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There are different possibilities to model bolts in LS-DYNA [2]. ... technique for the bolt. Another advantage is to insert a preload on the bolt shank with ...

http://www.dynamore.de/documents/papers/conference-08/B-II-02.pdf

7th European LS-DYNA Conference. © 2009 Copyright by DYNAmore GmbH ... of bolt pre-load three methods are immediately apparent. 1. Extending the bolt by a ...

http://www.dynamore.de/documents/papers/euro2009/B-VI-01.pdf

Different preload modeling techniques are available in LS-DYNA (Ref.1). ... opposite forces on the bolt and nut, (b) applying equal and opposite forces on ...

http://pdf.aiaa.org/preview/CDReadyMSDM06_1172/PV2006_1757.pdf

LS-DYNA. Ū. Stress Initialization. The bolt preload is applied similar to the first analysis in NeiNastran. An ASCII file called ...

http://www.dynalook.com/international-conf-2008/PenetrationBlast-1.pdf

- Related articles

http://www.dynalook.com/international-conf-2002/Session_9-1.pdf

Bolt PreStress. Gravity Initialization. Interference. Introduction ... Lsdyna i=second.k r=runrsf. In this method, the pre-load is simulated by a “first” ...

http://www.feapublications.com/pdf/StressInitialization.pdf

30 Jun 2006 ... If we want to apply the bolt preload to an imported body, we need to setup a coordi- .... 14-Aug 15-Aug 502 ANSYS/LS-DYNA. Tempe, AZ ...

http://www.padtinc.com/epubs/focus/2006/0049_0630/TheFocus_49.pdf

18 Mar 2008 ... But before you break out your bolt guns (see the movie to find out what I'm talking about) and fire ... 501 ANSYS/LS-DYNA. Tempe, AZ ...

http://www.padtinc.com/epubs/focus/2008/0063_0318/TheFocus_63.pdf

computed by LS-DYNA. The maximum forces required to pull the bolt-head through the slot of the w-beam in their simulations was 30 kN and 80 kN for the first ...

http://www.springerlink.com/index/J073P482KK97RH15.pdf

clamp actuators until the notched steel bolt in the .... element code LS-DYNA. For the unit-mortar joints in the specimen, a specially developed ...

http://www.springerlink.com/index/C751610M074N5222.pdf

enhancements, additions, and bug fixes made since the release of LS-DYNA version .... Fix of uninitialized variable related to bolt stress initialization. ...

http://www.lsdyna-portal.com/fileadmin/files/lsdyna/website/pdf/pdf_release_update/ReleaseNotes-971_R3.pdf

LS-DYNA User's Manual is alphabetically organized in logical sections of input data. Each ...... The optional load curve ID, LCID, defines a preload flag. ...... of a 3/8" SAE Grade No 3 bolt. $. *CONSTRAINED_SPOTWELD ...

http://www.lsdyna-portal.com/fileadmin/files/lsdyna/website/pdf/pdf_lsdyna/Keyword_Manual_950.pdf

Finally a bolt is placed in the middle hole of the plate and this bolt is ... For the numerical analysis the LS-DYNA [5] software was used because of its ...

http://www.akademiai.com/index/275P47637M338307.pdf

by MH Ray - 2001 - Cited by 4

http://civil-ws2.wpi.edu/Documents/Roadsafe/Papers/Performance-of-WbeamSplices.pdf

by MH Ray - 2001 - Cited by 10

http://civil-ws2.wpi.edu/Documents/Roadsafe/Papers/TRB_01-2282.pdf

produced desired bolt preload, as well as acceptable slip behavior when impacted in a simple ..... 2 HALLQUIST, J O. LS-DYNA Keyword User's Manual Version ...

http://www.informaworld.com/index/780649784.pdf

need to be connected, and when bolts connect two parts together. The LS-DYNA joint option is used to define the joints present in the suspension of the ...

