The mechanics of stress partitioning in two-phase porous media is predicted on the basis of a variational purely-macroscopic theory of porous media (VMTPM) with compressible constituents. Attention is focused on applications ...

This paper presents experimental hygrothermal data of an hemp concrete wall of dimensions 0.9×0.9×0.1 [m3]. The wall is instrumented with sensors to monitor temperature, relative humidity at the middle of the wall and ...

The numerical simulation of a consolidation process undergoing large strains is a challenging task that requires the formulation and the solution of the coupled soliddeformation/fluid-diffusion problem within a changing ...

In this paper a brief and critical review of the current literature on hydro-mechanical coupling is presented. Furthermore, anenhanced discrete element model is used to investigate the mutual relationship of soil water ...

This paper presents advanced methods of image segmentation suitable for automatic recognition of the human liver and its vessel system, but in general could be used to segment any organ or body tissue. The comparison of ...

Modeling and numerical simulation of the coupled physical and chemical processes observed in the subsurface are the only options for long-term analyses of complex geological systems. This contribution discusses some more ...

More than 95 % of crude steel is nowadays processed by Continuous Casting (CC) [1]. To further advance the quality of the products and efficiency of the process, electromagnetic (EM) field, which affects the fluid flow as ...

Technology of the object-oriented implementation for the multibody dynamics models is the key feature when developing the corresponding computer structures. We are based on an approach originating from concepts explained ...

We consider motion of a system consisting of a rigid body and internal movable masses on a rough surface. The possibility of rotation of the system around its center of mass because of the internal movable mass motion is ...

The University of Toronto's ongoing work towards the improvement and further development of multi-platform simulation methods is presented in this paper. These developments include a ten-element hybrid simulator and a ...

The present paper presents all research activities focused on the development of a pure thermal hybrid simulator (THS). In detail, the need for a rigorous coupling is investigated, i.e. temperatures are sent from the ...

Coupled problems of the multi-degree-of-freedom-system (MDOF) or SoilStructure Interaction (SSI) are usually translated to a series of the single-degree-of-freedom (SDOF) equations. In this paper, the predominant periods ...

The present work deals with the numerical simulation of porous media subject to the coupled effects of mechanical compaction and reactive flows that can significantly alter the porosity due to dissolution, precipitation or ...

Finite element simulation of resistance welding requires coupling between mechanical, thermal and electrical models. This paper presents the numerical models and their couplings that are utilized in the computer program ...

Air chamber supported floating platforms can significantly decrease wave induced structural responses. Novel applications, like floating arrays of solar collectors, with low payload requirements allow the design of floating ...

Buildings are grounded in the surrounding soil, so that soil and structure interact with each other. Consequently in the soil induced vibrations are transmitted to the structures. Neighbouring buildings and structures ...

Numerical simulation is a valuable tool to help investigate complex multiphysics problems of engineering and science. This also applies to inductive surface hardening with its coupled electromagnetic and temperature fields ...

All-Vanadium Redox Flow Batteries (VRFBs) are emerging as a novel technology for stationary energy storage. Numerical models are useful for exploring the potential performance of such devices, optimizing the structure and ...

The current paper presents the Pseudo-Incident Wave method for the theoretical treatment of the dynamic interaction between general inhomogeneities in advanced piezoelectric structures. Instead of simulating the response ...

We discuss well-posedness and stability of multi-physics problems by studying a model problem. By applying the energy method, boundary and interface conditions are derived such that the continuous and semi-discrete problem ...

The essential components of a dynamically adaptive, parallel lattice Boltzmann method particularly tailored for coupled wind engineering are described. By utilizing a level set approach for geometry embedding the method ...

In this study we present the results of the benchmark of a turbulent FluidStructure Interaction test case. An implicit partitioned approach is employed to couple the fluid and structure subproblems. We employ three different ...

The general approach to the application of the LS-STAG method for RANS simulation and for numerical simulation in coupled hydroelastic problems is suggested. According to the concept of the LS-STAG method normal Reynolds ...

Multi-physics simulations, such as fluid-structure-acoustics interaction (FSA), require a high performance computing environment in order to perform the simulation in a reasonable amount of computation time. Currently ...

In this contribution, we study biological nanoclusters where the coupling between their parts is essential. The main focus is on the RNA-based nanostructures. RNA molecules are very flexible in nature. This feature allows ...

Understanding heat and mass transfer phenomena at solid-liquid nanoscale interface plays a crucial role for introducing novel and more rationally designed theranostic particles, drug with tailored features and for gaining ...

For the numerical simulation of oxygen potential distributions in Solid Oxide Fuel Cell (SOFC), the time-evolution of the anode microstructure is reflected in the macroscopic electrical conductivities and the amount of ...

We consider the numerical approximation and simulation of a particle beam, usually modeled by the Vlasov-Maxwell system. Our work will deal with a 3D paraxial approximate model, derived from asymptotic expansions. It ...

Welding processes and installations used nowadays are mainly developed on practical experience and analytical calculations. Nevertheless, high frequency induction tube welding is a very complex three-dimensional dynamic ...

The paper outlines the developed mathematical models, computational algorithms forcalculation of dust and gas streams in the spectrum of action of local ventilation device of the closed type (aspiration shelter) from ...

