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61
Adaptive phase field modelling of crack propagation in orthotropic functionally graded materials
Published 2020“…A recovery type error indicator combined with quadtree decomposition is employed for adaptive mesh refinement. The proposed approach is capable of capturing the fracture process with a localized mesh refinement that provides notable gains in computational efficiency. …”
Journal article -
62
Computational investigation of the effects of piston geometry on the combustion evolution in a light duty HSDI engine
Published 2017“…Closed cycle computational fluid dynamics simulations are performed on a sector mesh at various load points using the 3 Zones Extended Coherent Flame Model coupled with adaptive mesh refinement. The computational fluid dynamics model is validated experimentally at the baseline conditions at each test point after-which, parametric sweeps of bowl geometry, exhaust gas recirculation rate and nozzle tip protrusion are conducted. …”
Conference item -
63
A detailed study of feedback from a massive star
Published 2015“…The system is simulated in 3D using RAMSES-RT, an Adaptive Mesh Refinement Radiation Hydrodynamics code. We find that stellar winds have a negligible impact on the system owing to their relatively low luminosity compared to the other processes. …”
Journal article -
64
Formation and Evolution of Cellular Structures in Wedge-Induced Oblique Detonations
Published 2023-01-01“…The compressible reactive Euler equations are solved using the seventh-order WENO scheme on an adaptive mesh based on the open source program Adaptive Mesh Refinement in Object-oriented C++ (AMROC). The numerical results show that there are two sets of transverse waves, the left-running transverse waves (LRTW) and the right-running transverse waves (RRTW), which form the oblique cellular detonation structure. …”
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65
MOSS: multiple orthogonal strand system
Published 2016“…This paper describes an overset approach that comprised virtual boundary-layer-like near-body grid coupled with an off-body adaptive mesh refinement far-field mesh for viscous fluids simulations. …”
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66
The use of adaptive finite-element limit analysis to reveal slip-line fields
Published 2011“…A simple but effective strategy for adaptive mesh refinement is a key feature of the process; it allows the layout of plastic regions, rigid regions and velocity discontinuities to be determined by inspection of the FELA mesh. …”
Journal article -
67
A multiscale Eulerian–Lagrangian cavitating flow solver in OpenFOAM
Published 2023-02-01“…The growing and collapsing of discrete bubbles are solved using the Rayleigh–Plesset equation or the simplified Rayleigh–Plesset equation, and the adaptive mesh refinement is also available. Simulation tests of different cavitation conditions demonstrate the accuracy of the solver.…”
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68
AN ASSESSMENT OF UNSTRUCTURED GRID FINITE VOLUME SCHEMES FOR COLD GAS HYPERSONIC FLOW CALCULATIONS. doi: 10.5028/jatm.2009.0102135152
Published 2011-07-01“…These methods are implemented in an efficient, edge-based, unstructured grid procedure which allows for adaptive mesh refinement based on flow property gradients. …”
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Article -
69
Investigation on High-Viscosity Chemical Waste Liquid Atomizer Based on VOF-DPM
Published 2023-03-01“…Compared with the traditional atomization simulation method, the Volume-of-Fluid to Discrete-Phase-Model (VOF-DPM) bi-directional coupling model and Adaptive Mesh Refinement (AMR) technology can save mesh and improve the computational efficiency. …”
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Article -
70
Investigations of the Atomization Characteristics and Mechanisms of Liquid Jets in Supersonic Crossflow
Published 2023-11-01“…Large eddy simulation (LES), the coupled level-set and volume of fluid (CLSVOF) method, and an adaptive mesh refinement (AMR) framework are used to simulate supersonic LJICs in this article. …”
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Article -
71
A Practical Model for Selecting Nonwoven Cover Date Bunch via Finite Element Analysis Using COMSOL Multiphysics
Published 2022-11-01“…The study also intended to use finite element method and adaptive mesh refinement technique to increase the accuracy of the solution and create model for efficient simulation of heat exchange in nonwoven bag. …”
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Article -
72
Pure: Evolving Message Passing To Better Leverage Shared Memory Within Nodes
Published 2024“…We use microbenchmarks to evaluate Pure's key messaging and collective features and also show application speedups up to 2.1× on the CoMD molecular dynamics and the miniAMR adaptive mesh refinement applications scaling up to 4,096 cores.…”
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73
Limit analysis of the undrained bearing capacity of offshore pipelines
Published 2012“…All calculations are performed using the finite-element limit analysis code OxLim, which uses adaptive mesh refinement to compute tightly bracketed lower- and upper-bound plasticity solutions. …”
Journal article -
74
Fragmentation of colliding liquid rims
Published 2024“…Interfacial perturbations with a truncated white noise frequency profile are introduced to the rims before their collision, whose subsequent morphological development is simulated by solving the two-phase incompressible Navier-Stokes equation with the adaptive mesh refinement (AMR) technique, within the Basilisk software environment. …”
Journal article -
75
Undrained bearing capacity of circular footings on Tresca soil using adaptive finite element analysis
Published 2014“…The accuracy of bearing capacity calculations performed using finite element analysis is also sensitive to the size and distribution of the elements used to discretise the soil. An adaptive mesh refinement scheme has been developed that automatically refines the mesh based on the local intensity of plastic shear strain at failure. …”
Conference item -
76
Intrinsic alignments of galaxies in the Horizon-AGN cosmological hydrodynamical simulation
Published 2015“…In this work, we study the alignment of galaxy shapes and spins at low redshift ($z\sim 0.5$) in Horizon-AGN, an adaptive-mesh-refinement hydrodynamical cosmological simulation box of 100 Mpc/h a side with AGN feedback implementation. …”
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77
BYCFoam: An Improved Solver for Rotating Detonation Engines Based on OpenFOAM
Published 2024-02-01“…It is based on the standard compressible flow solver rhoCentralFoam in OpenFOAM and incorporates several enhancements: improved reconstruction variables and flux schemes; detailed chemistry and transport properties; the utilization of an adaptive mesh refinement (AMR) and dynamic load balancing (DLB). …”
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78
Some approximation methods for Bayesian inversion of electrical impedance tomography
Published 2024“…The set of interpolating nodes is chosen adaptively based on the importance of parameters. 2) We use a multi-level MCMC algorithm to approximate the posterior expectation. 3) We approximate the posterior distribution using adaptive mesh refinement to solve forward PDEs.…”
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Thesis-Doctor of Philosophy -
79
Speeding up the simulation of population spread models
Published 2017“…We developed and implemented a novel algorithm for the simulation of integro-difference equations (IDEs) modelling population spread, including stage-structure, which uses adaptive mesh refinement.</p> <p>3. We measured the accuracy of the adaptive algorithm, by comparing the results of simulations using the adaptive and a standard non-adaptive algorithm. …”
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80
Evolution of magnetic fields and cosmic ray acceleration in supernova remnants
Published 2009“…This could create a preferred radial polarization of the magnetic field. With an Adaptive Mesh Refinement MHD code (AMRVAC), we simulate the evolution of SNRs with three different configurations of the initial CSM magnetic field, and look at two different equations of state in order to look at the possible influence of a CR plasma component. …”
Journal article