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https://lsdyna.ansys.com/knowledge-base/simple-examples/intro-by-jim-day/elements/ LSDYNA Elements Different element types are presented lsdyna elements https://lsdyna.ansys.com/license-file-and-usage-2/ LSDYNA License File and Usage The WorldSID is distributed with a license file which uses an expiry date. The license file is sent to the... license file lsdyna usage https://lsdyna.ansys.com/knowledge-base/ls-prepost/tutorials/extended-tutorials/tutorial-6-extended-tutorials/ LSDYNA Tutorial 16 lsdyna tutorial 16 https://lsdyna.ansys.com/knowledge-base/ale/fsi/ LSDYNA FSI A bar impacts a water surface. The coupling of this model is simulated in different quadrature points. lsdyna fsi https://lsdyna.ansys.com/ls-dyna-v971-r6-1-0-r6-74904-released/ LSDYNA LS-DYNA V971 R6.1.0 (R6.74904) released New version of LS-DYNA is released for all common platforms. Release notes for Version 971 R6.1.0 Herein are summarized new... lsdyna ls dyna v971 r6 1 0 released https://lsdyna.ansys.com/ls-tasc-2/ LSDYNA LS-TaSC FAQs on LS-TaSC What is topology optimization? Topology optimization is a structural design optimization technique for distributing material efficiently... lsdyna ls tasc https://lsdyna.ansys.com/soft-option-2/ LSDYNA SOFT option SOFT = 1 option The contact formulation invoked by setting Soft=1 on optional card A of *CONTACT is not so radical a... soft option lsdyna https://lsdyna.ansys.com/dummies-d67/ LSDYNA Pedestrian Legforms Sep 1, 2022 - The Pedestrian Legform models are intended for tests involving impact between the front section of a passenger vehicle and pedestrians.... lsdyna pedestrian https://lsdyna.ansys.com/knowledge-base/thermal/thermal-thick-and-thin-shells/ LSDYNA Thermal thick and thin shells lsdyna thermal thick thin shells https://lsdyna.ansys.com/when-i-trim-the-blank-using-iges-file-there-is-a-message-such-as-entity-type-xxx-form-0-not-supported-lines-x-what-does-it-mean/ LSDYNA When I trim the blank using IGES file, there is a message such as “Entity type xxx form 0... It means that one of the entities in the IGES file is not supported by LSDYNA. If you encounter this... type xxx lsdyna trim blank using https://lsdyna.ansys.com/getting-started-2/ LSDYNA Getting Started LS-OPT Setup of a simple optimization problem in LS-OPT LS-TaSC Setup of a simple topology optimization problem in LS-TaSC getting started lsdyna https://lsdyna.ansys.com/ls-dyna-r8-1-0-r8-105896-released/ LSDYNA LS-DYNA R8.1.0 (R8.105896) released New version of LS-DYNA is released for all common platforms. Release notes for Version R8.1.0. Herein are summarized enhancements and... lsdyna ls dyna 1 0 r8 released https://lsdyna.ansys.com/support/ls-opt-support/faqs/ LSDYNA FAQs lsdyna faqs https://lsdyna.ansys.com/knowledge-base/incompressible-computational-fluid-dynamics/ LSDYNA ICFD / Incompressible CFD Incompressible Computational Fluid Dynamics (ICFD) focuses on the solution of CFD problems, where the incompressibility constraint may be applied, e. g. ground... lsdyna cfd https://lsdyna.ansys.com/pubic-symphysis-load-cell/ LSDYNA Pubic Symphysis Load Cell Item Beam ID Label Channels in physical dummy Pubic Symphysis Load Cell 10007 PUBC0000WS One-channel load cell Pubic load cell... load cell lsdyna pubic symphysis https://lsdyna.ansys.com/user-defined-result-extraction/ LSDYNA User Defined Result Extraction Examples and information on the use of external programs for results extraction. General General information on user-defined history and response... user defined result extraction lsdyna https://lsdyna.ansys.com/knowledge-base/ls-prepost/faq/ LSDYNA FAQ Frequently