Showing papers in "Procedia IUTAM in 2017"

TL;DR: In this paper, the authors summarized the recent progress of the highly ordered GNHS synthesis/assembly, and discussed the mechanical properties of GNHS under various conditions as obtained from molecular dynamics simulations.

TL;DR: In this paper, a planetary ball mill was used to combine Micron-sized Co powder with WC nanopowder to obtain uniform composite powder and single remelted beads and monolayers were obtained from the composite powder on the substrates of sintered WC-Co.

TL;DR: For linear delay-differential equations, a question of ongoing interest is to determine conditions on the equation parameters that guarantee exponential stability of solutions as mentioned in this paper, and such an idea is presented and exploited in the control of active vibrations.

TL;DR: In this article, the authors reviewed the development and the analysis of the coupled two degrees-of-freedom model of drill-string vibration, which assumes a state-dependent time delay and a viscous damping for both the axial and torsional vibration.

TL;DR: In this paper, Artificial Neural Networks (ANNs) are used to generate short-term forecasts of extreme water levels at estuarine ports, using Immingham as a test case, using an ANN is configured to simulate the tidal surge residual using an input vector that includes observations of surge at distant tide gauges in NW Scotland, wind and atmospheric pressure, and the predicted astronomical tide at Immingham.

TL;DR: In this article, the nonlinear free oscillations of a planar, initially straight Timoshenko beam are investigated by means of the asymptotic development method, focusing on the difference in considering the "mechanical" vs. "geometric" curvature of the axis of the beam, which are different for extensible beams.

TL;DR: The West Virginia University (WVU) Center for Alternative Fuels Engines and Emissions (CAFEE) continues to engage the challenge of future regulation in a multi-pronged approach, investigating advanced combustion regimes, alternative fuels, and next-generation emissions control technology as mentioned in this paper.

TL;DR: In this paper, the Selective Laser Melting (SLM) and Direct Laser Metal Deposition (DLMD) are used to manufacture the single tracks and layers of Ni3Al intermetallics.

TL;DR: In this article, a system of optical monitoring and diagnostics of selective laser melting process with alternative beam power density distributions is developed, and the experimental work with input parameters variation showed the correlation between obtained power density distribution and geometrical parameters of single tracks.

TL;DR: In this article, a general theory for single-degree-of-freedom impact oscillators, previously described in an unpublished manuscript by Nordmark and Kisitu1, is shown to yield both qualitative and quantitative agreement with model simulation results.

TL;DR: In this paper, the most pessimistic events of the globe in history are addressed when we present severe impacts caused by storm surges and integrated research on disaster risk (IRDR) as an ICSU program is put on agenda.

TL;DR: In this article, a new approach to the layered synthesis of intermetallide phases of the NixAly type and gradient of mechanical properties in the obtained laminar structures was proposed.

TL;DR: In this article, a finite element approach accounting for surface energy was used to verify the equivalence of the compression of an elastic sphere and the indentation of a half space, even with the presence of surface tension.

TL;DR: In this article, the authors study plane problems on the interaction of surface nonuniformageing viscoelastic bases with regular finite systems of rigid flat punches, and take into account the age and structure non-uniformity of solids due to additive manufacturing processes.

TL;DR: In this paper, a self-consistent experimental and numerical set up that models a cascade of triadic interactions transferring energy from large-scale monochromatic input to multi-scale internal wave motion is proposed.

TL;DR: In this paper, a mathematical model of 3D and 2D solids that grow owing to processes of continuous influx of new elements (surfaces and fibers) is proposed and complete systems of equations and boundary value problems are obtained.

TL;DR: In this article, the boundary value problem of coupled thermoelastoplasticity was studied and a new analytical solution of the problem of uneven heat treatment of the thermo-elasticplastic hollow cylinder was constructed within of thermal stresses and plastic flow theories.

TL;DR: In this article, the bursting pattern of uncoupled neuron can change to multiple different firing patterns when receiving negative stimulus at suitable phase to form the multiple patterns of synchronous bursting appearing at different time delay.

TL;DR: In this article, a Shadow Particle Tracking Velocimetry (S-PTV) with collimated light is used to investigate the dynamics of a turbulent von Karman (VK) flow in water.

TL;DR: In this article, the authors investigated energy absorption of thermally loaded composites and nanocomposites laminates during impact loading and analyzed the energy absorption and delamination area of the specimens.

TL;DR: This work illustrates, in a preliminary manner, the results that can be obtained reducing the aforementioned constraints thanks to the implementation of algorithms based on a parallel computing approach by focusing on basins of attraction.

TL;DR: In this paper, a mathematical model of the effect of an electromagnetic field on a predamaged thermoelastoplastic material with an ordered system of defects is proposed, taking into account melting and evaporation of the material and the dependence of all of its physical and mechanical properties on temperature.

TL;DR: This paper presents the original project and its influence in other courses and in new curricula, and gives a slight overview of pedagogical advantages of this approach.

TL;DR: In this article, a cylindrical arch on a smooth rigid horizontal base is modeled as a continuous accretion process, that is, an infinitely thin material layer is added to the solid on every infinitesimal time interval.

TL;DR: In this article, the adaptive group consensus problem of networked mechanical systems was formulated by Lagrangian dynamics under directed acyclic network topology by the use of adaptive control scheme based on neural networks.

TL;DR: In this paper, an efficient and scalable numerical method for massively parallel computing of fluid-structure interaction systems has been developed for biomedical applications, where a full Eulerian method is employed to couple the incompressible motions of fluid and hyperelastic materials.

TL;DR: In this paper, a high-resolution tide-surge model driven by highresolution reanalyzed atmospheric fields reconstructing Baltic Sea sea levels from 1948 to 2011 on an hourly basis is analyzed.

TL;DR: In this article, hydrodynamic model simulations were conducted to characterize the interactions of rainfall runoff and storm surge in a tidal river in Rhode Island, USA, and compared river floods under scenarios with and without storm surge were compared.

TL;DR: Based on von Karman large deformation theory and Hooke law, the partial differential equation for nonlinear vibration of the bistable piezoelectric system is derived by using Hamilton's principle as discussed by the authors.

TL;DR: In this paper, the Gurtin-Murdoch model of surface elasticity is applied to thin-walled structures with tangential and bending stiffness parameters taking into account surface/interfacial initial stresses.