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Explicit Structural Mechanics Using Workbench LS-DYNA
Statics is a thing of the past - highly nonlinear dynamic simulations for real deformations
Learn how to simulate quasi-static processes (forming/joining) and dynamic processes (drop test/crash) with explicit LS-Dyna solvers.
For structural mechanics tasks with pronounced non-linearities and/or short-duration dynamic effects, explicit time integration is a suitable computation method. In this introductory training, you will begin by learning the requisite knowledge of the theory and application of ...
Our offer in detail
This training is offered as a 3-day course or alternatively as
a self-paced eLearning course, in which you should invest a total of 3 learning day(s) with your own time allocation.
01 Theory and Workbench LS-DYNA
- Explicit time integration procedure and typical application areas
- The explicit time step
- LS-DYNA Workbench: Integration of LS-DYNA into Ansys Workbench
02 Analysis settings and postprocessing
- Initial example: Taylor impact
- LS-DYNA results files
- Results evaluation in LS-DYNA Workbench
- Analysis settings
03 Loads, boundary conditions and rigid bodies
- Loads and boundary conditions
- Rigid bodies and point loads
- Example: “Profile bending” forming process with rigid tools
04 LS-PREPOST and keyword snippets
- Post-processing with LS-PREPOST
- Keyword snippets
- Creating keywords in LS-PREPOST
05 Contacts and body interaction
- Bonded contacts
- Friction contacts
- Body interaction (self contact)
- Example: Impact with self contact
06 Contact settings
- Contact stiffness
- Contact search
- Other contact settings
- Keyword snippets for contact
- Example: Crimp process with complex contact situation
07 Quasi-static analysis and result verification
- Quasi-static vs. dynamic analyses
- Energy balance
- Results check
- Example: Quasi-static load capacity computation of a three-point bending test
08 Engineering data and material models
- Engineering data
- LS-DYNA material models
- Keyword snippets for material
- Example: Drawing process with plastic anisotropy
09 Meshing and element formulations
- Hourglassing and hourglass check
- Element formulations for volume elements, shells, and beams
- Meshing in Mechanical for explicit computations
- Discrete element and beam connections
- Rigid Body Extra Nodes
- Example for modeling of screw connections in plastic housing
11 Practical example: “cell phone” drop test
- Model creation with non-linear contacts, meshing, and materials definition
- Computation execution
- Results evaluation and model check
- Discussion of results
- Problem handling for contacts and element formulation
12 Overview of advanced topics
- Bolt preload and dynamic relaxation
- Multistage computation: Birth and death for boundary conditions and contacts
- Initial stresses
- Initial penetration and interference contacts
For structural mechanics tasks with pronounced non-linearities and/or short-duration dynamic effects, explicit time integration is a suitable computation method. In this introductory training, you will begin by learning the requisite knowledge of the theory and application of explicit FEM. The focus topics of the course are modeling in Ansys Workbench and considering non-linear materials and contacts. Using realistic examples, you will learn to simulate quasi-static processes such as forming and joining, or dynamic processes such as drop and impact tests. For displaying results, we will introduce LS-PREPOST in addition to Ansys Mechanical for advanced evaluations. We will also give you the necessary decision criteria for assessing the quality of results.
This training is aimed at users whose responsibilities involve short duration dynamics, such as drop tests and crashes. In addition, it will be of interest to all simulation engineers seeking a solution to highly non-linear tasks in structural mechanics.
You will learn how to use LS-DYNA in the Workbench environment. You will know how to take advantage of the benefits of explicit time integration and be able to use LS-DYNA for your own applications.
Dr. Ing. Benoit Fontenier
Do you have questions on the training or the eLearning?
If you book through your university, you will receive a 50% discount on the stated fee on training courses and eLearning courses.
For more information on the validity and how booking with the code ACADEMIC50 works, please visit our page on training for academic users.
Straight after you sign up, an automatic confirmation of receipt will be sent to the email addresses you provided. Once you have successfully verified the data you provided, you will receive your personalized sign-up confirmation, containing further information on course fees, the billing address, etc., by email within two to three working days.
As soon as the minimum number of attendees has been reached, you will receive a final training confirmation containing further information on how to get to the venue. We recommend that you wait until you have received this final confirmation before booking your travel and accommodation.
If the minimum number of attendees is not reached, we reserve the right to cancel the training seven days before it is due to start at the latest. We are happy to help you change your booking to an alternative date. Please note that we accept no liability for hotel or travel bookings that attendees have already made.
Usually the training courses start at 9:00 am and end at 5:00 pm of the respective local time. The actual course times will be stated in the booking confirmation. Please note that, depending on the training host, there may be a possible time shift between your and the provider's local time. Therefore all local times are provided with the valid time shift to Greenwich Mean Time (GMT).
To get a clear impression of our online learning format, we offer you a trial allowing you access to the starting module of an eLearning course of your choice. No costs, no cancellation period or anything similar. Moreover, with this free test access you can check all the technical requirements for a smooth learning process. You can easily request the free module from any eLearning course.
Each online course day comprises four eLearning modules. You should ideally allow 90 to 120 minutes of uninterrupted learning time for each module. This will allow you to acquire the knowledge provided by a module and to consolidate it through quiz questions and Ansys exercises. By dividing each module into micro learning units, you can also make good use of smaller time windows, such as on your commute.
Prerequisite for the use of the eLearning courses is the use of a personal access to the CADFEM learning platform.
Upon purchase, the duration of use of your eLearning course is 12 months. After expiration of the usage period you have access to your completed eLearning course for another 12 months.
As a user of a learning subscription plan, the duration of use of your flat rate is 12 months. After this period of use has expired, you will have access to your completed eLearning course for a further 12 months.
Dr. sc. Jörg Helfenstein
What CADFEM customers are saying
Development Engineer, Drägerwerk AG & Co. KGaA
The course 'Explicit Structural Mechanics Using Workbench LS-DYNA' from CADFEM was recommended to me by a colleague and I wholeheartedly endorse this recommendation. The content was presented very clearly, and the diverse workshop tasks were very well aligned with the course content.
R&D Innovation & Applied Science, ERNI DEUTSCHLAND GmbH
The CADFEM course Introduction to explicit structural mechanics with Workbench LS-Dyna is the best training for learning simulation with Ansys LS-Dyna! I wholeheartedly recommend the new online training format.
The right training, hardware and additional software products are the keys to success when it comes to a quick introduction to simulation.