Publications

Journal Articles

PREPRINTS

Stabilized material point methods for coupled large deformation and fluid flow in porous materials.
Y. Zhao and J. Choo. Submitted. arXiv:1905.00671

Stabilized mixed continuous/enriched Galerkin formulations for locally mass conservative poromechanics.
J. Choo. Submitted.

2019

On the preferential flow patterns induced by transverse isotropy and non-Darcy flow in double porosity media.
Q. Zhang, J. Choo, and R.I. Borja. Computer Methods in Applied Mechanics and Engineering, Accepted.

2018

Mohr–Coulomb plasticity for sands incorporating density effects without parameter calibration.
J. Choo. International Journal for Numerical and Analytical Methods in Geomechanics, 42(18), 2193–2206, 2018.

Large deformation poromechanics with local mass conservation: An enriched Galerkin finite element framework.
J. Choo. International Journal for Numerical Methods in Engineering, 116(1), 66–90, 2018.

Enriched Galerkin finite elements for coupled poromechanics with local mass conservation.
J. Choo and S. Lee. Computer Methods in Applied Mechanics and Engineering, 341, 311–332, 2018.

Liquid CO2 fracturing: Effect of fluid permeation on the breakdown pressure and cracking behavior.
S.J. Ha, J. Choo, and T.S. Yun. Rock Mechanics and Rock Engineering, 51(11), 3407–3420, 2018.

Cracking and damage from crystallization in pores: Coupled chemo-hydro-mechanics and phase-field modeling. 
J. Choo and W. Sun. Computer Methods in Applied Mechanics and Engineering, 335, 347–379, 2018.

Coupled phase-field and plasticity modeling of geological materials: From brittle fracture to ductile flow
J. Choo and W. Sun. Computer Methods in Applied Mechanics and Engineering, 330, 1–32, 2018.

2017

Mixed Arlequin method for multiscale poromechanics problems. 
W. Sun, Z. Cai, and J. Choo. International Journal for Numerical Methods in Engineering, 111(7), 624–659, 2017.

2016

Cam-Clay plasticity, Part VIII: A constitutive framework for porous materials with evolving internal structure. 
R.I. Borja and J. Choo. Computer Methods in Applied Mechanics and Engineering, 309, 653–679, 2016.

Hydromechanical modeling of unsaturated flow in double porosity media. 
J. Choo, J.A. White, and R.I. Borja. International Journal of Geomechanics, 16(6), D4016002, 2016.

2015

Stabilized mixed finite elements for deformable porous media with double porosity. 
J. Choo and R.I. Borja. Computer Methods in Applied Mechanics and Engineering, 293, 131–154, 2015.

Numerical investigation of the at-rest earth pressure coefficient of granular materials. 
T.S. Yun, J. Lee, J. Lee, and J. Choo. Granular Matter, 17(4), 413–418, 2015.

2013 & Earlier

Effect of pre-shear stress path on nonlinear shear stiffness degradation of cohesive soils. 
J. Choo, Y.-H. Jung, W. Cho, and C.-K. Chung. Geotechnical Testing Journal, 36(2), 198–205, 2013.

Evolution of pore characteristics in the 3D numerical direct shear test. 
D.H. Kang, J. Choo, and T.S. Yun. Computers and Geotechnics, 49, 53–61, 2013.

Stress-induced evolution of anisotropic thermal conductivity of dry granular materials. 
J. Choo, Y.J. Kim, J.H. Lee, T.S. Yun, J. Lee, and Y.S. Kim. Acta Geotechnica, 8(1), 91–106, 2013.

Patterns of nonlinear shear stiffness degradation of reconstituted clay with different stress histories. 
Y.-H. Jung, J. Choo, W. Cho, and C.-K. Chung. Marine Georesources and Geotechnology, 31(4), 309–331, 2013.

Quantifying the distribution of paste-void spacing of hardened cement paste using X-ray computed tomography. 
T.S. Yun, K.Y. Kim, J. Choo, and D.H. Kang. Materials Characterization, 73, 137–143, 2012.

Determination of air-void parameters of hardened cement-based materials using X-ray computed tomography. 
K.Y. Kim., T.S. Yun, J. Choo, D.H. Kang, and H.S. Shin. Construction and Building Materials, 37, 93–101, 2012.

Effect of directional stress history on anisotropy of initial stiffness of cohesive soils measured by bender element tests. 
J. Choo, Y.-H. Jung, and C.-K. Chung. Soils and Foundations, 51(4), 737–747, 2011.

Book Chapter

Rock moisture dynamics, preferential flow, and the stability of hillside slopes. 
R.I. Borja, J. Choo, and J.A. White. Chapter 20 in Multi-hazard Approaches to Civil Infrastructure Engineering, P. Gardoni and J. M. LaFave (eds.), Springer, 2016.

Theses

Hydromechanical Modeling Framework for Multiscale Porous Materials. 
J. Choo. PhD Dissertation, Stanford University, 2016.

Effect of Stress History on the Small-Strain Behavior of Clays.
J. Choo. MS Thesis, Seoul National University, 2009.