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Meeting NUMISHEET 2022: The 12th International Conference on Numerical Simulation of 3D Sheet Metal Forming Processes
Symposium NUMISHEET 2022
Presentation Title Transformation in the Transportation Industry: Recent Advances in Simulation Technology
Author(s) Andre Haufe, M. Merten, T. Koppel, S. Hartmann, B. Hochholdinger, F. Andrade, D. Koch, P. Glay
On-Site Speaker (Planned) Andre Haufe
Abstract Scope In recent years the automotive industry started a remarkable transformation from internal combustion engine (ICE) propelled vehicles towards alternative drive systems. While hybrid vehicles (PHEV) are criticized for the fact, that their CO2 footprint strongly depends on the right usage, the drive systems of fuel cell electric vehicles (FCEV) for passenger cars are not fully developed and hence not available broadly yet. Therefore, the dominating concept at present is clearly seen in battery electric vehicles (BEV). These novel and challenging developments not only require more sophisticated design concepts for packaging all the new electrical parts of the propulsion system, but also the ever-increasing requirements for lightweight design and crashworthiness regulations dictate sophisticated approaches in virtual vehicle design. Hence, synchronous with these advanced propulsion systems, novel structural concepts need to be developed. While high strength steel sheet metal is used for some decades, a clear, high-volume trend has been observed in the use of aluminium either applied as sheets, cast parts or extruded profiles. Here numerical challenges are posed by new, sophisticated spatial discretizations driven by increased structural complexity that clearly requires 3-dimensional representation in every aspect. Furthermore, these challenges also incorporate new and typically more complex constitutive models for materials, that nobody would have put into cars before, and end in digital process chains, that must be able to represent the complete production process. Obviously, all relevant aspects of physics must be captured along the process chain to achieve predictive simulations for all disciplines from process simulation to passive safety and crashworthiness. The present talk will demonstrate several development directions that were addressed in recent years. Novel approaches in spatial discretization, such as 3D shell elements as well as isogeometric analysis (IGA) for shell and solid structures will be introduced. New constitutive models for sheet metal forming simulations, that are for instance capable of predicting complex thermal driven phase change scenarios, and respective parameter identification via innovative characterization methods will be discussed. Finally, the interconnection of individual simulation tasks, capturing complex constitutive behavior along the production chain, will be shown in detail. The work will be illustrated by examples and concise conclusions for everyday work will be given.
Proceedings Inclusion? Definite: At-meeting proceedings


3D-Swivel-bending – A Flexible and Scalable Forming Technology
A Machine Learning Based Framework to Predict Local Strain Distribution, Fracture and the Evolution of Plastic Anisotropy in AlSi10Mg Alloy
A New Sample for Oscillation Free Force Measurement at High Strain Rates and Its Physical Principles
A New Trial Stress for Newton's Iteration Based on Plastic Strain Rate Potential
A Non-iterative Stress Update Method for Sheet Metal Forming Simulations
Advanced Material Characterization at Large Plastic Strains: Recent Developments
Advanced Material Testing for Sheet Metals
An Advanced Machine Learning Model to Accelerate Sheet Forming Simulations
An Effective Way to a Digital Process Model
An Experimental Methodology to Characterize the Uniaxial Fracture Strain of Sheet Metals using the Conical Hole Expansion Test
An Upper Bound Analysis of Friction Stir Spot Welding Processes
Analysis and Evaluation of the Clamping Force on the Tool Surface during the Blanking Process
Analysis of Different Parameter Identification Strategies and Application to Forward Rod Extrusion
Analysis of Plane Strain Tension Regions of Deviatoric Anisotropic Yield Criteria
