Search Results - "Brito Willmersdorf, Ramiro"
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1
Gradient-free strategies to robust well control optimization
Published in Computational geosciences (01-12-2020)“…In this work, the well control optimization of the Olympus challenge is solved by two non-intrusive strategies that use the simulator as a black box. This…”
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2
Comparative Finite Element Analysis of the Biomechanical Stability of 2.0 Fixation Plates in Atrophic Mandibular Fractures
Published in Journal of oral and maxillofacial surgery (01-02-2013)“…Purpose The objective of the present study was to conduct a computational, laboratory-based comparison of the biomechanical stability of 2.0 fixation locking…”
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3
New procedure of automatic modeling of pipelines with realistic shaped corrosion defects
Published in Engineering structures (15-10-2020)“…[Display omitted] •Development of new procedure to model complex shaped corrosion defects in pipelines using finite elements.•Failure analysis of corroded…”
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4
Reliability-based preventive maintenance planning for corroded pipelines using a RBF surrogate model
Published in Journal of the Brazilian Society of Mechanical Sciences and Engineering (01-12-2021)“…This paper discusses an alternative approach in reliability-based preventive maintenance (RBPM) planning for corroded pipelines. The RBPM strategy can be…”
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5
Refined ensemble-based waterflooding optimization subject to field-wide constraints
Published in Computational geosciences (01-04-2020)“…In this work, we present a modification (refinement) of the ensemble-based method for constrained waterflooding optimization. The problem of determining…”
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6
Robust optimization formulations for waterflooding management under geological uncertainties
Published in Journal of the Brazilian Society of Mechanical Sciences and Engineering (01-11-2019)“…In oil reservoir management, one of the major challenges is the search for the best production plan under geological uncertainties. One way to conduct optimal…”
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7
A parallel DEM approach with memory access optimization using HSFC
Published in Engineering computations (07-11-2016)“…Purpose The purpose of this paper is to present a methodology for parallel simulation that employs the discrete element method (DEM) and improves the cache…”
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8
A hybrid parallel DEM approach with workload balancing based on HSFC
Published in Engineering computations (07-11-2016)“…Purpose The purpose of this paper is to present a methodology of hybrid parallelization applied to the discrete element method that combines message-passing…”
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9
Development of a computational efficient tool for robust structural optimization
Published in Engineering computations (20-04-2015)“…Purpose – Optimization under a deterministic approach generally leads to a final design in which the performance may degrade significantly and/or constraints…”
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10
Some results on the accuracy of an edge-based finite volume formulation for the solution of elliptic problems in non-homogeneous and non-isotropic media
Published in International journal for numerical methods in fluids (30-09-2009)“…The numerical simulation of elliptic type problems in strongly heterogeneous and anisotropic media represents a great challenge from mathematical and numerical…”
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An algebraic multiscale solver for the simulation of two-phase flow in heterogeneous and anisotropic porous media using general unstructured grids (AMS-U)
Published in Applied Mathematical Modelling (01-03-2022)“…•The pressure equation is solved by the Algebraic Multiscale Solver for unstructured meshes (AMS-U).•It extends the original AMS and replaces the classic TPFA…”
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A higher resolution edge-based finite volume method for the simulation of the oil-water displacement in heterogeneous and anisotropic porous media using a modified IMPES method
Published in International journal for numerical methods in fluids (30-12-2016)“…Summary In this article, we present a higher‐order finite volume method with a ‘Modified Implicit Pressure Explicit Saturation’ (MIMPES) formulation to model…”
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13
Non-distance-based localization techniques for ensemble-based waterflooding optimization
Published in Journal of petroleum science & engineering (01-11-2018)“…The problem of determining life-cycle rate controls for both producer and injector wells that maximize the net present value subject to well and field-wide…”
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