Asked Questions lsdyna faq https://lsdyna.ansys.com/examples/ LSDYNA Examples This section demonstrates LS-OPT capabilities by means of a series of examples. Optimization Crashworthiness optimization, shape optimization Parameter... lsdyna examples https://lsdyna.ansys.com/lstc-barrier-models/ LSDYNA LSTC Barrier Models Aug 17, 2022 - LSTC offers several Offset Deformable Barrier (ODB) and Movable Deformable Barrier (MDB) models: LSTC ODB and MDB models are developed... lsdyna lstc barrier models https://lsdyna.ansys.com/pelvis-acceleration-2/ LSDYNA Pelvis Acceleration Location of node for extracting pelvis acceleration The figure shows a plane cut along the z-x-plane. The accelerometer is mounted... lsdyna pelvis acceleration https://lsdyna.ansys.com/knowledge-base/cese/ LSDYNA CESE / DUAL-CESE The CESE method is a novel numerical framework for conservation laws. It offers many non-traditional features including a unified treatment of space and time,... lsdyna cese dual https://lsdyna.ansys.com/student-page/ LSDYNA Student Page Apr 7, 2025 - Here you can find resources to get started on working with LS-DYNA! Introductory Tutorial to LS-DYNA This tutorial aims to... lsdyna student https://lsdyna.ansys.com/solid-output-2/ LSDYNA Solid output Q: In LS-DYNA, solid element stresses are reported at the centre of the element. Does this mean the stresses are... lsdyna solid output https://lsdyna.ansys.com/how-can-you-add-constraints-for-a-springback-analysis/ LSDYNA How can you add constraints for a springback analysis? In springback analysis, the deformed part must be constrained properly. In an under-constrained model it will be difficult to obtain... lsdyna add constraints springback analysis https://lsdyna.ansys.com/when-i-do-springback-analysis-the-prediction-is-not-satisfactory-i-didnt-find-any-problem-in-the-input-deck-what-should-i-check-to-improve-the-solution-quality/ LSDYNA When I do springback analysis, the prediction is not satisfactory. I didn’t find any problem... There are several factors resulting poor springback prediction: a) The final mesh might be too coarse. It has been found... lsdyna springback analysis prediction satisfactory https://lsdyna.ansys.com/calibration-tests-3/ LSDYNA Calibration Tests The calibration tests are also used to validate the physical WorldSID model. The tests are used as described in the... lsdyna calibration tests https://lsdyna.ansys.com/equation-of-state-2/ LSDYNA Equation of state In some situations, an EOS is required in order to accurately simulate material behavior. An EOS determines the hydrostatic, or... lsdyna equation state https://lsdyna.ansys.com/rbdo/ LSDYNA RBDO Problem Description Reliability Based Design Optimization (RBDO) includes uncertainties of design variables in the optimization. The example demonstrates:... lsdyna https://lsdyna.ansys.com/v2-0-to-v2-5/ LSDYNA v2.0 to v2.5 The pelvis foam stiffness is adjusted to the new material behaviour of the Pelvis foam. The new material is included... v2 0 lsdyna 5 https://lsdyna.ansys.com/knowledge-base/simple-examples/examples-manual/bolts/bolt-type-a/ LSDYNA Bolt Type A This bolt type uses one beam element along with a head and nut represented by circular beam spider meshes. This model is beneficial due to the fact that it is... lsdyna bolt type https://lsdyna.ansys.com/release-notes-v5-0-2/ LSDYNA Release notes v5.0 Update version 5.0 1D IR-TRACCs are deleted from WorldSID v5.0. 