Aug 14, 20 submodeling is one of those tricks in stress analysis that used to be used all the time. This tutorial illustrates how to build and compute a frequency analysis of an aluminum cantilever beam. Creating the submodel boundary condition abaquscae users. Learn more about the simulia abaqus software and how to use it with these abaqus simulation tutorials. Then i create a submodel analysing only a small portion of the. This video tutorial shows you submodeling technique. For example, a static analysis performed in abaqusstandard can drive a quasistatic abaqusexplicit analysis in the submodel. Explicit drop test and submodeling with ansys lsdyna. Secondary objective was to investigate how well a performed fullscale crash could be simulated in abaqusexplicit. Simulation resources and abaqus documentation for abaqus impact and crash analysis technology. Evaluation of the submodeling technique for analyzing electronic components 5c. Context sensitive help is also available within cae. Understand the difference between substructuring and submodeling build, translate, rotate and reflect substructures build preloads into substructures design meshes for.
Submodeling in ansys workbench by dave looman, ansys, inc. Sub modeling is a finite element technique used to get more accurate results in a region of the model. Submodeling can be applied quite generally in abaqus. Crashworthiness simulation of automobiles with abaqusexplicit. The user must be careful to define suitable cutboundary limits. But until recently it was a bit of a pain to do in ansys mechanical so it fell out of use. What we will cover today what is finite element analysis what can we use finite element analysis for. Oct 27, 2017 in this webinar, we will present one of the submodelling approach available in abaqus. Understand the difference between substructuring and submodeling build, translate, rotate and reflect substructures build preloads into substructures design meshes for submodel analysis perform solid to solid, shell to shell, and shell to solid submodeling. Abaquscae postprocessor is called the visualization module and is also licensed as a separate product called abaqusviewer. Apr 05, 2017 sub modeling is a finite element technique used to get more accurate results in a region of the model.
In this webinar, we will present one of the submodelling approach available in abaqus. There is no predefined system of units within abaqus, so the user is responsible for ensuring that the. Evaluation of the submodeling technique for analyzing electronic components by brian m. Abaqus has procedures for nodebased submodeling and surfacebased. Warp3d, abaqus and ansys are available in a wide range of software platforms, and. Theory of substructures substructures and submodeling with abaqus legal notices the abaqus software described in this documentation is available only under license from dassault systemes and its subsidiary and may be used or reproduced only in accordance with the. The purpose of the example is to demonstrate how the technique can be applied to structural elements of an fe model with large differences in length scales. Pressure vessel nozzle analysis lecture 11 abaqus usage and examples part 2 workshop 4 submodeling.
Finite element analysis of a cantilever beam abaqus. Submodeling in abaqus submodeling in abaqus akm17 aeronautics op 17 feb 16 09. The submodeling technique was applied to a simplified geometry of an electronic component. Jun 02, 20 hello abaqus users, i am confused about applying the loads and boudnary conditions to the submodel. Pdf applications of submodeling in structural mechanics. This indepth, industryspecific course covers a wide variety of abaqus functionality that can help overcome the unique analysis challenges commonly faced by the offshore oil and gas industry, like. In the first one, you define the superelement, telling abaqus what nodes of the submodel define the element. Other companies can sign up and receive a free webinar once. Pdf application of the finite element submodeling technique in a.
Pdf submodeling techniques implemented in commercial finite element codes. Globallocal models of a mobile electronic device with a bga package are prepared within the workbench environment for lsdyna. Pdf finite element fe simulation is a powerful tool to study and predict. Ceramic metal braze joint lecture 12 submodeling practices workshop 5 submodeling. Kim fea tutorial 2 helpful tips before getting started use exceed 9. Nov 25, 2015 on this page you can read or download python scripts for abaqus learn by example free download in pdf format. Hi all, i have the input odb file with customized step created in step module. How to strike the right balance between accuracy and solve times has been a major consideration for analysts since the inception of fea. Air force institute of technology air university air education and training command in partial ful llment of the requirements for the degree of master of science in aeronautical engineering aaron chmiel, bs march 2008 approved for public release. My question is shall i apply these loads to the submodel.
On this page you can read or download download boo python script for abaqus in pdf format. The submodel includes the local geometric details with an appropriate mesh density. Submodeling is one of those tricks in stress analysis that used to be used all the time. For the cantilever beam tutorial, you will enter the following abaquscae modules and. In an ideal world we would include all parts and mesh each thread and fillet to ensure we have captured every detail of the model accurately. The tutorial is intended to serve as a quick introduction to the software for the students in professor des mane 4240civl 4240 course at rpi and should, in no way, be deemed as a replacement of the official documentation distributed by the company that sells this software. This in depth, industryspecific course covers a wide variety of abaqus functionality that can help overcome the unique analysis challenges commonly faced by the offshore oil and gas industry, like. For nodebased submodeling this will usually be displacements and for surface based submodeling this is stress.
Abaqus for petroleum geomechanics course objective. For example, abaqus determines the displacements of the global model at a. Abaqus tutorial 4 part module 1 creating the plate to create the plate the base feature, you create a threedimensional, deformable, shell planar part according to the instructions below. Pulsating flow in a bifurcated vessel with abaquscfd. Anyway this guide wont to be an exhaustive tutorial in order to learn abaqus, its function is limited to a teaching support, thought the possibility to be used by everyone. This course provides an overview to available and emerging finite element based solutions utilized in exploration and production, and provides a comprehensive introduction to the modeling and analysis capabilities of abaqus. Python scripts for abaqus learn by example free download. Lecture 6 remote boundary conditions and constraint. Explicit drop test and submodeling with ansys lsdyna chris cowan ozen engineering, inc. A fullscale test was conducted and the parapet installation and vehicle. Nov 25, 2015 on this page you can read or download download boo python script for abaqus in pdf format. Aug 14, 2017 with submodeling in abaqus you can use a global model to determine suitable loads and boundary conditions for a submodel and prescribe them. Hello abaqus users, i am confused about applying the loads and boudnary conditions to the submodel.
