German LS-DYNA Forum 2008

The 7th Forum took place in Bamberg. With more than 80 papers from OEMs, suppliers, engineering services companies, and Universities on applications with LS-DYNA and LS-OPT the conference was again a great success.

Tuesday, 30th September 2008

09.00 Welcome
U. Franz (DYNAmore)
09.10 Recent Developments in LS-DYNA - I
J.O. Hallquist (LSTC)
09.45 Challenges in Technical Acoustics: What Can Be Computed Today?
Prof. O. von Estorff (Universität Hamburg)
Coffee break
10.50 Digitale Simulation im Kontext des Produktlebenszyklus
J. Philippeit (Siemens PLM Software)
11.00 Advanced Methods for Safety Simulation in Vehicle Development
S. Frik, B. Gosolits, R. Schirmer (Adam Opel)
11.30 CAE-Prozessintegration und Optimierung in der Fahrzeugentwicklung bei Audi
B. Mlekusch (Audi)
11.30 Simulation of Sheet Metal Forming - Necessary Developments in the Future
Prof. K. Roll (Daimler)
Lunch

 

Crash I - Connections Metal Forming I
13:50 Usage of Cohesive Elements in Crash Analysis of Large, Bonded Vehicle Structures - Experimental Tests and Simulation
S. Marzi (IFAM Bremen); L. Ramon-Villalonga, M. Poklitar (Adam Opel); F. Kleiner (Henkel)
Springback Simulation with Complex Hardening Material Models
L. Keßler, J. Gerlach, M.-S. Aydin (Thyssen Krupp Steel)
14.10 Simulation of Spot Welds and Welds Seams in Press-Hardened Steel Assemblies
S. Klimek (Adam Opel)
Considering Tool and Press Elasticity within the Forming Simulation and Experimental Validation
R. Struck, M. Medrický, M. Düngen, S. Kulp (Volkswagen AG); Prof. B.-A. Behrens, R. Krimm (Universität Hannover)
14.30 Investigation of Spot Weld Behavior Using Detailed Modeling Technique
F. Seeger, G. Michel, M. Blanquet (Daimler)
Springback Compensation for Incremental Sheet Metal Forming Applications
J. Zettler, H. Rezai (EADS); Prof. G. Hirt (RWTH Aachen)
14.50 Kontinuumsmechanische Modellierung von Stahlblechklebverbindungen für die FE-Crashanalyse
Prof. A. Matzenmiller, F. Burbulla (Universität Kassel)
Numerical Modelling of Cross Roll Straightening
A. Mutrux, B. Berisha, B. Hochholdinger, Prof. P. Hora (ETH Zürich)
Material I - Plastics IT / CAE Processes I
13:50 Validation and Verification of Plastics under Multiaxial Loading
A. Ratai, M. Feucht (Daimler); Prof. S. Kolling (FH Gießen); A. Haufe (DYNAmore); P. Du Bois (Consultant)
Handling of Complex Kinematics of a Crash Model in ANSA
L. Rorris (Beta CAE Systems)
14.10 Characterization of Polyolefins for Design Under Impact: From True Stress/ Local Strain Measurements to the FE-Simulation with LS-DYNA Mat. SAMP-1
M. Nutini, M. Vitali (Basell Poliolefine Italia)
Mature Concepts Through Integrated CAD and CAE Processes in Catia V5 with LS-DYNA
H. Doepner, U. Jankowski, M. Sans (Tecosim); M. Nelsen, I. Phillips (Force Five)
14.30 Kurzfaserverstärkte Kunststoffbauteile - Einfluss der prozessbedingten Faserorientierung auf die Strukturmechanik
P. Reithofer, M. Fritz, T. Wimmer (4a engineering)
HyperCrash - A Highly-Tuned Modeling Environment for Crash Analysis and Safety Evaluation in the HyperWorks Simulation Framework,
C. Alscher, G. Resta (Altair Engineering)
14.50 Modelling and Crash Simulation of Long-Fibre-Reinforced Thermoplastics
T. Seelig (Fraunhofer IWM); A. Latz (Fraunhofer ITWM); S. Sanwald (Fraunhofer ICT)
Visual-Environment - Integrated Pre and Post Environment for LS-DYNA
S. H. Shetty, V. Ganesan, S. C. Sivalingam, M. Sommer (ESI Group)
Crash II - Conncetions / Failure Metal Forming II
15.40 Enhancement of Spot Weld Modeling using MAT_100_DAI
F. Seeger, M. Feucht (Daimler); G. Dumitru, T. Graf (DYNAmore)
Superplastische Blechumformung von Magnesiumlegierungen
J. Kappes, Prof. M. Liewald (Universität Stuttgart)
16.00 Modelling of Bolts Under Dynamic Loads
U. Sonnenschein (Daimler)
Praxisgerechte Biegesimulation als Vorformoperation für den IHU-Prozess
T. Bach (SimuForm)
16.20 Fracture Prediction for Crashworthiness Assessment of Aluminum Bumper Systems
C. Leppin, M. Kutscher, M. Feuerstein (Alcan); G. Oberhofer (Matfem Partnerschaft Dr. Gese & Oberhofer)
New Features in eta/DYNAFORM 5.7
J. He (Engineering Technology Associates)
16.40 Effiziente Ermittlung von Dehnraten- und Versagensparametern für die Fahrzeug-Crashsimulation mit LS-DYNA
J. Winklhofer, G. Trattnig, H. Schluder (Kompetenzzentrum - Das virtuelle Fahrzeug); B. Fellner (Magna Steyr)
Recent Advances and New Developments in Hot Forming Simulation with LS-DYNA
D. Lorenz, A. Haufe (DYNAmore GmbH)
Various Applications IT / CAE Processes II
15.40 Durability Analysis of the Door with Simulation of the Door Endurance Test with LS-DYNA and FEMFAT
B. Kopp, H. Pfitzer (Daimler)
Eine CAE Infrastruktur für LS-DYNA unter Verwendung von Microsoft Windows HPC Server 2008
T. Groß, J. Martini (GNS Systems)
16.00 Structural Dynamic Response of a Track Chain Complete Under-carriage System Using a Virtual Proving Ground Approach
M. Perillo, V. Primavera, G. Bonello (EnginSoft SpA); M. Cavedoni (Italtractor ITM Spa)
CAE Berechnungen im Jahre 2008, ein Zwischenbericht
A. Bömelburg (IBM Deutschland)
16.20 Simulation of Rotor-Blade for the Current Generation System Using FSI Capability in LS-DYNA
Ju. Kim, Jo. Kim (Oceanspace)
Shorten Development Processes Through Efficient Data Management
J. Philippeit, Z. Petrovic (Siemens PLM Software)
16.40 Challenges in High Performance Computing
O. Tennert (transtec ag)

