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Application of Nonlinear Viscoelastic Material Models for the Shrinkage and Warpage Analysis of Blow Molded Parts
The prediction of shrinkage and warpage of extrusion blow molded plastic parts is a topic of high industrial demand. Nevertheless, simulation results...
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Viscoelasticity Theoretical Background
This chapter briefly provides an appropriate and sufficient knowledge for those who want to face serious problems related to constructional...
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On quasinormal frequencies of black hole perturbations with an external source
In the study of perturbations around black hole configurations, whether an external source can influence the perturbation behavior is an interesting...
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Pipe Flow
Pipe flow has been a challenge that gave rise to investigations on turbulence—long before turbulence was discerned as a research problem in its own...
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Channel Flow
The relationship between flow velocity, slope and cross-sectional geometry of a channel was crucial for designing water supplies of villages and...
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Wave propagation in viscoelastic composite materials with long-memory effects
The homogenization of viscoelastic composite materials gives rise to long-memory effects, reflected by the presence in the homogenized viscoelastic...
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ANSYS Study of the Shape-Memory Effect in Cross-Linked Polyethylene Products
AbstractThe aim of this work is to clarify the causes of axial shrinkage of heat-shrinkable tubes made of cross-linked polyethylene at the expansion...
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BENDING ANALYSIS OF DOUBLE VISCOELASTIC NANOPLATES BASED ON THE MODIFIED COUPLE STRESS THEORY AND RELAXATION THEORY
AbstractBased on the modified couple stress theory and stress relaxation phenomenon, the governing equation of motion for a double viscoelastic...
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Peridynamic model for visco-hyperelastic material deformation in different strain rates
This study presents a peridynamic (PD) constitutive model for visco-hyperelastic materials under homogenous deformation. The constitutive...
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On the Characterisation and Modelling of the NR-BR Blend Under Harmonic Excitation Considering Self-heating Effect
It is no secret that elastomers are involved across a wide range of industrial applications. These are exposed to various environmental influences,...
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Multi-scale constitutive model of human trabecular bone
The present study aims to formulate a new multiscale constitutive model of human trabecular bone. The trabecular bone was modelled as a nonlinear...
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Quasinormal Modes of Dilaton Black Holes: Analytic Approximations
We have derived precise analytic expressions for the quasinormal modes of test scalar, and Dirac fields in the background of the dilaton black hole....
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Numerical Simulation
This chapter starts with the necessary theoretical background on Finite Element Modeling, such as introducing different types of the commonly used...
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Linear viscoelastic responses and constitutive equations in terms of fractional operators with non-singular kernels
The article investigates implementation of fractional operators with non-singular memories (Caputo-Fabrizio) and Atangana-Baleanu (ABC) derivatives...
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Oxidative ageing of elastomers: experiment and modelling
During an extensive test programme at the Bundesanstalt für Materialforschung und prüfung, material property changes of EPDM O-rings were...
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Investigation of the nonlinear hyper-viscoelastic behavior of elastomers at finite strain: implementation and numerical validation
Rubber-like materials are known for their time-dependent behavior. The ability to model the hyperviscoelastic behavior of a diverse range of these...
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Selective Laser Sintered Pipe Specimen Under Torsional Load: Experimental Investigations and Material Modeling
Pipes and hoses in automotive and aircraft design engineering represent the central application area for polyamide 12 (PA12). This is due to its...
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Review of Classical Phenomenological Models of Linear Viscoelasticity
From the 1st-orderPhenomenological models ordinaryLinear viscoelasticity differential equations of the MaxwellPhenomenological modelsMaxwell and...
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Echoes of charged black-bounce spacetimes
In present work, the evolution of scalar field and electromagnetic field under the background of the charged black-bounce spacetimes are...
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Quasinormal modes and stability of accelerating Reissner-Norsdtröm AdS black holes
We investigate the numerical stability of accelerating AdS black holes against linear scalar perturbations. In particular, we study the evolution of...