Flapping wings display complex flows which can be used to generate large lift forces. Flexibility in wings is widely used by natural flyers to increase the aerodynamic performance. The influence of wing flexibility on the flow ...

By means of the multicomponent Shan-Chen lattice Boltzmann method (LBM), we investigate the multiphase flow through porous media. Despite the excellent accuracy of the LBM, large domains result in unaffordable computational ...

An electromechanical rotating energy harvester design is presented. The Energy Harvester is devoted to extract energy from a rotating flange in an agricultural machinery designed for ploughing and laying seeds. The harvested ...

Formation of liquid sheets has been demonstrated as a critical capability needed in many different research fields. Many different types of liquid sheets have been produced experimentally, its thickness ranging from few ...

The work presents verification of a numerical model for micro-jet focusing, where a coupled liquid and gas flow occurs in a gas dynamic virtual nozzle (GDVN). Nozzles of this type are used in serial femtosecond crystallography ...

The current study deals with coupling of a volume conserving solver and a structural solver to calculate the static deformation of flexible structures under the load of a given volume of water. The volume-conserving solver ...

We consider the problem of the brittle cylinder grasping by the n fingers of the robot-manipulator [1]. Each finger contacts the cylinder in a single supporting point with Amontons-Coulomb or for two footholds spinning ...

The mechanism consisting of the tripod with two rotating eccentrics as internal movers is investigated. The tripod moves with dry friction on horizontal plane. Rotating massive eccentrics enable the tripod to slide and ...

A new approximate models of the tire rolling accounting for coupled longitudinal and lateral sliding as well as the spinning and the deformed state resulting in elastic forces were proposed in previous works [1-7]. The ...

In the present work an approach for the simulation of aeroacoustic effects induced by the interaction of a turbulent flow with moving structures is presented. The aeroacoustic sound field computation is based on an ...

The elastoplastic constitutive equation with the damage is formulated incorporating the subloading surface model. Further, it is extended to describe the unilateral damage phenomenon by formulating the actual Young’s modulus ...

In this paper, we proposed a simulation method based on the finite element method using an elasto-plastic model and a creep model to evaluate the changes in fluororesin properties with time. The validity of the proposed ...

The main purpose of this paper is to analyse the convergence measurements of the ALC1604 in situ heating test carried out in the Callovo-Oxfordian claystone formation (COx) in the Meuse/Haute-Marne underground research ...

This extended abstract presents a coupling method for the Fluid-Structure Interaction (FSI) problem, which aim is to be conservative and to use classical spaciotemporal discretization methods on each sub-domains; fluid and ...

In linear vibration analysis of partially filled elastic tanks [1], even if the the structure is submitted by a gaz or a liquid pressure, the reference configuration is generally used without the effect of static loads. In ...

When the human middle ear is damaged by various ear diseases, the linkage of the auditory ossicles may be reconstructed using the column article called the columella. In a tympanoplastyoperation, the sound conduction ...

Nowadays in railway traffic, specific speed limitations exist depending on the train charge, due to a fragile subsoil or even an old building that has to be preserved. Depending on the type of vehicle, the type of soil or ...

A semi-analytical hybrid approach is presented here to simulate the dynamic behaviour of a multi-layered elastic waveguide with a system of delaminations and a piezoelectric transducer mounted on the surface of the waveguide. ...

Actuator is a mechatronic system that transforms one type of energy (e.g. electric energy) into the mechanical displacement and mechanical force (mechanical energy). Nowadays, these actuators can be made of Functionally ...

Optimum design problem for hydrodynamic self-aligning acting thrust bearings was considered. Based on results for rectangular region the problem for sector region was solved. As an objective function, the maximum of pressure ...

In this study, the coupled solid piezoelectric and shell inverse-piezoelectric analysis method for a thin piezoelectric bimorph with metal layers is proposed. The piezoelectric bimorph is usually thin and includes the metal ...

Piezoelectric–structure–fluidinteractionisacomplexmultiphysicscoupledphenomena appears wherein piezoelectric devices are in contact or surrounded by the fluid media. The piezoelectric energy harvesting using ocean waves, ...

This paper presents an efficient screening tool, based on the 2D strip method and the CFD-based approach. The proposed method allows the study of the dynamics of the vortex-induced vibration (VIV) phenomenon with almost the ...

The schemes of aspiration of elevator overloads have been developing. Balance equations of ventilation of aspiration covers are compiled. The system of equations for determination of the volumes of ventilating air for a ...

Air jet weaving looms are widely used to weave fabrics because of the high production speed that can be attained. This is directly linked to the high insertion speed of the yarns. The yarn is accelerated into the reed by ...

Fluid-structure interaction (FSI) simulations can be used to quantify the frequency, damping constant and amplitude of the vibration of equipment such as piping and heat exchangers. Typically, the time step is the same in ...

In this contribution we present a strategy to investigate the vibrations of build­ ings subjected to a transient seismic excitation, including the soil-structure inte ract ion . The proposed simulation method can be helpful ...

Simulation of skeletal muscle activation can help to interpret electromyographic measurements and infer the behavior of the muscle fibers. Existing models consider simplified geometries or a low number of muscle fibers to ...

A potential novel application for electrically charged (water) spray is to improve cooling efficiency and reduce moisture loss in food chilling warehouses. In this paper we work toward a numerical (CFD) model that can be ...

We study the dynamics of the 3-DoF system with bistable nonlinear energy sink absorber, connected to the primary 2-DoF system. With the assumption that the mass of the absorber is small enough we study the local behaviour ...

Ice accretion is a phenomenon that super-cooled water droplets impinge and accrete on wall surfaces. It is known that icing can cause severe accidents. To prevent the icing, an electro-thermal heater is recently adopted ...

The objective of the present work is the introduction of new mixed variational principles for EM time integrators in electromechanics, hence bridging the gap between the previous work presented by the authors in References ...

We implemented loose and tight coupling methods to understand thermal diffusion between ocean and ice by means of a simplified one-dimensional model set-up proposed by Stefan. A Stefan problem is a prototypical ...

Many materials like sand, soil, cement, snow and grain, perform like solids or liquids depending on loads and boundary conditions. The proposed coupled solid-liquid analysis has the potential to deal conveniently with the ...

In the present study, the non-planar crack􀀃propagation problems in the 3D body are solved, extending our previous study on the smoothed particle hydrodynamics (SPH) method applied to the fatigue crack propagation of the ...

In this study, mechanical and thermal behavior of the mating interface during ultrasonic metal welding is investigated using molecular dynamics (MD) simulations. In ultrasonic welding process, the reciprocating motion of ...

Alkali-silica reaction is a chemical phenomenon that affects concrete structures built some decades ago and subject to a very wet environment, e.g. dams. The starting point of this work is a bi-phase damage model present ...

In nature, physical phenomena tend to exhibit their effects simultaneously and, depending on the situation of study, their interactions cannot be neglected. For instance, nanofluids, which are composed ...

Experiments have shown that aerothermodynamical loads on thin-walled structures lead under certain constraints to plastic deformation and buckling. The aim of the research is the accurate prediction of thermal ...