http://www.informaworld.com/index/780649356.pdf

Preload forces are can be input for the discrete beam elements. ..... LS-DYNA User's Manual is alphabetically organized in logical sections of input data. ...... of a 3/8" SAE Grade No 3 bolt. $. *CONSTRAINED_SPOTWELD ...

http://nf.nci.org.au/facilities/software/LS-Dyna/971-4626/ls-dyna_971_manual_k-beta.pdf

in Femap with an additional bolt preload loading option in the ... NEiNastran 9.0. Abaqus 6.6. LS-DYNA 960. ANSYS 10.0. MSC / MD Nastran 2005 r2 fact sheet ...

http://www.femto.nl/publication/femap/Femap_v93_newfeatures.pdf

Numerical effects using LS-DYNA Explicit for a pull-out test .... element area (which will shorten pre-stressing the bolt) v-strap top-strap spot welds ...

http://www.inprosim.com/download/vortrag/INPROSIM_Europ_DYNA_Clamping_Ring_2009.pdf

performed using ANSYS as a pre-processor and LS-DYNA as a solver. The overall goal was to ..... the nut and to the external nodes of the bolt. Contact ... 9 Time-history for the preload and for the load on the joint ...

http://journals.pepublishing.com/index/u403l739545h086l.pdf

DYNA Shell Element Type 10) as well as the bolts for the attachment of the impact limiter at the cask body are modelled Hughes Liu elements (LS-DYNA-Bar ...

http://www.technet-alliance.com/uploads/tx_caeworld/Klein_final_paper.pdf

mesh density for modeling the bolt holes in the splice. LS-DYNA is a nonlinear, explicit finite element program; thus the time step used ...

http://trb.metapress.com/index/T3846116G7238884.pdf

912-kg impact pendulum are compared with LS-DYNA finite-element .... One 16-mm bolt with washer was used to connect the guardrail to ..... Cable preload was varied from 0 kN to 200 kN, again with no significant change in response. ...

http://trb.metapress.com/index/X415LN52881175KX.pdf

Wuhan, China. Abstract—The blast load response of precise bolt Finite Element model was studied by LS-DYNA software. Firstly, the initial ...

http://ieeexplore.ieee.org/iel5/5235204/5269948/05269988.pdf?arnumber=5269988

International LS-DYNA Users Conference. 15-10 the load cell was a bolt, by which the target plate was attached to the appropriate backup structure. ...

http://www.feainfo.com/showcase/news_march_2007_carney.pdf

LS-DYNA is a trademark or registered trademark of Livermore Software Technology. Corporation. ...... Each bolt pre-load is named and stored in the database. ...

http://www.mscsoftware.com/support/prod_support/patran/documentation/patran_2007r1_release_guide.pdf

Shell and Beam Offsets Improved. Bolt Elements Supported. Both outside and inside US formulations .... Nastran style input data with LS-DYNA extensions ...

http://www.mscsoftware.com/events/vpd2004/na/proceedings/pdfs/2004-043-BL_nas2005_update_vpd04.pdf

by E Ko - Cited by 7

http://www.siecorp.com/UBB/Imgs/publications/papers/7USNCEE_EK_AM.pdf

Used to simulate a bolt. ❑ No physical limit to the number of .... LS-DYNA. Version: 970. Revision: 3858. CE 264, Lecture 4. Slide #19 ...

http://crash.ncac.gwu.edu/pradeep/CE264/lecture_4/lecture_4.pdf

analysis, this LS-DYNA model is a “work in progress”. Users should be aware that the ... Failure strain = 0.2 on cargo bed to truck frame u-bolts ... preload due to the sprung mass of the truck. The most appropriate way to model the ...

http://www.ntrci.org/library/FHWA-F800_Single_Unit_Truck_Model_User_Manual_1238689931.pdf

Three different LS-DYNA versions were used to perform the ... LS-Dyna. The results of the hand-meshed models have a noticeably larger ...

http://www.altairhyperworks.com/(S(cpu5nm3ffu5i2gn4r23diz45))/pdfs/product_brochures/HW_BatchMesher_Web.pdf

