Complex geometries
A novel modal expansion method for low-order modeling of thermoacoustic instabilities in complex geometries
... increasingly complex setups and advanced diagnostics were carried out over the years to study this intricate interplay between flame dynamics and acoustic ...featuring complex geometries [2] ...the ...
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High-order numerical methods for unsteady flows around complex geometries
... 1.3.3 The Spectral Differences Method on unstructured grids The Spectral Difference Method is a promising approach to discretize the Navier-Stokes equa- tions. It belongs to Spectral Discontinuous methods: quantities are ...
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A Domain Decomposition technique for complex geometries based on the Proper Generalized Decomposition
... 6 Conclusions The PGD technique is of a high interest when simulating the behaviour of laminates due to the capability of obtaining full 3D solutions while keeping a 2D computational complexity. However, when it make use ...
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Toward the use of Symbolic Monte Carlo for Conduction-Radiation Coupling in Complex Geometries
... 5 Univ Lyon, CNRS, INSA-Lyon, Universit´e Claude Bernard Lyon 1, CETHIL UMR5008, F-69621, Villeurbanne, France ABSTRACT. We address the interest of using Symbolic Monte Carlo to obtain a reduced model for ...
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A massively parallel CFD/DEM approach for reactive gas-solid flows in complex geometries using unstructured meshes
... describe complex geometries and to perform local refinements, but lead to significant coding effort involving sophisticated ...arbitrarily complex geometries, all to be operated on unstructured ...
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A novel modal expansion method for low-order modeling of thermoacoustic instabilities in complex geometries
... for complex geometries that are encountered in industrial com- ...in complex geometries comprising active flames and dissipative effects [5,6] , and can also incorporate the FDF formalism to ...
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Recent Progress in High-Order Residual-Based Compact Schemes for Compressible Flow Simulations: Toward Scale-Resolving Simulations and Complex Geometries
... 6 Conclusions A family of high-order Residual-Based compact schemes has been extended to unsteady flows and complex geometries. Unsteady RBC schemes of highest order (5 and 7) exhibit excellent ...
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Analytical and numerical computations of the van der Waals force in complex geometries: Application to the filtration of colloidal particles
... a complex balance between repulsive forces, such as hydrodynamic or electrostatic effects, and attractive forces, amongst them the van der Waals interaction ...
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Conjugate heat transfer coupling relying on large eddy simulation with complex geometries in massively parallel environments
... Development and assessment of a coupled strategy for conjugate heat transfer with Large Eddy Simulation.. Application to a cooled turbine blade.[r] ...
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Moving mesh for complex geometries
... Usually, moving mesh algorithms are coupled to some mesh optimization operations that aim at maintaining the best possible the mesh quality while deforming it using either several local [r] ...
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Durable optical phantoms with complex geometries and tissue-like mechanical properties
... L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D’UTILISER CE SITE WEB.. Photonics N[r] ...
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A computational approach to handle complex microstructure geometries
... In multiscale analysis of components, there is usually a need to solve micro- structures with complex geometries. In this paper, we use the extended finite element method (X-FEM) to solve scales involving ...
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Sensitivity in shape optimization of complex 3D geometries using level sets and non-conforming finite elements
... A few years ago, the level set method was nicely complemented by the XFEM (eXtended Finite Element Method) proposed by Moes et al (1999). This approach greatly reduces the difficulty of considering time-variable ...
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Capillary Instability in Nanowire Geometries
... The vapor-liquid-solid (VLS) mechanism [1] has been applied extensively as a framework for growing single-crystal semiconductor nanowires for applications spanning optoelectronic, sensor and energy-related technologies ...
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Study of Symmetry-Breaking Instabilities in Axisymmetric Geometries
... z Figure 2.17 Eccentricity on the stenotic geometry. around certain blunt bodies may converge to a steady state at a Reynolds number where this solution is no longer be valid (Noack and Eckelmann, 1994), and the added ...
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Crystallization of carbon tetrachloride in confined geometries
... demonstrated that the FCC-to-R transition is no longer observed when the pore radius is smaller than 16.5 nm, which is the case for our silica samples (see Table 1). Because of the complex behaviour of CCl 4 upon ...
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Classification of base geometries in F-theory
... I will present the general classification program of complex base surfaces and threefolds using algebraic geometry machinery and the language of non- Higgsable gauge [r] ...
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Topology of automorphism groups of parabolic geometries
... 1.2. Definitions. Parabolic geometries are most conveniently defined in terms of Cartan geometries. Let G be a Lie group with Lie algebra g, and P < G a closed subgroup. We will assume throughout the ...
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Validation of efficiency transfer for Marinelli geometries
... the detector under measurement conditions different from those of calibration (ET factors). Databases are included, making it possible to record characteristics of different measurement geometries and update data ...
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Smooth horizonless geometries deep inside the black-hole regime
... microstate geometries that solve the ten-year- old problem of lowering the angular momentum j arbi- trarily below the cosmic censorship bound, and we have identified the dual CFT ...
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