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Knowmats is an informal repository of information related to materials and simulation. The information helps simulation professionals perform best-in-class simulation with a better understanding of how materials are represented in FEA and simulation. read more...

Datapoint Newsletter: Spring '09, Volume 14.6

New Website: Your Lab at Your Computer. New Paper Available. full post

Rate Dependency Nonlinear Material Models LS-DYNA Abaqus Newsletters

Material Modeling of Soft Material for Non-linear NVH 

Abaqus’ Non-linear NVH capability permits the capture of material behavior of rubber seals and bushings, plastic parts and foam inserts which have a significant influence on the simulation. In this presentation, we discuss material calibration procedures for this application. full post

Plastics Rubbers Automotive Building Materials Material Supplier Nonlinear Material Models Structural Analysis Abaqus Presentations

Datapoint Newsletter: Winter '08, Volume 14.5

Simulation Tip: Interpreting Tensile Strength in the True Stress-Strain Environment. Partner Showcase: Abaqus. full post

Abaqus Newsletters

Datapoint Newsletter: Fall '08, Volume 14.4

A Makeover for DatapointLabs. full post

Rheology Thermal Mechanical Newsletters

Datapoint Newsletter: Summer '08, Volume 14.3

New 100kN Instron. New TestPaks Alliance Partner. Expanded Viso-Elastic Testing Capability. New at full post

Mechanical Visco-elastic SOLIDWORKS ANSYS FIDAP POLYFLOW Extrusion Newsletters

Simulating Plastics in Drop and Crash Tests 

If you want a crash simulation involving plastics to yield useful results, it is important to model the material behavior appropriately. The high strain rates have a significant effect on the properties, and failure can be ductile or brittle in nature, depending on a number of factors. full post

Plastics Aerospace and Defense Automotive Biomedical Consumer Products Material Supplier Toys/Sporting Goods Industrial Goods Packaging High Speed Testing Nonlinear Material Models Structural Analysis LS-DYNA Abaqus ANSYS MSC.DYTRAN PAM-CRASH RADIOSS Research Papers

Datapoint Newsletter: Summer '08, Volume 14.2

New Tests and TestPaks. New Presentations On-line. full post

LS-DYNA RADIOSS VISI Flow Newsletters Validation

Material Modeling and Mold Analysis 

We present a perspective on material modeling as applied to mold analysis requirements. Melt-solid transitions and the case for a unified material model are discussed, along with prediction of post-filling material behavior and shrinkage, and the impact of viscous heating on flow behavior and material degradation. full post

Plastics Rubbers Foams Metals Aerospace and Defense Automotive Biomedical Consumer Products Energy and Petroleum Electonics/Electrical Industrial Goods CAE Vendor/Supplier Packaging Home Appliances Blow Molding Extrusion Injection Molding Nonlinear Material Models Moldflow Composites Presentations Gels Oils/Lubricants Waxes

Datapoint Newsletter: Spring '08, Volume 14.1

New TestPaks. New Test Capabilities. full post

Moldflow LS-DYNA Abaqus PAM-FORM Newsletters

Material Modeling Strategies for Crash and Drop Test Simulation

Many LS-DYNA models are used for plastics crash simulation. However, common models are not designed for plastics. We present best practices developed for adapting common models to plastics, as well as best testing protocols to generate clean, accurate rate-dependent data. full post

Metals Aerospace and Defense Automotive Consumer Products Material Supplier Industrial Goods Packaging High Speed Testing Nonlinear Material Models Structural Analysis LS-DYNA Abaqus ANSYS MSC.DYTRAN PAM-CRASH Presentations