LS-DYNA Version 960 reflecting boundaries, user specified integration rules for shell ..... Preload forces are can be input for the discrete beam elements. ...

http://www.feainformation.com/m-pdf/960key1.pdf

by G Tanapornraweekit - Related articles

http://www.aees.org.au/Proceedings/2007_Papers/56_Tanapornraweekit.pdf

extreme impact loads, the impact analysis using LS-DYNA code has been executed. ... such as the lid movements and the torque of the lid bolts, was ...

http://criepi.denken.or.jp/en/publications/annual/2009/042.pdf

analysis) and LS-DYNA for crashworthiness (non-linear). Both finite element models use ... They bolt onto hardpoints on the rear sub-frame. ...

http://www.altairhyperworks.co.uk/technology/papers/2000/paper14.pdf

by A Abu-Odeh - Cited by 2

http://www.ltrc.lsu.edu/TRB_82/TRB2003-001893.pdf

constructed for the LS-DYNA Analysis. This model is shown in Figure 5. This sled .... Kip for the U-bolt fitting. The test results verified these loads. ...

http://www.ltrc.lsu.edu/TRB_82/TRB2003-001280.pdf

by G IVANETZ - 2007 - Related articles

http://www.pimr.poznan.pl/biul/2007_1_GIVO.pdf

supporting pipes and anchoring bolts ... FEM analysis using LS-Dyna (Dry test 642) ... model in Abaqus/Explicit and Winfrith model in LS-Dyna ...

http://virtual.vtt.fi/virtual/safir2010/vasenpalkki/interim2009/susi_impact_combined.pdf

Changes of preload and torque in bolt connectors, as well as performance ... stretcher was completed by use of computer codes LS-DYNA and MSC/Marc to obtain ...

http://www.iasmirt.org/iasmirt-2/SMiRT18/C06_3.pdf

An ANSYS/LS-DYNA FE model of the container was developed which ... deceleration, deformation pattern and number of bolt failures, for ...

http://www.absconsulting.com/europe/resources/Paper_ChrisMartin121107.pdf

by S Boria - Related articles

http://www-nrd.nhtsa.dot.gov/pdf/esv/esv21/09-0152.pdf

Table 2. Details of explicit post-to-rail connection model. Material. Bolt. Number of. Element. Type in. Yield Stress. Component. Elements. Type. LS-DYNA ...

http://sim.sagepub.com/cgi/reprint/78/10/587.pdf

LS-DYNA. The model features a full-height model for Column G3 including all main girders framing ... Although bolts and welds can be effectively modeled, ...

http://www.kcse.com/pdfs/P-06-13_add.pdf

A total of fifteen HFPB calculations were performed using LS-DYNA to ... to the module side-wall was achieved with large bolts that were placed through ...

http://www.kcse.com/pdfs/P-06-16_add.pdf

14 Jul 2008 ... Ensuring that LS-DYNA is the fastest and most scalable .... A simple method to initialize initial tensile forces in bolts. ...

http://h50025.www5.hp.com/ENP5/Admin/UserFileAdmin/EV/24637/File/track1_06.pdf

LS-DYNA 971 release 3.2.1 is an enhanced and bug-fixed release built on LS-DYNA ..... Added new option to initialize bolt stress: *INITIAL_AXIAL_FORCE_BEAM. ...

http://www.oasys-software.com/dyna/en/downloads/ls-dyna/R3_2_1/Release Notes_LS-DYNA-971_R3-2-1.pdf

LS-DYNA load curves used in material models are internally discretised. ..... Failure of bolts are based on the force resultants as in the spotwelds ...

http://www.oasys-software.com/dyna/en/events/users_jan-08/3_LS-DYNA_software_BWalker.pdf

Simulations of Acoustic and Vibro-Acoustic Problems in LS-DYNA ..... Finite Element Modeling of Preloaded Bolt under Static Three-Point. Bending Load … ...

http://www.erab.se/documents/10th_International_ls-dyna_program.pdf