view field output data using deformed shape, contour, or symbol plots. Here we are trying to get nodal displacements to generate a stress strain type curve from the computation. Differences between field output and history output. In addition to the standard output identifiers available in abaqus abaqus standard output variable identifiers, section 4. Introduction when generating a model using the abaqusr gui, you create a set of instructions for the interpreter to gener. Conduct a geometrically nonlinear analysis using nlgeom option. If you want to work in the abaquscae environment, prepare the plot of global. Regional contact information is listed in the front of each abaqus manual and is accessible from the locations page at support for simulia products. Abaqus analysis users manual abaqus analysis users manual. Abaqus viewer reads outputdatabase file createcontour plots, animations, xy plots, tabularoutput abaqusresults. Main abaqus analysis users manual, volume 1, version 6. Then, in the visualization module, go to create xy data odb field output in the variables tab specify the variables you want to plot and in the elementnode tab specify the elements or nodes in which you want the results. Abaqus cae uses history output to generate xy plots in the visualization module.
What is the difference between field output and history. If a principal value is desired as historytype output, it must be requested explicitly. This manual is not meant to be a complete abaqus script manual. A brief introduction on how to read an abaqusr input. Select tools xy data create from the main menu bar to launch the create xy data dialog box. As a result, you typically request that abaqus write field data to the output database at a low rate. Each of the curves is a history variable versus time plot. If a principal value is desired as historytype output, it must be requested. Learn abaqus script in one hour harvard university. Introduction to abaquscfd for multiphysics applications 6. Field output is data spatially distributed over the entire model or over a portion of it. Manual for the computational exercise in tmm4160 fracture mechanics.
History output from an abaqus standard analysis is available after 10 increments are written to the output database. This file contains a brief summary of the progress of an analysis. Then, in the visualization module, go to create xy data odb field output in the variables tab specify the variables you want to plot and in the elementnode tab specify the elements or. Using a script you can automate a repetitive task, vary parameters of a simulation as part of an optimization study, extract information from large output databases, and can even create user interfaces that customize the look and feel of abaqus, hiding parts of. Im working on a pipe geometry where forces are applied.
The amount of field output generated by abaqus during an analysis is often large. A brief introduction on how to read an abaqus r input. Quick guide to abaqus cae the abaqus cae workspace the abaqus cae workspace fig. It could be because of field and history output requests also. Patran is an established pre and postprocessor for abaqus. Abaqus abaqus explicit abaqus standard acceleration algorithm approximation associated assumed axis axisymmetric base vectors beam behavior boundary bulk viscosity calculated cavity components constraint coordinates crack current configuration damping defined deformation gradient degrees of freedom density. Im looking for a way to plot xy history output results in a cylindrical csys its ok with field output but not for history. Just run this script from abaqus cae or abaqus viewer. By default, abaqus will not print an echo of the input file or the model and history.
Nodal history data written to the output database are always stored in the. To create the output request use outputhistory output requests create. Plot different fea output with respect to each other e. You do not have permission to edit this page, for the following reason. Abaqus theory manual hibbitt, karlsson and sorensen. Abaqus standard to abaqus explicit abaqus cfd to abaqus standard or abaqus explicit visualization of model and output data model plotting model and results data deformed, contour, vectortensor, path, extreme value, plystack, through thickness, tick mark, overlay, material orientation, and xy plots loads display. Abaqus caecomposite shell through thickness bending stress plot tutorial 3point bend abaqus std. Requests container in the model tree and opening the history output editor. Conversion tables, constants, and material properties. Muschenbornsonne forming limit stress diagram msfld damage initiation. If this list is empty, history output is not available. The rate of output depends on how you want to use the data that are generated by the analysis, and the rate can be very high. Muschenbornsonne forming limit stress diagram msfld damage initiation criterion. The optimal choice of strain measure depends on analysis type, material behavior, and to some degree personal preference.
Individual components of variables can be requested as historytype output in the output database for xy plotting in abaquscae. To combine history curves to produce a stressstrain plot. Introduction to abaquscfd for multiphysics applications. Select one or more variables that you want to read.
By default, the strain output in abaqus standard is the integrated total strain output variable e. Messages and instructions are displayed in the prompt area. The abaqus software is inherently complex, and the examplesand procedures in this manual are not intended to be exhaustive or to apply to any particular situation. Pdf version of this manual provides basic information about the capabilities of abaqus cae in a printerfriendly form. You invoke the field and history output editors from the field output requests manager and the history output requests manager to select the variables that abaqus cae will write to the output database during the analysis, as well as the frequency at which they are written and the regions and section points from which they are written. Fundamentalsofaeroelasticanalysis introductiontoaeroelasticanalysisanddesign aerodynamicdatainputandgeneration aerodynamictheories. This guide is a complete reference for all of the capabilities of abaqus standard, abaqus explicit, and abaqus cfd and contains a description of the elements, material models, procedures, input specifications, etc. You can then paste the clipboard contents into another file, such as a word document, for printing. How to extract xy type data from an abaqus cae session. I have not tried this with the latest version of meshlab.
You use the history output requests manager to request output of variables that. Click the variables tab, if it is not already selected. Here we are trying to get nodal displacements to generate a stress strain type curve from the comput. How to define history region in history output definition for abaqus python scripting.952 409 536 23 1412 482 544 137 689 179 261 1356 742 112 1264 1277 782 1149 561 1498 442 376 1067 444 437 1411 708 641 778 488 1464 1414 1036