The aim of this work is to provide a numerical method of fluid-thermal-structure coupled simulation of grid fins in hypersonic flows. Hypersonic flight vehicle with grid fins offers many advantages under high speed ...

Incompressible smoothed particle hydrodynamics method has been used to simulate the migration of a two-dimensional rigid disc in Couette flow in presence of an external electric field. The electric field is perpendicular ...

A high-order discontinuous Galerkin Finite Element solver is developed for solving electro-fluid-dynamics problems. The solver is employed to perform numerical simulations of deformation of a droplet suspended in another ...

This study analyses gas particle flow around a sphere under an adiabatic condition at high Mach number and low Reynolds number by direct numerical simulation of the three– dimensional compressible Navier–Stokes equation ...

Dissolved oxygen (DO) transfer between bottom sediments and the overlaying water (Water-Sediment Interface, WSI) constitutes an essential coupling for benthic and pelagic ecosystems and influences a wide range of important ...

In the present research the well-known test problem of wind resonance phenomenon simulation is considered. The Vortex Element Method and the LS-STAG method are used for its solving and their comparison is carried out. ...

In PWR plants, nuclear fuel pellets (cylinders 1.2 cm length, 0.84 cm diameter) are piled in nuclear fuel rods placed in assemblies, each containing 265 fuel rods. the fuel rod is a tube manufactured in a zirconium alloyed ...

In this study, we develop the constitutive model to analyse the self-healing ceramic materials within the framework of FEM. The self-hearing and isotropic damage constitutive model for ceramic materials can describe not ...

Self healing materials are becoming more and more important for the construction of mechanical components due to their ability to detect and heal failures and cracks autonomously. Especially in polymers and polymer-composites, ...

A coupled mode model is presented for the propagation of acoustic-gravity waves in layered ocean waveguides. The analysis extends previous work for acoustic waves in inhomogeneous environment. The coupled mode system is ...

We investigate two different inverse problems of determining the tsunami source using two different additional data, namely underwater measurements and satellite wave-form images, and combination of these two inverse ...

The determination of the global optimized (GO) shape of a flying configuration (FC), which is of minimum drag at two cruising Mach numbers, can be obtained by morphing. Two movable leading edge flaps are used for this ...

In this paper, a parallel sampling strategy dedicated to SAO is proposed to enhance the competence of exploration and convergence simultaneously in the optimization process. In the parallel sampling procedure, new sampling ...

Electroelastic field in an semi-infinite body with  D symmetry subjected to a locally uniform electric potential on its surface is investigated. By extending a potential function method for transversely isotropic bodies, ...

The aim of this work is to compare, in monolayer graphene, solutions of the electron Boltzmann equation, obtained with a discontinuous Galerkin method, with those of a hydrodynamical model based on the Maximum Entropy Principle.

In this study, a hierarchal decomposition for the interaction of the structure, fluid and electrostatic field or the structure-fluid-electrostatic interaction, which is one of typical phenomena in micro-electro-mechanical ...

For applications with large physical domains and large body displacements it is of vital importance to use an accurate and computationally affordable numerical method. The objective of the present study is to compare the ...

The objective of this paper is to present a numerical model for fluid-structure interactions (abbr. FSI). Indeed, emergence of hybrid vehicles, system such as Start & Stop and reduction of engine noises have contributed ...

In this paper a fluid-structure interaction problem is investigated, in which fluid flow and flexible deformations of structures are coupled. Exemplarily, the collision of a moving deformable water-filled container with ...

Passive flow control by vortex generators (VGs) is the simplest solution to delay or eliminate the separation of the fluid from the wall. The present work concerns the effectiveness of a new geometry of VGs shaped delta ...

Analytical approach to modeling the interaction between submerged elastic structures and non-stationary loads has long been recognized as an attractive tool of engineering analysis, especially at the pre-design stage ...

Fluid-structure interaction (FSI) problems occur when a potentially deformable solid interact with a surrounding fluid. The flow of the fluid deforms the solid and/or changes its position thus modifying the geometry of ...

The vortex-induced vibration phenomenon can occur as a result of the action of wind on bridges, slender buildings, chimneys and energy transmission cables besides the action of water flow on pipelines and risers, among ...

The paper presents the main features of a hydro-mechanical coupled finite element of interface. The mechanical problem accounts for the detection of contact, the development of contact pressure, shearing and relative ...

In this paper high-order triangular elements are implemented in the framework of the Arbitrary Lagrangian-Eulerian method for the analysis of large strain consolidation problems in geomechanics. The theory of consolidation, ...

Stress transport in an unsaturated granular material is analytically derived. As such, an effective stress tensor related to the mechanical state governed by the interganular forces within the skeleton is identified ...

This paper investigates the thermo-hydro-mechanical behavior of Callovo- Oxfordian claystone, a potential host formation for prospective nuclear waste disposal in France. Thermal pore pressure appears in low permeability ...

To simulate the different mechanisms we considered a reactor of constant temperature and volume, where the only reactions that are carried out are those with reported kinetic constants [1]. For example, to simulate the ...

To ensure the complete localization of dust emissions, arising from the formation the overpressure in shelters, when heated conveyor overload materials is usually performed through suction of air from two shelters - from ...

The aim of this study is to investigate the effect of transient creep on the structural response of RC columns subjected to natural or parametric fires using a finite element model developed by the authors. The model, ...