Andreas Öchsner
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View article: Parametric analysis of quadratic convection on granular material flow through an inclined heated plane with heat absorption/generation
Parametric analysis of quadratic convection on granular material flow through an inclined heated plane with heat absorption/generation Open
This work presents a parametric analysis of quadratic convection with heat production or absorption through an inclined surface. The flow dynamics of granular materials, such as metal ores, sand, and coal, have garnered considerable intere…
View article: A functionally graded Green-Naghdi (type-III) thermoelastic medium with varying properties along two directions
A functionally graded Green-Naghdi (type-III) thermoelastic medium with varying properties along two directions Open
This study examines the two-dimensional deformation of a functionally graded Green Naghdi (type-III) thermoelastic half-space under hydrostatic initial stress. The material properties of the medium are assumed to vary along two directions.…
View article: Influence of the manufacturing process on the fatigue strength of threads
Influence of the manufacturing process on the fatigue strength of threads Open
Sustainability in product development emphasizes the need for extended product lifetimes to minimize replacements and reduce resource consumption and environmental impact. This study investigates the impact of different thread manufacturin…
View article: Preface
Preface Open
This special issue of Materials Science and Engineering Technology (Materialwissenschaft und Werkstofftechnik) contains selected papers presented at the 17 th International Conference on Advanced Computational Engineering and Experimenting…
View article: A study of a thermoelastic body possessing microtemperatures
A study of a thermoelastic body possessing microtemperatures Open
In our study we approach a Cosserat thermoelastic body in which we take into account both the usual temperature and the microtemperature, that is, the temperature of the microparticles of the body. After constructing the mixed problem with…
View article: Dynamic properties of the structures with three level of symmetry
Dynamic properties of the structures with three level of symmetry Open
In the field of mechanical engineering, structural systems that can present different types of symmetries are frequently encountered. The choice of such solutions with symmetries is generally the result of considering factors such as reduc…
View article: Investigations On The Fatigue Strength Of Threads Produced By Different Fabrication Techniques
Investigations On The Fatigue Strength Of Threads Produced By Different Fabrication Techniques Open
The increasing importance of sustainability in engineering demands the development of long-lasting, high-performance components that reduce material and energy consumption over time. This study investigates how different thread manufacturi…
View article: Behaviour of solutions for a thermoelastic Cosserat medium with temperature gradients
Behaviour of solutions for a thermoelastic Cosserat medium with temperature gradients Open
Our study falls within the linear theory of thermoelasticity of Cosserat media. Unlike other works that fall into similar contexts and that use the entropy balance low, our approach is based on an entropy production inequality. The entropy…
View article: A modified spatiotemporal nonlocal thermoelasticity theory with higher-order phase delays for a viscoelastic micropolar medium exposed to short-pulse laser excitation
A modified spatiotemporal nonlocal thermoelasticity theory with higher-order phase delays for a viscoelastic micropolar medium exposed to short-pulse laser excitation Open
At the microscale and nanoscale, materials exhibit size-dependent behaviors that classical models cannot capture. This analysis introduces a size-dependent higher-order thermoelastic heat conduction model, incorporating spatial and tempora…
View article: A qualitative analysis on the double porous thermoelastic bodies with microtemperature
A qualitative analysis on the double porous thermoelastic bodies with microtemperature Open
This study examines a mixed initial-boundary value problem in thermoelastic materials with a double porosity structure, taking into account the effects of microtemperature. The existence of a solution is established by converting the probl…
View article: Asymptotic partition of energies for a Cosserat thermoelastic medium
Asymptotic partition of energies for a Cosserat thermoelastic medium Open
The main aim of this study is to obtain a partition of the asymptotic type of energy of a solution for the mixed problem considered in the context of the Cosserat thermoelastic media. The concept of asymptotic equipartition is a notion, fr…
View article: Analysis of an initially stressed functionally graded thermoelastic medium (type III) without energy dissipation
Analysis of an initially stressed functionally graded thermoelastic medium (type III) without energy dissipation Open
The current investigation deals with the deformation of a non-homogeneous thermoelastic half space under hydrostatic initial stress for the Green–Naghdi model III. The medium is supposed to be rotating with a constant angular velocity. The…
View article: Investigation of the ageing behaviour of multiple reused polypropylene binding twines
Investigation of the ageing behaviour of multiple reused polypropylene binding twines Open
Climate change is one of the significant challenges of the 21st century. To achieve climate goals a change in plastic waste management needs to be implemented. This research examines the potential of thermo‐mechanical recycling of plastic …
View article: On the initial boundary values problem for a mixture of two Cosserat bodies with voids
On the initial boundary values problem for a mixture of two Cosserat bodies with voids Open
In this study it is approached a linear model for the mixture of two Cosserat bodies having pores. It is formulated the mixed problem with initial and boundary data in this context. The main goal is to show that the coefficients that reali…
View article: Determination of the flexural properties of additively manufactured polyamide 12 components with antimicrobial titanium dioxide additives
Determination of the flexural properties of additively manufactured polyamide 12 components with antimicrobial titanium dioxide additives Open
Antibacterial properties of components are increasingly becoming an important challenge in material development especially in polymer technology. A well‐known additive with which an antibacterial effect can be achieved is the metal oxide t…
View article: Preface
Preface Open
This special issue of Materials Science and Engineering Technology (Materialwissenschaft und Werkstofftechnik) contains selected papers presented at the 16 th International Conference on Advanced Computational Engineering and Experimenting…
View article: On the vibrational behavior of the conventional and hetero-junction carbon nanotubes
On the vibrational behavior of the conventional and hetero-junction carbon nanotubes Open
The shortcomings and insufficiency in the state-of-the-art investigations about the resonance in the hetero-junction carbon nanotubes with respect to the number of models and connection types highlight the necessity of a comprehensive stud…
View article: Characterisation of the mechanical properties of polyamide 12 powder when using titanium dioxide as antimicrobial additive
Characterisation of the mechanical properties of polyamide 12 powder when using titanium dioxide as antimicrobial additive Open
Antimicrobial properties of plastic components are an important part of polymer engineering. One commonly used additive with an antibacterial effect is titanium dioxide. The aim of this study is to investigate the influences on the mechani…
View article: In-situ preparation of CoFe2O4 nanoparticles on eggshell membrane-activated carbon for microwave absorption
In-situ preparation of CoFe2O4 nanoparticles on eggshell membrane-activated carbon for microwave absorption Open
This study explores the potential of using cobalt ferrite (CF) nanoparticles grown in situ on eggshell membranes (ESM) to mitigate the increasing problem of electromagnetic interference (EMI). A simple carbonization process was adopted to …
View article: One-Dimensional Finite Elements
One-Dimensional Finite Elements Open
The textbook introduces the finite element method and explains the complex method using only one-dimensional elements.
View article: Feasibility study on hybrid weld-bonding between dissimilar material for automotive industry
Feasibility study on hybrid weld-bonding between dissimilar material for automotive industry Open
Nowadays, the replacement of steel with lightweight materials such as aluminum causes an increased demand for joining of dissimilar materials in the automotive and aerospace industries. Dissimilar joining of components with Adhesive Bondin…