Vehicleoccupantpedestrian interaction simulations are an example where the submodeling technique can be used efficiently. To use nodebased submodeling, you create a submodel boundary condition. Evaluation of the submodeling technique for analyzing electronic components brian m. Abaqus cae vibrations tutorial problem description the table frame, made of steel box sections, is fixed at the end of each leg. Asee introduction to abaqus workshop what to do to get started open abaqus 6. In abaqus a umeshmotion routine can be implemented by the user to. Day 2 lecture 8 introduction to submodeling lecture 9 submodeling in abaqus lecture 10 abaqus usage and examples part 1 workshop 3 submodeling. The tutorial is intended to serve as a quick introduction to the software for the students in professor des mane 4240civl 4240 course at rpi and. The typical example of the submodeling application is a stress concentration. Sheet metal stampings stacked and fitted on top of each other and secured. This tutorial illustrates how to build and compute a frequency analysis of an. Substructures and submodeling with abaqus dassault systemes.
This video tutorial shows you sub modeling technique. For additional information, see the trademark and license notices in the abaqus version 6. Evaluation of the submodeling technique for analyzing. On this page you can read or download python scripts for abaqus learn by example free download in pdf format. My global model is subjected to uniform distributed load applied on the top surface of the model, and gravity loads. Since the results from the static analyses performed in this example are used in a subsequent. Understand the difference between substructuring and submodeling build, translate, rotate and reflect substructures build preloads.
In this simple tutorial, i run an analysis of a global model, coarsely meshed. In these guides we will use the graphical interface of abaqus, because it is, in our opinion, the simpler way to learn about this software. Regional contact information is listed in the front of each abaqus manual and is accessible from. The most common, and more general technique, is nodebased submodeling, which uses a nodal results field including displacement, temperature, or pressure degrees of freedom to interpolate global model results onto the submodel nodes. This course is recommended for engineers with experience using abaqus. Other company, product, and service names may be trademarks or service marks of their respective owners. Dynamic and impact analysis of aerospace vehicles using abaqusexplicit 17 methodology used for analysis of satellite impact was to start simple and add increasing complexity methodology use existing loads dynamics model for analysis can translate from nastran using fromnastran utility define impact analysis. Submodeling in abaqus akm17 aeronautics op 17 feb 16 09. You enter a module by selecting it from themodule list in the context bar, as shown in figure b2. A subsequent tutorial completing the same example using beam elements can be. Substructures and submodeling with abaqus additional material appendix 1. Submodeling was proved to be a promising tool for wear modelling and the proposed procedure to be particularly suitable for the study of some tribological aspects that have been always considered.
Upon completion of this course you will be able to. As a preliminary analysis perform free vibration analysis to obtain 30 vibration modes and their natural frequencies. Understand the difference between substructuring and submodeling. Now,should i select static,general step or create same customized step once again to get the same result for the sub model. Abaqus training accessible 24 hours a day and 7 days a week to study abaqus on the online companion platform on your own pace. Now, the process of doing submodeling is easy, efficient, and accurate. Course objectives upon completion of this course you will be able to. For nodebased submodeling this will usually be displacements and for surfacebased submodeling this is stress. What there is to understand about submodeling is that it is a 2step process. Finite element models using solid elements will be analyzed. Abaquscae vibrations tutorial problem description the table frame, made of steel box sections, is fixed at the end of each leg. Submodeling compresses the processing requirements to obtain detailed results at specific locations within the assembly.
A full or global model representing the entire structure is used to transform global loads to local deformation. Abaqus and ansys have similar large memory requirements. Use submodeling in abaqus to focus on region of larger model. In summary, with submodeling you can use a global model to determine suitable loads andor boundary conditions for a submodel and prescribe them. Submodel stress analysis of pressure vessel closure hardware. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. If you dont see any interesting for you, use our search form on bottom v. Determine the first 10 eigenvalues and natural frequencies. Hopkins weapons and materials research directorate, arl approved for public release. Simulation of vehicle crash into bridge parapet using. Abaqusstandard, abaqusexplicit, abaquscae, abaqusviewer, abaqusaqua, abaqusdesign, abaqusfoundation, and the abaqus logo. Dynamic and impact analysis of aerospace vehicles using.
If your pc has insufficient memory to run large problems, one option is to use feacrack as a pre and postprocessor and run the finite element analysis on a unix workstation or mainframe computer. The main steps are creating a reference to the global model in the model attributes and applying appropriate submodel loads andor boundary conditions. Submodeling is very importance in finite element modeling, you can save huge computation time. Thanks sdebock i know the theory behind the substructures and submodeling. Submodeling is classified first according to which of two basic techniques is used. Substructures and submodeling with abaqus abaqus 2018. Submodel boundary must be far from critical regions. The submodel stampings are truncated versions of the global model, located in the same physical position as the global model. The primary objective of this master thesis was to investigate if abaqusexplicit could be used as the. Simulation of vehicle crash into bridge parapet using abaqus. Submodeling final remarks submodeling is an useful technique to study large structures in detail. It then computes the stiffness matrix, and your submodel effectively becomes a normal element you can incorporate to your simulation. Lecture 9 submodeling in abaqus lecture 10 abaqus usage and examples part 1 workshop 3 submodeling.
1286 373 1422 432 1172 1414 678 117 1033 1078 1506 1451 780 1075 963 1308 471 1341 964 95 298 1254 1207 952 1375 118 638 903 595 616 1110 844 1110 1107 667 553 1009 9