66:(FEM), the software enables the modeling of complex geometry by offering different structural and continuum elements: beams, shells, membranes and solids. In a typical crash simulation, shells are used to model thin-walled metal, plastic and composite components. Beams and bars may also be used for stiffening frames, suspensions and special connections. The program offers a large range of linear and nonlinear materials including elastic and visco-plastic and including foam materials and multi-layers composites up to damage and failure models. It was used in the first numerical simulation of a full vehicle rollover by
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utilize crash simulation not only to determine the end result of the crash but also to view the step by step time history. Observing factors such as how the bumper is folded in the impact and what is the effect of rib thickness on body deformation in the initial stages of the simulation gives insights that improve crashworthiness of the design.
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simulated the accidental crash of a military fighter plane into a nuclear power plant German automobile manufacturers took note and tested the applicability of several emerging commercial crash simulation codes, including what would soon become Pam-Crash. This software's predecessor code simulated
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PAM-CRASH is used on High
Performance Computers including massively parallel systems. One of the most time-critical aspects of parallel simulation is the contact handling. Results with a 128-processor computer demonstrated that a contact search algorithm leads to a better scalability. Engineers
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magazine, in its review of ESI Group’s
Virtual Performance Solution, which includes this software, said: “You work across multiple analysis domains with a single core model—not different models for every load case. This streamlines your workflow, saving time and money by reducing the number of
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The program is used by automobile manufacturers to improve their rankings in New Car
Assessment Programs (NCAPs) used to assess the safety performance of competing automobile models. These programs include the Euro NCAP and Japan NCAP as well as a similar rating system provided by the
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AG (Bayerische
Motoren Werke AG). The program provided accurate determination of the structural deformations while the computationally economical rigid body simulation was used during the relatively unimportant deformation and free-flight phases of the simulation.
127:. It was used to perform numerical simulations of the dynamic response of the structure subjected to explosion scenarios. The program's computational models agreed with experimental results and were used to guide the process of designing new blast walls.
120:, another crash simulation code. The test data and simulation results correlated very well with only minor discrepancies in terms of overall impact deformation, component failure modes and velocity and acceleration at various locations on the vehicle.
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Rainer
Hoffman, Dirk Ulrich, Jean-Baptiste Protard, Harald Wester, Norbert Jaehn, Thomas Scharnhorst. „Finite Element Analysis of Occupant Restraint System Interaction with PAM-CRASH.” 34th Stapp Car Crash Conference, Orlando, Florida, November 4–7,
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P.H.L. Groenenboom, P.J. van der Weijde, D.N. Gailbraith, P. Jay. “Virtual
Predictive Testing and Virtual Prototyping in Safety Engineering.” 5th International Conference on Offshore Structures – Hazards & Integrity Management, London
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A.K. Pickett, H.G. Hoeck, A. Poth and W. Sehrepfer, “Crashworthiness analysis of a full automotive rollover test using a mixed rigid body and explicit finite element approach.”
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Pam-Crash was used to design a steel floor pan structure to meet torsion and bending stiffness requirements while reducing its weight by 50% and the number of parts by 70%.
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L. Durrenberger, D. Even, A. Molinari1 and A. Rusinek. “Influence of the strain path on crash properties of a crash-box structure by experimental and numerical approaches.”
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Eric
Mestreau, Rainald Lohner. “Airbag Simulation Using Fluid/Structure Coupling.” 34th Aerospace Sciences Meeting & Exhibit, Reno, NV, January 15–18, 1996.
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crash dummy and a passive restraint system of an airbag and kneebolster in a frontal impact situation. Good agreement with experimental data was obtained.
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Crashworthiness
Simulations Comparing Pam-Crash and LS-DYNA in CAE Methods for Vehicle Crashworthiness and Occupant Safety and Safety-Critical Systems
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Philipp
Spethmann, Cornelius Herstatt, Stefan H. Thomke. “Crash simulation evolution and its impact on R&D in the automotive applications.”
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the frontal impact of a full passenger car structure in an overnight computer run. This was the first successful full-car crash simulation.
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to simulate the performance of a proposed vehicle design and evaluate the potential for injury to occupants in multiple crash scenarios.
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E. Haug. (1981) "Engineering safety analysis via destructive numerical experiments", EUROMECH 121, Polish
Academy of Sciences,
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The software originated in research aimed at simulating aerospace and nuclear applications. At a meeting organized by VDI (
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The software was used to evaluate safety issues at the Beryl Bravo offshore platform in the North Sea operated by
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and the design of occupant safety systems, primarily in the automotive industry. The software enables
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E. Haug, T. Scharnhorst, P. Du Bois (1986) "FEM-Crash, Berechnung eines Fahrzeugfrontalaufpralls",
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Jan Clinckemaillie, Hans-Georg Galbas, Otto Kolp, Clemens August Thole and Stefanos Vlachoutsis. “
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In a different application, the software was dynamically coupled to the occupant safety program
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Anthony J. Lockwood, “Editor's Pick: ESI Releases Virtual Performance Solution 2010.”
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individual solvers you have to deploy and all that model re-creation business.”
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High Scalability of Parallel PAM-CRASH with a New Contact Search Algorithm
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K. Solanki, D.L. Oglesby, C.L. Burton, H. Fang, M.F. Horstemeyer. “
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M. Carrera, J. Cuartero, A. Miravete, J. Jergeus, Kaj Fredin. “
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250:. Volume 44, Number 3-4 / 2007, Pages: 268 – 281.
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133:National Highway Traffic Safety Administration
97:. The study investigated the interaction of a
294:International Journal of Product Development
244:Crash behavior of a carbon fiber floor panel
273:.” Society of Automotive Engineers. 2004.
116:passenger vehicle using this program and
248:International Journal of Vehicle Design
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296:. Volume 8, Number 3 / 2009.
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110:Mississippi State University
106:University of North Carolina
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52:Verein Deutscher Ingenieure
30:is a software package from
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153:Engineering Transactions
318:Finite element software
64:Finite element method
40:automotive engineers
231:Desktop Engineering
207:. 2010 Volume 1823.
104:Researchers at the
79:Desktop Engineering
313:Automotive safety
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86:Applications
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307:Categories
139:References
125:ExxonMobil
99:Hybrid III
135:(NHTSA).
62:Based on
56:ESI Group
34:used for
32:ESI Group
28:Pam-Crash
18:PAM-CRASH
218:J. Phys
118:LS-DYNA
46:History
95:MADYMO
283:1996.
260:1990.
108:and
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68:BMW
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