1D IR-TRACC is the old standard hardware. Rib deflection... release notes v5 0 lsdyna https://lsdyna.ansys.com/support/dummy-models/worldsid-50/ LSDYNA WorldSID 50% lsdyna worldsid 50 https://lsdyna.ansys.com/pendulum-model/ LSDYNA Pendulum Model Glass structures have to comply with several requirements relating to different loading scenarios and design variations. For that purpose, the... lsdyna pendulum model https://lsdyna.ansys.com/how-do-you-perform-a-multiple-step-analysis-2/ LSDYNA How do you perform a multiple step analysis? There are two ways to do multiple steps analysis: a) Including all the parts from different steps in one input... multiple step lsdyna perform analysis https://lsdyna.ansys.com/lumbar-spine-tests/ LSDYNA Lumbar Spine Tests The lumbar spine component is also validated by the use of a component test. Here the sacrum block with adapted... lumbar spine lsdyna tests https://lsdyna.ansys.com/knowledge-base/thermal/thermal-contact-and-heat-flux/ LSDYNA Thermal Contact and heat flux lsdyna thermal heat flux https://lsdyna.ansys.com/lstc-dummy-models-overview/ LSDYNA Dummy Models Overview and Downloads Feb 24, 2023 - Anthropomorphic Test Devices (ATDs), as known as “crash test dummies”, are life-size mannequins equipped with sensors that measure forces, moments,... dummy models lsdyna overview downloads https://lsdyna.ansys.com/sled-test-with-spine-only/ LSDYNA Sled Test with Spine only Sled Tests with Spine Results of Spine Fixed up to T1 Results of Spine Fixed up to T8 Results of... lsdyna sled test spine https://lsdyna.ansys.com/injury-criteria/ LSDYNA Injury Criteria Rib Accelerations Rib Intrusion Spine Accelerations Pelvis Acceleration Head Acceleration lsdyna injury criteria https://lsdyna.ansys.com/subcycling-2/ LSDYNA Subcycling Subcycling (Mixed Time Integration) Elements are sorted based on their step size into groups, whose step size is some even multiple... lsdyna https://lsdyna.ansys.com/knowledge-base/simple-examples/intro-by-ai-tabiei/contact/ LSDYNA Contact Several contact types are shown lsdyna https://lsdyna.ansys.com/pelvis-and-torso-angle/ LSDYNA Pelvis and Torso Angle The pelvis, torso and head angles are measured in the physical WorldSID by three tilt sensors. These three sensors are... lsdyna pelvis torso angle https://lsdyna.ansys.com/frontal-impact-dummy-models-from-humanetics/ LSDYNA Frontal Impact Dummy Models from Humanetics During the last years Humanetics Innovative Solutions (Humanetics), Inc. has intensified the efforts in developing the validated dummy models based... lsdyna frontal dummy models impact humanetics https://lsdyna.ansys.com/ls-dyna-r7-1-3-r7-107967-released/ LSDYNA LS-DYNA R7.1.3 (R7.107967) released New version of LS-DYNA is released for all common platforms. Release notes for Version R7.1.3. Herein are summarized most of... lsdyna ls dyna r7 1 3 released https://lsdyna.ansys.com/support-overview/ LSDYNA Support Overview Mar 25, 2025 - Support Contact Us LS-DYNA Support LS-OPT Support Dummy Models support overview lsdyna https://lsdyna.ansys.com/locking-in-a-quadrilateral-element-2/ LSDYNA Locking in a quadrilateral element Locking in linear quadrilateral elements occurs when they are subjected to bending. For simplicity, letês examine the simplest case of... lsdyna locking quadrilateral element https://lsdyna.ansys.com/knowledge-base/electromagnetics/tutorial-eddy-currents/basic-eddy-current-problem-set-up/ LSDYNA Basic Eddy current problem set up This example shows the basic keywords mandatory in order to turn on the EM solver and set up a Eddy current problem. The current flows through the rod and an... eddy current problem set lsdyna basic https://lsdyna.ansys.com/knowledge-base/simple-examples/getting-started-general/ LSDYNA General LS-DYNA is used to solve multi-physics problems including solid mechanics, heat transfer, and fluid dynamics either as separate phenomena or as coupled... lsdyna general https://lsdyna.ansys.com/import-user-results/ LSDYNA Import User Results Problem Description The purpose of this example is to import a user-defined table of results into LS-OPT, e.g. test results... lsdyna import user results https://lsdyna.ansys.com/publications/ LSDYNA Publications The following publications involve LSTC Models: Mohan P., Park C.