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The LS-DYNA FE software was used for this study using the available composite material and cohesive failure models.
The results suggest some guidelines for practical design of failure resistant interfaces through appropriate choice of geometric, material, and cohesive parameters.
A set of critical parameters which include the aspect ratio, material and cohesive properties is predicted such that catastrophic crack growth is inhibited due to crack blunting.
State-of-the-art impact simulation methods in Abaqus/Explicit with Hashin failure criteria for the composite material and cohesive elements for delamination interfaces were capable of representing these effects of preloading that were observed in the experiment.
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A Johnson Cook material model and cohesive elements were used to predict plasticity, damage and fracture of the titanium (Ti 6Al 4V) fastener.
Introduced is a categorisation of bulk-material responses and cohesive zone models with particular prominence to the role of rate and plasticity.
This result indicated a high percentage of fines, which could suggest clay dominated material, and thereby signifying cohesive slope materials.
The parameters of bulk material and of the cohesive envelop (coefficients a and b of Eq. 6) where determined by fitting the data available in [9].
Table 1 shows the values of the parameters of bulk material and of the cohesive envelop (coefficients a and b of Eq. (15)), determined by fitting the data available in [57].
The flow functions of the three powders are located in different regions: while brown coal and hard coal were classified respectively as easy flowing and cohesive material, sawdust was found in regions varying from cohesive to easy flowing at low consolidation stress.
In some cases, electrostatic charges and amorphous domains on the particle surface induced by the milling process, render the ground material both cohesive and adhesive.
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