Analysis on Deformation Behavior of High Strength Steel Using the Finite Element Method in Conjunction with Constitutive Model Considering the Elongation at Yield Point
Application of Elasto-visco-plastic Self-consistent Polycrystal Finite Element Model for Springback Analysis
Automated Nakazima Experiments for Studying Anisotropy and Loading Path Dependence of Necking Failure
Automatic Extraction and Conversion of the Bending Line from Parametric and Discrete Data for the Free-form Bending Process
Axisymmetric V-Bending: Identifying the Fracture Strain and Weakest Direction for Plane Strain Tension Loading from a Single Experiment
Bending Deformation of Aluminum-wood Hybrid Sheets for Automotive Lightweight Applications
Characterization of Martensite Transformation of SS304L under Proportional Loading Paths
Characterization of Post-necking Hardening Response: An Assessment of Experimental Methods that Utilize DIC Surface Strains
Characterization of Sheet Metal Plasticity through In-plane Torsion Experiments with Full-field Measurements
Characterization of the Formability of Al-Si Coated PHS1800 During Hot Stamping
Constitutive Modelling of Anisotropic Plasticity for Additively Manufactured Gas Turbine Components
Crystal Plasticity Modelling of Localization in Precipitation Hardened AA6060
Data-based Prediction Model for an Efficient Matching Process in the Body Shop
Data Informed Process Control in Progressive Sheet Metal Forming using Neural Networks
Decoding the Stress-strain Diagram of FCC Metals for Formability Assessment: Evolution of Soft Zones with Strain under Bi-axial Stresses
Deformation and Failure Behavior of Steel under High Strain Rate and Multiaxial Loading
Determination of Friction Coefficient at Elevated Temperature Using Bending Under Tension Machine
Development of a Hot Cutting Process for Functional Parts by Stress State Dependent Damage Modeling
Development of a Modified Punch Test for Investigating the Failure Behavior in Sheet Metal Materials
Die Quench Thermal and Friction Boundary Conditions
Draw Die Development to Maximize Aluminum Formability Potential for Making Styling Featured Outer Panels
Ductile Failure of Aluminum Alloys: Experimental and Modeling Challenges
Effect of Laser Patterning on Static Loading Performance in Cylindrical 22MnB5 Tube
Effect of Strain Rate on Formability of 22MnB5 Steel during Hot Stamping Process
Experimental and Finite Element Based Analyses of FLCs for AA5052 and AA5083 Alloys
Experimental and Numerical Evaluation of DP600 Fracture Limits
Facet 3D: A Robust Crystal Plasticity Based Yield Function for Sheet Metal Forming Simulations
Finite Element Analysis of Micro/Meso-scale Parts Formed through Incremental Micro-forming (μISF)
Forming-structural Coupled Analysis: The Method to Predict Die Deformation Using Quick Simulations
Hydroforming Behaviour of TIG-welded Tubes of Austenitic Stainless Steel
Identification of Fracture Limits for Dual Phase Steels for Successful Industrial Application in Sheet Metal Forming Simulations
Impact of Thermal Conditions on Predicted Formability of TRIP Steels
Improvement of the Strength of an Aluminum Liner by Beading under Consideration of Internal Pressure and Low Temperatures
Increasing the Prediction Quality of Clinching Process Simulation with Extensible Die by Means of Friction Modeling as a Function of the Local Joining Process Parameters
Influence of Kinematic Hardening on Clinch Joining of Dual-phase Steel HCT590X Sheet Metal
Influence of Loading Direction on the Mechanical Parameters of Pre-formed Materials in Tensile Test
Investigating the Formability and Failure Mechanism of an Advanced High Strength Steel by a Microstructure Based Hierarchy Modeling Approach
Investigation of a Pre-strain-specific Edge Crack Sensitivity Factor and Its Implementation in FEM
Lightweighting through Stiffening Dart Formation and Its Rigidity Evaluation
Local Heat Treatment for Springback Reduction in Deep Drawing of Advanced High-strength Steel
Meso-scale Modeling of Spot Weld Failure in Hot Stamped Automotive Steel Using Hardness Mapping Approach
Microstructure Modelling of the HEC Behaviour of a Novel Vanadium DP980 Cold Rolled Alloy
Modeling the Influence of Hydrostatic Stress on Plastic Behavior of Advanced High Strength Steels
Modeling the Rate and Temperature Response of Third Generation AHSS Considering the Effect of Dynamic Strain Aging