-K., Marzougui D., Kan C.-D.,Guha S., Maurath C., and Bhalsod D.,... lsdyna publications https://lsdyna.ansys.com/contact-stiffness-influenced-by-time-step-size-2/ LSDYNA Contact stiffness influenced by time step size The contact stiffness is not affected by the time step size, when SOFT=0 (*CONTACT, Optional Card A). It can be affected, if SOFT=1 and... time step lsdyna stiffness influenced size https://lsdyna.ansys.com/the-tension-test-2/ LSDYNA The tension test The most common mechanical test for characterizing metals is the tension test. A specimen is put in a machine which... tension test lsdyna https://lsdyna.ansys.com/knowledge-base/soil-structure-interaction/ LSDYNA Soil-Structure Interaction Large civil structures such as concrete dams, nuclear power plants, high-rise buildings and bridges are massive enough that their vibration due to... soil structure lsdyna interaction https://lsdyna.ansys.com/knowledge-base/simple-examples/examples-manual/bolts/ LSDYNA Bolts This section will go over common bolt types and things to keep in mind while modeling bolts. lsdyna bolts https://lsdyna.ansys.com/metal-forming-3/ LSDYNA Metal forming During the forming analysis I found that some elements in the blank became distorted. How can this problem be solved?... lsdyna metal forming https://lsdyna.ansys.com/why-does-the-checking-of-the-database-cards-return-an-error-but-the-binout-files-are-generated-correcty/ LSDYNA Why does the checking of the *DATABASE cards return an error, but the binout files are... LS-OPT can perform some basic checks of the *DATABASE cards in the LS-DYNA input deck. The checks will be done... lsdyna checking database cards return https://lsdyna.ansys.com/contact-us/ LSDYNA Contact Us Mar 22, 2023 - Sales https://www.ansys.com/contact-us Support Students: https://forum.ansys.com Direct customers: https://support.ansys.com Channel Partner Customers: Contact... lsdyna us https://lsdyna.ansys.com/common-workflow-positioning-under-gravity-load/ LSDYNA Common Workflow: positioning under gravity load Use the BioRID-II model which has been prepositioned in a pre-processing tool of your choice. Position it as far as... common workflow lsdyna positioning gravity load https://lsdyna.ansys.com/v3-6-to-v3-8/ LSDYNA v3.6 to v3.8 The following major modifications have been made: Cable friction has been improved to get different Head positions with respect to... v3 6 lsdyna 8 https://lsdyna.ansys.com/environment-variables-2/ LSDYNA Environment variables FOR UNIX VERSIONS ONLY In version ls940.1 of LS-DYNA, the following environment variables have been introduced: LSTC_FILE Defines the license... environment variables lsdyna https://lsdyna.ansys.com/side-dummy-models/ LSDYNA Side Dummy Models The finite element models of the FAT are developed in conjunction with the German Association for Automotive Research (FAT) by... lsdyna side dummy models https://lsdyna.ansys.com/knowledge-base/particle-methods/intermediate-examples-sph/ LSDYNA Intermediate Examples This folder contains intermediate input files to illustrate various SPH capabilities in LS-DYNA. Each sample problem generally focuses on one particular... lsdyna intermediate examples https://lsdyna.ansys.com/pre-and-post-processing/ LSDYNA Pre and Post Processing Dec 3, 2025 - Here