145 Works

A Reliable Numerical Algorithm for the Fractional Klein-Gordon Equation

Harendra SINGH, Devendra KUMAR, Jagdev SINGH & C.S. SINGH

LES study of turbulence intensity impact on spark ignition in a two-phase flow

J. STEMPKA, L. KUBAN & A. TYLISZCZAK

On the well-posedness of the time-differential three-phase-lag thermoelasticity model

C. D’APICE, S. CHIRIŢĂ & V. ZAMPOLI

Direct numerical simulation of the Taylor–Couette flow with the asymmetric end-wall boundary conditions

E. TULISZKA-SZNITKO & K. KIEŁCZEWSKI

Verification of Application of ANN Modelling in Study of Compressive Behaviour of Aluminium Sponges

Anna M. STRĘK, Marek DUDZIK, Arkadiusz KWIECIEŃ, Krzysztof WAŃCZYK & Barbara LIPOWSKA
This article presents a preliminary neural network analysis of the compressive behaviour of aluminium open-cell sponges and answers the question of whether this phenomenon can be modelled using artificial intelligence. The research consisted of two phases: first – compression experiments, which in turn provided data for the second phase – the artificial neural network (ANN) analysis. A two-argument function was proposed and tested using the gathered experimental data with a two-layer feedforward network. The determination...

Experimental study of the flow around two finite square cylinders

A. SOHANKAR, M. ABBASI, M. NILI-AHMADABADI &

Free vibration analysis of functionally graded rectangular nanoplates considering spatial variation of the nonlocal parameter

A. ALIPOUR GHASSABI, S. DAG & E. CIGEROGLU

Formulas for the H/V ratio of Rayleigh waves in incompressible pre-stressed half-spaces

P.C. VINH, T.T. TUAN & L.T. HUE

Unified fractional derivative models of magneto-thermo-viscoelasticity theory

M.A. EZZAT & A.A. EL-BARY

Inverse estimation of model parameters for newborn brain cooling process simulations

Dominika BANDOŁA, Ziemowit OSTROWSKI, Marek ROJCZYK, Wojciech WALAS, Zenon HALABA & Andrzej J. NOWAK

Lightweighting of Wishbone Finite Element Analysis

Shuxian WANG, Perk Lin CHONG & David HUGHES
This paper focuses on lightweighting of wishbone structure for ordinary 5-seated commercial vehicle. Typically, the wishbone structure is made of high carbon steel and the aim is to investigate if the composite materials, such as E-Glass/Epoxy, Carbon/Epoxy and Boron/Epoxy, can achieve the lightweighting purpose without compromising material strength. The study is carried out through finite element package (Siemen NX) with the consideration of three different loading conditions, namely, lateral braking force, vertical and longitudinal braking...

Investigation of Monotonic and Cyclic Behavior of Soft Clay Using Direct Simple Shear Apparatus

Sutera BENCHANUKROM, Chitsirin LAILAK & Nirut KONKONG
The purpose of this research was to study the monotonic and cyclic simple shear mode behavior of Bangkok clay, using direct simple shear apparatus. The monotonic specimens were prepared in a saturated condition and were K0 consolidated before being undrained sheared. The specimens were sheared at the shear strain rate of 5% per hour until the shear strain reached 20%. The Stress History and Normalized Soil Engineering Properties (SHANSEP) method was applied to analyze the...

Investigation of Free Vibration and Buckling of Timoshenko Nano-beam Based on a General Form of Eringen Theory Using Conformable Fractional Derivative and Galerkin Method

Farogh Soufi MOHAMMADI, Zaher RAHIMI, Wojciech SUMELKA & Xiao-Jun YANG
The purpose of this paper is to study the free vibration and buckling of a Timoshenko nano-beam using the general form of the Eringen theory generalized based on the fractional derivatives. In this paper, using the conformable fractional derivative (CFD) definition the generalized form of the Eringen nonlocal theory (ENT) is used to consider the effects of integer and noninteger stress gradients in the constitutive relation and also to consider small-scale effect in the vibration...

Behaviour of concrete reinforced with fibers from end-of-life tires under high compressive strain rates

Małgorzata PAJĄK, Jacek JANISZEWSKI & Leopold KRUSZKA

Modelling of blood thrombosis at microscopic and mesoscopic scales

Magdalena KOPERNIK

A Sliding Mode Controller Design for Thermal Comfort in Buildings

Paweł SKRUCH & Marek DŁUGOSZ
One of the factors determining comfort in buildings is the indoor air temperature of the rooms. A control system, part of the home automation system, should stabilise air temperature to the desired level, despite various disturbances such as the presence of random or occasional sources of heat. Inaccurate models of the dynamics of air temperature changes in buildings prescribe the use of robust control methods, a type of which is the sliding mode controller. This...

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  • Poznań University of Technology
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