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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 15.1

DatapointLabs Featured in Technical Conferences.

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Plastics Rubbers Foams Hyperelastic High Speed Testing Nonlinear Material Models LS-DYNA Abaqus Newsletters


Datapoint Newsletter: Summer '08, Volume 14.2

New Tests and TestPaks. New Presentations On-line.

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LS-DYNA Altair RADIOSS VISI Flow Newsletters Validation


Datapoint Newsletter: Spring '12, Volume 18.2

Technical Note: On the Conditioning of Plastics Prior to Testing. Expansion of Conditioning Capabilities.

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Newsletters


Material Models in Simulation, Part 3: New viscosity models 

We discuss developments in viscosity modeling. New models are not generalized, but are designed to predict expected trends for polymers and incorporate both Newtonian and shear-thinning behavior.

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Plastics Material Supplier Mold Maker/Designer Injection Molding Moldflow Presentations


Cold Runner Design - Getting the whole picture matters

The profitability of a molded rubber product depends to a large extent on the mold efficiency. To achieve the maximum productivity, besides the larges possible number of cavities it is desirable to minimize the rubber consumption and to produce parts without defects.

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Rheology Rubbers Automotive Biomedical Injection Molding SIGMASOFT Newsletters


Selecting Material Models for the Simulation of Foams 

We seek to lay down a framework to help us understand the different behavioral classes of foams. Following a methodology that we previously applied to plastics, we will then attempt to propose the right LS-DYNA material models that best capture these behaviours. Guidelines for model selection will be presented as well as best practices for characterization. Limitations of existing material models will be discussed.

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Foams Automotive Consumer Products Material Supplier Packaging Home Appliances High Speed Testing Nonlinear Material Models Structural Analysis LS-DYNA Abaqus ANSYS MSC.DYTRAN Research Papers


Methodology for Selection of Material Models for Plastics Impact Simulation 

The volume of plastics that are subjected to impact simulation has grown rapidly. In a previous paper, we discussed why different material models are needed to describe the highly varied behavior exhibited by these materials. In this paper, we cover the subject in more detail, exploring in depth, the nuances of commonly used LS-DYNA material models for plastics, covering important exceptions and criteria related to their use.

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Plastics Aerospace and Defense Automotive Consumer Products Material Supplier Industrial Goods Packaging Nonlinear Material Models Structural Analysis LS-DYNA Abaqus ANSYS PAM-CRASH Altair RADIOSS Research Papers


Datapoint Newsletter: Summer '11, Volume 17.2

New Lab Space & Equipment

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Mechanical Newsletters


Datapoint Newsletter: Fall '08, Volume 14.4

A Makeover for DatapointLabs.

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Rheology Thermal Mechanical Newsletters


Datapoint Newsletter: Summer '19, Vol. 25.3

New DatapointLabs Website; High Temperature Crash Properties

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Density Rheology Thermal Mechanical Plastics Automotive High Speed Testing Injection Molding Structural Analysis LS-DYNA ANSYS DIGIMAT Composites Newsletters Validation