Exploració per tema "Simulació per ordinador digital"
Ara es mostren els items 21-40 de 161
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Adaptive finite element simulation of multi-physics turbulent flow with applications in aerodynamics
(CIMNE, 2015)
Text en actes de congrés
Accés obertThe error magnitude and the order of accuracy of a new unsteady Variational MultiScale (VMS) solver are examined. Indeed, while vast majority of industrial simulations today are restricted to only computing a statistical ... -
Adaptive methods for efficient sampling in molecular dynamic simulations
(CIMNE, 2015)
Text en actes de congrés
Accés obertI will present some numerical challenges raised by the simulation of materials at the atomistic level. One of the main difficulties is related to a timescale problem: at the molecular level, the typical timescale is much ... -
Adaptive modeling and numerical approximation for a simple example of multiscale hyperbolic relaxation system
(CIMNE, 2015)
Text en actes de congrés
Accés obertThe present work considers the mathematical and numerical analysis of a new adaptive goal-oriented strategy based on local hpm discontinuous Galerkin (DG) method (h for grid, p for accuracy of shape function and m ... -
Adaptive remeshing for industrial unsteady CFD
(CIMNE, 2015)
Text en actes de congrés
Accés obertFLUSEPA is an advanced simulation tool which performs a large panel of aerodynamicstudies. It is the unstructured finite-volume solver developed by Airbus Defence& Space tocalculate compressible, multidimensional, unsteady, ... -
Adaptive response surface approximation method for bayesian inference
(CIMNE, 2015)
Text en actes de congrés
Accés obertThe need for surrogate models and adaptive methods can be best appreciated if one is interested in parameter estimation using a Bayesian calibration procedure for validation purposes [1,2]. We extend our work on error ... -
Adaptive space time finite element methods for dynamic nonlinear thermomechanical coupled problems
(CIMNE, 2015)
Text en actes de congrés
Accés obertIn this contribution, we consider nonlinear thermomechanical coupled problems of the following type: Find a displacement field and a temperature distribution, which fulfil the equation of motion with a temperature ... -
Adaptive strategies for viscous simulations
(CIMNE, 2015)
Text en actes de congrés
Accés obertCapturing accurately the whole flow field around a complex geometry remains a challenge for viscous turbulent simulations. The use of quasi-structured boundary layer meshes is required in near-wall regions because of the ... -
Additive manufacturing of a topology optimized lightweight part of a humanoid robot
(CIMNE, 2019)
Text en actes de congrés
Accés obertDue to its high design freedom and flexibility, Additive Manufacturing is often used as an alternative to the conventional manufacturing. In order to be competitive, as many advantages of additive manufacturing as possible ... -
Adomian decomposition method in free vibration of stepped beam with restraint edges and resting on Winkler foundation
(CIMNE, 2015)
Text en actes de congrés
Accés obertThis work deals with free transverse vibration characteristics of an Euler-Bernoulli stepped beam resting on Winkler foundation. The ends of beam are elastically restrained against translation and rotation. A semi-analytical ... -
An adaptive inexact Uzawa algorithm based on polynomial-degree-robust a posteriori estimates for the Stokes problem
(CIMNE, 2015)
Text en actes de congrés
Accés obertIn this paper, we are interested in designing an adaptive version of the inexact Uzawa algorithm [4] applied to the linear Stokes problem solved by the finite element method. We present an a posteriori error estimate ... -
An adaptive scheme for homogenised domains
(CIMNE, 2015)
Text en actes de congrés
Accés obertIn this paper, we extend the concept of modelling error estimation for the homogenisation of ellipticPDEs. In order to do so, we fully acknowledge that the rapid spatial variation of microscopicdiffusion constants cannot ... -
An efficient approach based on geometrical analysis to optimize AM process
(CIMNE, 2019)
Text en actes de congrés
Accés obertNew methodologies of Design for Additive Manufacturing (DFAM) and relative CAx tools are the key enabling technologies allowing to get the major benefits from AM. It is evident that an increased integration of all CAx ... -
Analysis of power management techniques for the santos neuromorphic SoC
(Universitat Politècnica de Catalunya, 2016-03-29)
Treball Final de Grau
Accés restringit per acord de confidencialitat
Realitzat a/amb: Technische Universität Dresden -
Analyzing factors of GUI simulation as learning media toward students' learning outcomes
(OmniaScience, 2022-04)
Article
Accés obertThe use of simulation tools has been widely used to learn something. Simulation tools have the advantage of imitating a process similar to the actual situation. But there are only a few researches that examine the students' ... -
Análisis 3D del proyecto de un edificio plurifamiliar entre medianeras en Barcelona
(Universitat Politècnica de Catalunya, 2013-12)
Treball Final de Grau
Accés obertEl presente proyecto final de grado que se desarrolla a continuación consiste en el análisis del proyecto de un edificio plurifamiliar entre medianeras en Barcelona. Este edificio fue construido el año 2003 impulsado por ... -
Anisotropic error estimates for adapted dynamic meshes
(CIMNE, 2015)
Text en actes de congrés
Accés obertThe simulation of real-life problems, with complex moving geometries evolving in unsteady flows in three dimensions, still remains a challenge. To reduce the CPU time of these simulations while preserving their accuracy, ... -
Anisotropic mesh adaptation for brittle fractures applied to a generalized Ambrosio-Tortorelli model
(CIMNE, 2015)
Text en actes de congrés
Accés obertThe Francfort-Marigo model of quasi-static brittle fracture [1] is a very accurate model, but requires minimizing a highly irregular energy functional. However, this functional can be approximated by a suitable regularization, ... -
Application of an automatic h-adaptive refinement algorithm in a second order immersed boundary code
(CIMNE, 2015)
Text en actes de congrés
Accés obertAn automatic adaptive refinement algorithm is an important technique to reduce the computation time while increasing the local accuracy of the numerical simulation. For this goal, the Residual Least Squares (RLS) error ... -
Automatic geometric transformations over the input domain to produce abetter mesh with an Octree-based technique.
(CIMNE, 2015)
Text en actes de congrés
Accés obertThe Octree [1] technique is one of the most popular methods to produce hex-dominantmeshes. It starts by computing the Bounding Box (Bbox) of the input domain; anhexahedron that will define the root Octant. Then, this Octant ... -
Automatic patient specific simulation of trabecular bone by using h-adapted meshes with cartesian grid finite element method
(CIMNE, 2015)
Text en actes de congrés
Accés obertIn this paper we presenta methodology to performelasticity analyses of trabecular bone fromhuman wrist micro CT scans, with the final purpose of providing datawhich can be used, together with other measures, to develop new ...