you will find all information about our pre- and postprocessors LS-PrePost, PRIMER, and the DM ECO SYSTEM. LS-PREPOST LS-PrePost... lsdyna pre post processing https://lsdyna.ansys.com/knowledge-base/ls-prepost/tutorials/extended-tutorials/ LSDYNA Extended Tutorials lsdyna extended tutorials https://lsdyna.ansys.com/negative-volume-in-soft-materials-2/ LSDYNA Negative volume in soft materials In materials that undergo extremely large deformations, such as soft foams, an element may become so distorted that the volume... soft materials lsdyna negative volume https://lsdyna.ansys.com/knowledge-base/thermal/thermal-stress/ LSDYNA Thermal Stress lsdyna thermal stress https://lsdyna.ansys.com/support/dummy-models/ LSDYNA Dummy Models dummy models lsdyna https://lsdyna.ansys.com/knowledge-base/simple-examples/intro-by-jim-day/adaptive/ LSDYNA Adaptive Examples on adaptive mesh refinement lsdyna adaptive https://lsdyna.ansys.com/faqs/ LSDYNA FAQs FAQ’s related to Optimization, Robustness and Reliability Analysis Applications of Optimization A brief description of some of the applications of... lsdyna faqs https://lsdyna.ansys.com/dynamat/ LSDYNA Material selector for LS-DYNA ls dyna lsdyna material selector https://lsdyna.ansys.com/additional-shoulder-rib-test/ LSDYNA Additional Shoulder-Rib test Since the release v5.0 there are additional tests for the shoulder rib in different impact angles, pendulum masses and impact... lsdyna additional shoulder rib test https://lsdyna.ansys.com/support/ls-dyna-support/release-notes/ LSDYNA Release Notes release notes lsdyna https://lsdyna.ansys.com/knowledge-base/ls-prepost/tutorials/mini-tutorials/other-mini-tutorials/ LSDYNA Other lsdyna https://lsdyna.ansys.com/ls-dyna-runs-into-segmentation-violation-sigsegv-error-what-can-i-do/ LSDYNA LS-DYNA runs into Segmentation Violation (SIGSEGV) error. What can I do? lsdyna ls dyna runs segmentation violation sigsegv https://lsdyna.ansys.com/knowledge-base/advfem-meshfree/ LSDYNA Adv. FEM / Meshfree Methods Advanced FEM and Meshfree methods in LS-DYNA lsdyna adv fem methods https://lsdyna.ansys.com/training-class-handouts/ LSDYNA Training Class Handouts Training Class Handouts LS-OPT Training Class Optimization Theory LS-OPT Probabilistic Analysis Probabilistic Analysis training class lsdyna handouts https://lsdyna.ansys.com/knowledge-base/general/general-materials/ LSDYNA Materials lsdyna materials https://lsdyna.ansys.com/knowledge-base/ls-prepost/tutorials/extended-tutorials/tutorial-17/ LSDYNA Tutorial 17 lsdyna tutorial 17 https://lsdyna.ansys.com/neck-pendulum-test/ LSDYNA Neck Pendulum Test The neck calibration test is simulated as described in the WorldSID manual ISO-15830 part 2. The test setup is depicted... lsdyna neck pendulum test https://lsdyna.ansys.com/positioning-tree-file-2/ LSDYNA Positioning, Tree File The BioRID2 model is delivered with a tree file for the OASYS Primer pre-processor (may work also for ALTAIR Hypermesh,... lsdyna positioning tree file https://lsdyna.ansys.com/knowledge-base/ls-prepost/pages/page3/ LSDYNA Page3 lsdyna page3 https://lsdyna.ansys.com/curve-mapping/ LSDYNA Curve Mapping Problem Description The Bauschinger effect is significant for the automotive sheet steels. The phenomenon is observed under cyclic loading... lsdyna curve mapping https://lsdyna.ansys.com/2004-german-ls-dyna-forum/ LSDYNA 2004 German LS-DYNA Forum 3th German LS-DYNA Forum ’04 The conference took place in Bamberg 14.