 

Crash III - Failure / Barriers Metal Forming III
17.20 A Study of the Gurson Damage Model and Numerical Simulation of Ductile Failure in LS-DYNA
T. M. Fesisch, D. Marzougui, P. Mohan, Prof. S. Kan (George Washington University / NHTSA)
Prediction of Cutting Forces in Metal Cutting, Using the Finite Element Method, a Lagrangian Approach
M. F. Villumsen (Bang & Olufsen) , T. G. Fauerholdt (Aaborg University)
17.40 A New Method to Model Aluminium Honeycomb Based Crash Barriers in Lateral and Frontal Crash Load Cases
T. Jost (Kompetenzzentrum - Das virtuelle Fahrzeug); B. Fellner (Magna Steyr)
Simulation of Metal Cutting, Using Smooth Particle Hydrodynamics
M. F. Villumsen (Bang & Olufsen) , T. G. Fauerholdt (Aaborg University)
18.00 Development of an Impact Absorber for Roadside Barriers
C. M. Vieira (ESTG - Leiria Polytechnic Institute); H. A. Almeida, I. S. Ferreira, J. O. Vasco, P. J. Bártolo, R. M. Ruben, S. P. Santos (INDEA Centre for Rapid and Sustainable Product Development)
Simulation of Metal Forming Processes Under Consideration of Imprecise Probabilities
S. Pannier, Prof. W. Graf (TU Dresden); H. Müllerschön, M. Liebscher (DYNAmore)
20.00 Special Event
Material II - Composites Workshop - Structural Optimization
17.20 Untersuchungen zur Modellierung von Strukturen aus FKV unter Crashbelastung mit Hilfe von Mehrschalenmodellierungen
M. Holzapfel, G. Kopp (Deutsches Zentrum für Luft- und Raumfahrt); P. Adamski, H. Elsenhans (Porsche); T. Hambrecht, J. Döll (Audi AG)
Getting Started with LS-OPT and D-SPEX
17.40 Simulation of Low Velocity Impact on Composite Plates with Compressive Preload
S. Heimbs, S. Heller, P. Middendorf (EADS); S. Heller (Universität Karlsruhe)
continued
18.00 Simulation des Impaktverhaltens von CFK-Sandwichpanel unter Vorlast
J. Weiße, F. Hähnel, Prof. K. Wolf (TU Dresden)
continued
18.20 -
20.00 Special Event

 