Modelling and Analysis of Adiabatic Blanking of AHSS with Different Heat Treatments
Multi-Objective Optimization of Sheet Metal Forming Process Using Finite Element Method, Response Surface Model and Multi-Objective Optimization
NIST Mechanical Tests for Generating Constitutive Data for the Numisheet 2020 Benchmark Materials
Numerical Description of the Physical Properties of Stretch Web Connectors in Progressive Die Stamping
Numerical Modeling for Progressive Crushing of Composite and Hybrid Metal-Composite Structures
Numerical Residual Stress Analysis of Combined Tensile and Compressive Stress-superposed Incremental Sheet Forming
Numerical Study of the Newly Developed Sheet Metal Forming Process Transversal Compression Drawing
Numerically Coupled Tools for Double Sided Incremental Sheet Forming
On Strain Hardening Modeling in Associated and Non-Associated Orthotropic Plasticity
On the Constitutive and Fracture Response of Tailor Hot-Stamped Ductibor® 1000-AS Steel: Experimental Characterization and Modelling
On the Generalized Plane-Strain Constraints for Orthotropic Plasticity Modeling of Sheet Metals
On the Potential of Convolutional Neural Networks for Estimating Structure-property Relationships
Optimization of Slip Conditions in Roll Forming by Numerical Simulation
Potentials for Material Card Validation Using an Innovative Tool
Predicting the Flow and Failure Properties of Dual Phase Steel Using Phenomenological Models
Prediction of Ductile Fracture in Bainitic Steel with Dependence on Stress States and Loading Orientation
Prediction of Necking Initiation in Case of Abrupt Changes in the Loading Direction
Predictions of Necking and Fracture in Sheet Metal Forming of the Laser-Welded Blank with GEN3 AHSS
Predictive Capabilities of a New Polycrystalline Model for Forming Operations
Recent Challenges of Constitutive and Failure Modeling for Sheet Metal Forming
Redrawing of Dual-phase Steel Sheets: Experiments and Numerical Predictions
Revolutionary Solutions Using DIC Technology to Meet the Needs of the Metal Forming Industry
SD Effect of High Strength Steel Sheet and Its Effect on the Predictive Accuracy of Body Wrinkles
Sensitivity Study of Plastic Anisotropy on Failure Prediction in Hole-expansion
Shape Optimization of a Cruciform-like Specimen for Combined Tension and Shear Loading
Sheet Metal Forming Simulation System Strongly Coupled with Die Tool Deformation
Simulation of Warm Forming of 7000-Series Aluminum Alloys for Automotive Structures
Springback Investigation of Advanced Path-dependent Constitutive Models for Sheet Metal Forming
Strain Rate Dependent Hardening Behavior of Weld Metal in Laser Welded Blank with GEN3 AHSS
Surface Texture Design for Sheet Metal Forming Applications
Tensile Mechanical Properties of Steel-Al Explosion-bonded Clad Plate
The Development of Constitutive Parameters for an 1800 MPa Press Hardening Steel
The Effect of Twinning/Detwinning on the Evolution of Texture and Microstructure under Cyclic Loading of AZ31 Magnesium Alloy
Theoretical and Finite Element Analysis of New phenomena in Fully-dense Materials Displaying Tension-compression Asymmetry for Combined Axial-torsion Loadings
Three-dimensional Control Point Based Surface Description for Data Reduction, Reverse Engineering and Springback Compensation in Sheet Metal Forming
Time Dependent Method for the Inverse Evaluation of Yield Locus Using Nakazima Experiments
Towards Development of a Machine-learning Based Universal Plasticity Model of Sheet Metal under Arbitrary Loadings
Towards Machine-learning based Constitutive Modeling
Transformation in the Transportation Industry: Recent Advances in Simulation Technology
Validation of Comprehensive Material and Friction Models for Simulation of Thermo Mechanical Forming of High Strength Aluminium Alloys Using HFQ Technology
Validation of Strain Path–dependent Hardening Models to Forming of Martensitic Steel
Web Scraping and Data Mining of Microstructure and Formability Data of Aluminum Alloy Sheets for Machine Learning
Why the Hardening Rate Can Attend a Maximum Value of One Third of the Elastic Modulus in Strongly Textured Mg Alloys under Twinning Dominated Conditions?

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