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Framework for the strain rate dependent approach

Strain rate dependent mechanical metamaterials

Strain rate dependent mechanical metamaterials

... Quadrilateral elements (type CPE4H) were used for the discretiza- tion of the bi-beam geometries (length, 40 mm; width, 5 mm; thickness, 25 mm). On the basis of the results of a mesh convergence study, at least 12 ...

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Development of a High Strain-Rate Dependent Vehicle Model

Development of a High Strain-Rate Dependent Vehicle Model

... each strain rate value a load curve ID that gives the stress versus effective plastic strain for the ...lowest strain rate given in the table is applied if the strain rate ...

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Strain rate dependent mechanical properties of the equine hoof wall

Strain rate dependent mechanical properties of the equine hoof wall

... however, since the length of hoof columns was limited by the size of the hoof, the overall length was often less than that suggested. Specimen thickness was greater than that recommended in order to include the entire ...

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A Methodology for Characterization of the Strain Rate-Dependent Behavior of PU Foam

A Methodology for Characterization of the Strain Rate-Dependent Behavior of PU Foam

... stress- strain responses of a rigid PU foam at low to medium strain ...not dependent on the type of foam being considered and can be applied to cellular materials in ...as strain rate ...

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Strain rate and temperature dependent mechanical behavior of nanocrystalline gold

Strain rate and temperature dependent mechanical behavior of nanocrystalline gold

... of strain rates 10 -5 –10 s -1 and temperatures 298–383 ...and strain rate ranges as the means to identify thermally activated mechanisms responsible for inelastic deformation in different ...

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A framework approach to initialisation dependent clustering methodologies

A framework approach to initialisation dependent clustering methodologies

... With K-Means its extensive use has lead to its inherently unstable nature with respect to initial conditions being well known and algorithmic exten- sions have been proposed to mitigate this susceptibility to ...

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Rate-dependent ductile fracture under plane strain tension: experiments and simulations

Rate-dependent ductile fracture under plane strain tension: experiments and simulations

... plastic strain ¯ ε pl combining Swift and Voce laws. Strain rate sensitivity was found to be negligi- ble for the aluminium alloy, while a Johnson-Cook sensi- tivity coefficient is taken into account ...

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Effect of microstructure on anomalous strain-rate-dependent behaviour of bacterial cellulose hydrogel

Effect of microstructure on anomalous strain-rate-dependent behaviour of bacterial cellulose hydrogel

... anomalous strain-rate-dependent behaviour of bacterial cellulose (BC) hydrogel that can be strain-rate insensitive, hardening, softening, or strain-rate insensitive in ...

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Non-convex rate dependent strain gradient crystal plasticity and deformation patterning

Non-convex rate dependent strain gradient crystal plasticity and deformation patterning

... (2011) where a high strain rate causes that the plastic slip has not enough time to evolve. The next example in this subsection concerns the influence of the internal length scale parameter R on the ...

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Physical mechanisms underlying the strain-rate-dependent mechanical behavior of kangaroo shoulder cartilage

Physical mechanisms underlying the strain-rate-dependent mechanical behavior of kangaroo shoulder cartilage

... ological strain-rates without any significant ...the strain-rate-dependent response are important for understanding tissue behavior in osteoar- thritis sufferers, the development of strategies ...

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A rate-dependent Hosford-Coulomb model for predicting ductile fracture at high strain rates

A rate-dependent Hosford-Coulomb model for predicting ductile fracture at high strain rates

... a strain rate and temperature-dependent plasticity model (Roth and Mohr, ...plastic strain ¯ ε p as a function of the strain rate ˙¯ ε p , the temperature T , the stress ...

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Temperature and strain rate dependent mechanical response of METCO 601 aluminium-polyester abradable seal coating

Temperature and strain rate dependent mechanical response of METCO 601 aluminium-polyester abradable seal coating

... imposed strain rate of 1·10 -3 s -1 and at temperatures of 298 K, 373 K and 573 K in order to determine the sensitivity of the mechanical response of the material to ...macroscopic strain field and ...

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Effect of strain rate on geopolymer concrete

Effect of strain rate on geopolymer concrete

... effect of stress-strain rates on a single mix using different curing methods Spooner [11]. They found that stress at failure for specimens cured in water was strain-rate dependent. Clearly ...

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Strain rate effects for spallation of concrete

Strain rate effects for spallation of concrete

... The strain rate effect is still an open issue within this ...by rate dependent stress strain relations – or mainly an effect of inertia is still under ...damage approach with ...

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Estimating the Strain-Rate-Dependent Parameters of the Cowper-Symonds and Johnson-Cook Material Models using Taguchi Arrays

Estimating the Strain-Rate-Dependent Parameters of the Cowper-Symonds and Johnson-Cook Material Models using Taguchi Arrays

... with strain gauges for measuring the strains to obtain the strain ...the strain gauges did not break off during the ...some strain measurements were successful and an agreement between the ...

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A Strain Range Dependent Cyclic Plasticity Model

A Strain Range Dependent Cyclic Plasticity Model

... plastic strain and strain range of the hysteresis loop. This approach may be quite erroneous particularly if the mean stress is not small and the effect of isotropic hardening is ...A strain ...

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VARIABILITY OF STRAIN AND STRAIN RATE IN THE HUMAN TIBIAL DIAPHYSIS DURING WALKING

VARIABILITY OF STRAIN AND STRAIN RATE IN THE HUMAN TIBIAL DIAPHYSIS DURING WALKING

... tibial strain obtained from these subjects included the variation of in vivo strain obtained from different adults (males and females with a mean age of ...tibial strain among more diverse population ...

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Decellularisation affects the strain rate dependent and dynamic mechanical properties of a xenogeneic tendon intended for anterior cruciate ligament replacement

Decellularisation affects the strain rate dependent and dynamic mechanical properties of a xenogeneic tendon intended for anterior cruciate ligament replacement

... Limitations with the studies presented arise as testing for both study 1 and study 2 were performed utilising the same mechanical testing system, with strain was measured using crosshead displacement rather than ...

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Estimating the strain-rate-dependent parameters of the Johnson-Cook material model using optimisation algorithms combined with a response surface

Estimating the strain-rate-dependent parameters of the Johnson-Cook material model using optimisation algorithms combined with a response surface

... appropriate strain-rate parameters for the selected material model should be ...appropriate strain-rate-dependent parameter values of the selected material ...different strain ...

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Time-Dependent Rate Phenomenon in Viruses

Time-Dependent Rate Phenomenon in Viruses

... Overall, our results support the predictive value of our TDRP model and suggest that our model is useful as a guideline for further improvement of current evolutionary analytical tools. To the best of our knowledge, this ...

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