Search Results - "Huh, Hoon"
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Extension of a shear-controlled ductile fracture model considering the stress triaxiality and the Lode parameter
Published in International journal of solids and structures (15-01-2013)“…► A fracture model is extended with dependence on triaxiality and Lode. ► Mechanisms of Lode dependence fracture is correlated with shear stress. ► The…”
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New ductile fracture criterion for prediction of fracture forming limit diagrams of sheet metals
Published in International journal of solids and structures (01-12-2012)“…A ductile fracture criterion is newly proposed to model fracture behavior of sheet metals for nucleation, growth and shear coalescence of voids during plastic…”
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Modeling of shear ductile fracture considering a changeable cut-off value for stress triaxiality
Published in International journal of plasticity (01-03-2014)“…•The cut-off value for stress triaxiality is discussed based on experimental observation.•A shear-controlled ductile fracture criterion is proposed with a…”
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Achieving "Massive MIMO" Spectral Efficiency with a Not-so-Large Number of Antennas
Published in IEEE transactions on wireless communications (01-09-2012)“…Time-Division Duplexing (TDD) allows to estimate the downlink channels for an arbitrarily large number of base station antennas from a finite number of…”
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Network MIMO With Linear Zero-Forcing Beamforming: Large System Analysis, Impact of Channel Estimation, and Reduced-Complexity Scheduling
Published in IEEE transactions on information theory (01-05-2012)“…We consider the downlink of a multicell system with multiantenna base stations and single-antenna user terminals, arbitrary base station cooperation clusters,…”
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6
Control of stochastic and inverse stochastic resonances in a liquid-crystal electroconvection system using amplitude and phase noises
Published in Scientific reports (06-10-2023)“…Stochastic and inverse stochastic resonances are counterintuitive phenomena, where noise plays a pivotal role in the dynamics of various biological and…”
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Fracture-based forming limit criteria for anisotropic materials in sheet metal forming
Published in International journal of plasticity (01-09-2017)“…This paper is concerned with modeling of fracture-based forming limit criteria for anisotropic materials in sheet metal forming to predict the sudden fracture…”
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Phase Transition Temperatures of a Nematic Liquid Crystal in the Presence of Noise and DC Fields
Published in Journal of the Physical Society of Japan (15-04-2024)“…Thermal phase transitions from a nematic liquid-crystal phase to an isotropic phase are reported in this study. The phase transition temperature Tc under noise…”
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9
Crushing analysis of polygonal columns and angle elements
Published in International journal of impact engineering (01-04-2010)“…Energy absorption characteristics of regular polygonal columns and angle elements under dynamic axial compression are investigated by using non-linear explicit…”
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10
Multiplicative Noise-Induced Electrohydrodynamic Pattern Formations by Controlling Electric Conductivity
Published in Journal of the Physical Society of Japan (15-02-2016)Get full text
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11
Control of the Orientation of Traveling Waves in AC-Driven Electroconvection by Additional Fields
Published in Journal of the Physical Society of Japan (15-03-2020)Get full text
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Characterization of hardening behaviors of 4130 Steel, OFHC Copper, Ti6Al4V alloy considering ultra-high strain rates and high temperatures
Published in International journal of mechanical sciences (01-10-2017)“…•Hardening behaviors at ultra-high strain rates have been characterized.•A hybrid optimization approach is used to characterize hardening behaviors.•Thermal…”
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13
Effect of strain rate on plastic anisotropy of advanced high strength steel sheets
Published in International journal of plasticity (01-05-2013)“…► We measure r-values at strain rates between 0.001s−1 and 100s−1. ► The r-value varies with the strain rate as well as the yield stress ratio. ► We construct…”
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14
Phase Noise Can Induce Stochastic Resonance?
Published in Journal of the Physical Society of Japan (15-06-2019)“…We investigated stochastic resonance (SR) of ac-driven electroconvection (EC) in nematic liquid crystals by employing the phase noise of the ac field. The…”
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15
Asymmetric Hardening Behavior of AZ31B Magnesium Alloy Sheet with Large Strain at Various Strain Rates
Published in International journal of automotive technology (01-08-2019)“…This paper investigates asymmetric hardening behavior of the magnesium alloy sheet of AZ31B at different strain rates when deformation is large. Tensile tests…”
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Mutations in SEC24D, Encoding a Component of the COPII Machinery, Cause a Syndromic Form of Osteogenesis Imperfecta
Published in American journal of human genetics (05-03-2015)“…As a result of a whole-exome sequencing study, we report three mutant alleles in SEC24D, a gene encoding a component of the COPII complex involved in protein…”
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EVALUATION OF DUCTILE FRACTURE CRITERIA IN A GENERAL THREE-DIMENSIONAL STRESS STATE CONSIDERING THE STRESS TRIAXIALITY AND THE LODE PARAMETER
Published in Acta mechanica solida Sinica (01-12-2013)“…This paper is concerned with evaluation of various ductile fracture criteria in a general three-dimensional stress state of stress triaxiality, the Lode…”
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Optimization of Three-Wheel Vehicle Roof Structures Against Rollover Accidents
Published in International journal of automotive technology (01-08-2020)“…The rollover safety of Three-Wheel Vehicles (TWVs) is critical because of its instability in severe steering, side collisions and flip-over compared to…”
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19
Multiuser MISO Transmitter Optimization for Intercell Interference Mitigation
Published in IEEE transactions on signal processing (01-08-2010)“…The transmitter optimization (i.e., steering vectors and power allocation) for a MISO broadcast channel subject to general linear constraints is considered…”
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Mesenchymal Stem Cells Potentiate the Vasculogenic Capacity of Endothelial Colony-Forming Cells under Hyperglycemic Conditions
Published in Life (Basel, Switzerland) (23-03-2022)“…Many studies have demonstrated a reduced number and vasculogenic capacity of endothelial colony-forming cells (ECFCs) in diabetic patients. However, whether…”
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