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Gun Jin Yun

Researcher at Seoul National University

Publications -  135
Citations -  2366

Gun Jin Yun is an academic researcher from Seoul National University. The author has contributed to research in topics: Finite element method & Structural health monitoring. The author has an hindex of 24, co-authored 119 publications receiving 1779 citations. Previous affiliations of Gun Jin Yun include University of Akron & Washington University in St. Louis.

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Multiscale stochastic computational homogenization of the thermomechanical properties of woven Cf/SiCm composites

TL;DR: In this article, a 3D micro-to-mesoscale stochastic bridging methodology is proposed considering the uncertainties of the constituents' properties and geometries, and a set of two-scale asymptotic computational homogenization formalisms of Cf/SiCm thermomechanical properties are demonstrated.
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Cure-induced residual stress buildup and distortions of CFRP laminates with stochastic thermo-chemical and viscoelastic models: Experimental verifications

TL;DR: In this article, a stochastically coupled thermo-chemical and viscoelastic model was proposed and compared with the cure-induced residual stresses and distortions between various models.
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An improved mode accuracy indicator for Eigensystem Realization Analysis (ERA) techniques

TL;DR: In this article, an improved mode accuracy indicator is presented to more efficiently distinguish physically true modes from computational spurious modes generated by Eigensystem Realization Analysis (ERA) methods, which can better narrow down the choice of true modes than existing indicators and particularly show better consistency for the structure having high damping ratios.
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Coupled SelfSim and genetic programming for non-linear material constitutive modelling

TL;DR: An improved SelfSim is combined with a recent genetic programming technique called linear GP for the inverse extraction of non- linear material behaviour and the results show that the procedure is reliable and can be used to derive and formulate the non-linear constitutive material models with a high degree of accuracy.
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Computationally fast morphological descriptor-based microstructure reconstruction algorithms for particulate composites

TL;DR: In this article, a series of novel algorithms for microstructure reconstruction based on constituent morphologies is proposed, which can generate statistically equivalent representative volume elements (RVE) from shape repository consisting of the actual particles from micro-computed tomography (CT) images.