By Megan Lobdell, Brian Croop, and Hubert Lobo.
Presented by Hubert Lobo at CARHS Automotive CAE Grand Challenge 2017.
strengthening the materials core of manufacturing enterprises
April 06, 2017 | by DatapointLabs | views 4915
Performing simulations that can approximate the material behavior of ductile plastics is daunting. Factors such as nonlinear elasticity, inclusion of volumetric and deviatoric behavior, finding and correctly applying the proper material data to create failure criteria are only a few hurdles. A variety of material models exist, each with numerous settings and varied parameter conversion methods. Combined, these cause a great deal of uncertainty for the FEA user. In previous papers, we delved into material models for both LS-DYNA (MAT089, MAT024, and MAT187) and ABAQUS (*ELASTIC, *PLASTIC) using mid-stage validation as a technique to probe solver accuracy. In this presentation, we summarize our findings on the benefits of this combined approach as a general tool to test and tune simulations for greater reliability.
By Megan Lobdell, Brian Croop, and Hubert Lobo.
Presented by Hubert Lobo at CARHS Automotive CAE Grand Challenge 2017.
Mechanical Plastics Automotive High Speed Testing Nonlinear Material Models Structural Analysis Universal Crash Presentations Validation
Progress on the Validation of Simulation for Ductile Polymers
Comments on the Testing and Management of Plastics Material Data
A Novel Technique to Measure Tensile Properties of Plastics at High Strain Rates
A Robust Methodology to Calibrate Crash Material Models for Polymers
Behavior-based Material Model Selection and Calibration of Plastics for Crash Simulation
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