Wednesday, 1st Oktober 2008

Validation / Verification Optimization I
08.20 Modeling Techniques for Predictive and Robust Dummy Models - Comparison with Validation and Verification Considerations in Other Applications (D)
U. Franz, U. Franz, S. Stahlschmidt, O. Graf (DYNAmore GmbH)
Structural Health Monitoring Under Consideration of Uncertain Data (D)
C. Jenkel, Prof. W. Graf, J.-U. Sickert (TU Dresden)
08.40 Ideas on Applying Very Fine Models in Dummy Model Development
A. Gromer, J. Zschieschack, U. Franz (DYNAmore); M. Walz (Mercedes Car Group, Daimler)
Global Sensitivity Analysis in View of Nonlinear Structural Behavior
U. Reuter (TU Dresden); M. Liebscher (DYNAmore)
09.00 Is Your Mesh Refined Enough? Estimating Discretization Error Using GCI
L. Schwer (Schwer Engineering & Consulting Services)
4a Impetus II - Neue Wege in der Materialcharakterisierung für die dynamische Simulation am Beispiel eines Schaumwerkstoffes
P. Reithofer, M. Fritz (4a engineering); K. Witowski, O. Graf (DYNAmore);
- Metal Forming IV
08.20 LS-PREPOST Stamping Application Setup
Q. Yan (LSTC)
08.40 continued
09.00 Concepts to Consider Tool Elasticity in Forming Simulations with LS-DYNA
J. Raquet, S. Mandel, D. Lorenz, A. Haufe (DYNAmore GmbH); Prof. K. Roll, P. Bogon (Daimler AG)
Passive Safety I Optimization II
09.50 The Use of LS-DYNA Implicit for Seat Comfort Assessment - H-Point Prediction Using SAE J826 Dummy and Pressure Mapping
T. Zeguer, B. Feng, D. Coleman (Jaguar Cars and Land Rover)
New Developments in LS-OPT
N. Stander, T. Goel, W. J. Roux (LSTC)
10.10 Automating and Extending Oasys PRIMER and Oasys D3PLOT Using JavaScript
M. Thornton (Arup)
Optimization of a Crash Management System Considering Multiple Load Cases Using ANSA and LS-OPT
M. Feuerstein (Alcan Singen GmbH); K. Witowski, H. Müllerschön (DYNAmore)
10.30 WorldSID Dummy Model Development in Cooperation with German Automotive Industry
A. Gromer, S. Stahlschmidt (DYNAmore); P. Schuster (Porsche)
Automating and Organizing the Optimization Process Using ANSA - LS-OPT - META. A Bumper Optimization Case Study
G. Korbetis (Beta CAE Systems S.A.)
Material III - Plastics Workshop - eta/DYNAform
09.50 Numerical Analysis of Metallic Hollow Sphere Structures
M. Vesenjak, Prof. Z. Ren (University of Maribor); T. Fiedler (University of Newcastle); Prof. A. Öchsner (Technical University of Malaysia)
Applications and New Developments in eta/DYNAform
10.10 Determination of the Behaviour of Thermoplastics at High Strain-Rates Using the Invariant Theory
F. Becker, A. Kraatz, J. Wieser (DKI - Deutsches Kunststoff-Institut)
continued
10.30 Kunststofffedern unter Langzeitbelastung - Anwendung viskoelastischer Materialmodelle;
T. Wimmer, M. Fritz (4a engineering); W. Bretis (Spirello Schlafsysteme)
continued
Passive Safety II Optimization III
11.20 Development of Simulation Based Side Airbag Algorithm
C.-H. Lin (General Motors); P. Erb, T. Kiefer, S. Frik (Adam Opel)
SuperLIGHT-CAR - die Multi-Material-Karosserie
M. Lesemann, C. Sahr (IKA - RWTH Aachen)
11.40 Gas Dynamic Simulation for Curtain Airbag Deployment through Interior Trims
T. Zeguer, B. Feng, D. Coleman (Jaguar Cars and Land Rover)
Topology Optimization Based on Graph Theory of Crash Loaded Flight Passenger Seats
Prof. A. Schumacher, C. Olschinka (HAW Hamburg)
12.00 Enhancements in FTSS Dummy Model Development and Outlook
J. Rasico (FTSS, Inc.)
Efficient Topology, Topometry and Sizing Optimisation for LS-DYNA Analysis Problems - Coupling LS-DYNA to VR&D GENESIS
M. Gambling, D. Salway (GRM Consulting)
Forming to Crash Workshop - PRIMER
11.20 On Calibrating Advanced Damage Models Using Sheet Metal Coupon Tests
H. Ebelsheiser (HAW Hamburg); M. Feucht, F. Neukamm (Daimler)
Applications and New Developments in PRIMER
11.40 Consistent Damage Modelling in the Process Chain of Forming to Crashworthiness Simulations
F. Neukamm, M. Feucht (Daimler AG); A. Haufe (DYNAmore GmbH)
continued
12.00 Quicker Process to Consider Strain Hardening for Crash Analysis Using HYCRASH
S. Endoh, T. Miyachi, Y. Umezu (JRI Solutions, Ltd.)
continued
14.00 Ship Safety and LS-DYNA, Some Application Examples
L. Zhang (Germanischer Lloyd)
14:30 Auslegung von Rückhaltesystemen
K. Elsässer, A. Ruf, S. Gargallo, L. Kübler (TRW)
15.00 New Developments in Processor and Cluster Technology for CAE Applications
U. Becker-Lemgau (Intel)
Coffee break
15.30 Prozessoptimierung aus der Sicht eines Entwicklungsdienstleisters
M. Hog, A. Benninger, P.-E. Munch (EDAG)
16.00 Recent Developments in LS-DYNA II
J. Hallquist (LSTC)
16.45 Farewell
T. Münz (DYNAmore)