-15. October. After the great successes of the past... ls dyna forum lsdyna 2004 german https://lsdyna.ansys.com/knowledge/downloads/presentations/ LSDYNA Presentations lsdyna presentations https://lsdyna.ansys.com/ls-post-binary-database-2/ LSDYNA LS-Post binary database LS-POST State Database Geometry Data Nodal coordinates Element connectivities User Node, Element and Material Numbers State Data Global Data Global... lsdyna ls post binary database https://lsdyna.ansys.com/examples-robustness/ LSDYNA Examples: Robustness Reliability Analysis, Robust Design Optimization (RBDO), Robust Parameter Design Reliability Analysis This example is a Monte Carlo analysis of a... lsdyna examples robustness https://lsdyna.ansys.com/knowledge-base/simple-examples/examples-manual/bolts/bolt-type-c/ LSDYNA Bolt Type C This bolt uses a beam element for the shank and solid element for the head and nut. This bolt type is not typically used. This is due to the fact that it is... lsdyna bolt type c https://lsdyna.ansys.com/european-conf-2001/ LSDYNA 3rd European LS-DYNA Conference Apr 27, 2023 - Paris, 2001 A review of the state-of-the-art in vehicle modeling for crashworthiness analysis using LSDYNA Paul du Bois A SEISMIC... european ls dyna lsdyna 3rd conference https://lsdyna.ansys.com/what-is-the-use-of-rigid-body_stopper/ LSDYNA What is the use of RIGID-BODY_STOPPER? When both force and displacement are applied to a rigid body, it is necessary to use this card. If the... rigid body lsdyna use stopper https://lsdyna.ansys.com/9th-european-ls-dyna-conference/ LSDYNA 9th European LS-DYNA Conference Nov 25, 2025 - Manchester, 2013 A contribution to validation of SPH new features Thomas Beal, Nicolas Van Dorsselaer, Vincent Lapoujade (DynaS+) Since 1998,... european ls dyna lsdyna 9th conference https://lsdyna.ansys.com/dummies-d42/ LSDYNA SID-IIs D FAST Sep 2, 2022 - The LSTC SID-IIs D FAST model as well as its physical counterpart represent a 5th percentile adult female in a... lsdyna sid iis fast https://lsdyna.ansys.com/knowledge-base/simple-examples/intro-by-jim-day/misc-intro-by-jim-day/ LSDYNA Misc Miscellaneous LS-DYNA models lsdyna misc https://lsdyna.ansys.com/ls-prepost-4/ LSDYNA LS-PrePost History and response result extraction using LS-PrePost The post-processor LS-PrePost (http://www.lstc.com/lspp) may be used to extract history results in... lsdyna ls prepost https://lsdyna.ansys.com/knowledge/downloads/papers/ LSDYNA Papers lsdyna papers https://lsdyna.ansys.com/parameterization-of-input-curves-optimizing-ls-dyna-input-curves/ LSDYNA Parameterization of input curves: Optimizing LS-DYNA input curves This HowTo demonstrates the optimization of LS-DYNA input curves with the aid of cubic Hermite splines To optimize LS-DYNA input... ls dyna lsdyna parameterization input curves https://lsdyna.ansys.com/links-to-other-ls-dyna-models/ LSDYNA Other LS-DYNA models Sep 22, 2022 - The following links are to organizations that provide LS-DYNA models free of charge. The websites linked to in the following... ls dyna lsdyna models https://lsdyna.ansys.com/positioning-tree-file/ LSDYNA Positioning, Tree File The H-point is located at the node 10500. In the delivered file the H-Point coordinates are: x coordinate y... lsdyna positioning tree file https://lsdyna.ansys.com/how-are-predicted-histories-calculated/ LSDYNA How are predicted histories calculated? An extension of the metamodel concept to histories Each history curve can be pointwise (at each sampled time-step) approximated using... lsdyna predicted histories calculated https://lsdyna.ansys.com/knowledge-base/ls-prepost/pages/page4/ LSDYNA Page4 lsdyna page4 https://lsdyna.ansys.com/forces-of-nodes-2/ LSDYNA Forces of nodes The following table summarizes whether various ASCII output files contain nodal forces due to various loading or boundary conditions. NODFOR... lsdyna forces nodes