D. Okumura

发表

Macroscopic out-of-plane auxetic features of a laminated open-cell structure with in-plane negative Poisson’s ratios induced by bridging beam components

K. Suga, H. Tanaka, D. Okumura, 2018, Smart Materials and Structures.

Microscopic symmetric bifurcation condition of cellular solids based on a homogenization theory of finite deformation

N. Ohno, D. Okumura, H. Noguchi, 2002 .

Long-wave in-plane buckling of elastoplastic square honeycombs

Nobutada Ohno, Dai Okumura, N. Ohno, 2006 .

Elastoplastic microscopic bifurcation and post-bifurcation behavior of periodic cellular solids

Nobutada Ohno, Dai Okumura, H. Noguchi, 2004 .

Effect of prestrains on swelling-induced buckling patterns in gel films with a square lattice of holes

N. Ohno, D. Okumura, Takahiro Inagaki, 2015 .

Effect of geometrical imperfections on swelling-induced buckling patterns in gel films with a square lattice of holes

N. Ohno, D. Okumura, T. Kuwayama, 2014 .

Homogenized elastic–viscoplastic behavior of plate-fin structures with two pore pressures

N. Ohno, D. Okumura, K. Narita, 2014 .

Experiments and modeling of the viscoelastic behavior of polymeric gels

Shawn A. Chester, D. Okumura, S. Nadimpalli, 2020, Journal of the Mechanics and Physics of Solids.

Long-Wave In-Plane Buckling of Elastic Square Honeycombs

Nobutada Ohno, Dai Okumura, N. Ohno, 2005 .

GRAIN-SIZE DEPENDENT YIELD BEHAVIOR UNDER LOADING, UNLOADING AND REVERSE LOADING

N. Ohno, D. Okumura, T. Shibata, 2009 .

Homogenization of fin layers in tube-fin structures subjected to compression and bending: Analyses and experiments

N. Ohno, D. Okumura, S. Miyakawa, 2016 .

Homogenized elastic–viscoplastic behavior of anisotropic open-porous bodies with pore pressure

N. Ohno, T. Matsuda, D. Okumura, 2012 .

211 Homogenized Elastic Stiffness of Fin Layer in Tube-Fin Structures : Evaluation and Verification

N. Ohno, D. Okumura, S. Miyakawa, 2013 .

Effects of two scaling exponents on biaxial deformation and mass transport of swollen elastomers

D. Okumura, M. Uchida, M. Mizutani, 2017, International Journal of Mechanical Sciences.

Using two scaling exponents to describe the mechanical properties of swollen elastomers

N. Ohno, D. Okumura, Akifumi Kondo, 2016 .

Effects of Two Scaling Exponents on Swelling-Induced Softening of Elastomers under Equibiaxial and Planar Extensions

D. Okumura, M. Mizutani, 2016 .

Swelling-Induced Buckling Patterns in Gel Films with a Square Lattice of Holes Subjected to In-Plane Uniaxial and Biaxial Pretensions

N. Ohno, D. Okumura, Akira Sasaki, 2015 .

Implicit rule on the elastic function of a swollen polyacrylamide hydrogel.

D. Okumura, M. Uchida, S. Matsubara, 2021, Soft matter.

Higher-Order Stress and Size Effects Due to Self Energy of Geometrically Necessary Dislocations

N. Ohno, D. Okumura, 2007 .

Buckling and postbuckling of etching-induced wiggling in a bilayer structure with intrinsic compressive stress

D. Okumura, Y. Shibutani, J. Sugiura, 2018, International Journal of Mechanical Sciences.

Mechanism of Plastic Deformation in a Magnesium Nanotwinned Structure by Molecular Dynamics Simulations

D. Okumura, Y. Shibutani, Masanari Otsuka, 2018 .

OS0517 Homogenized Elastic Stiffness of Fin Layer in Tube-Fin structures : Verification for bending loading

N. Ohno, D. Okumura, S. Miyakawa, 2014 .

Evaluation of the effects of cross-linking and swelling on the mechanical behaviors of hydrogels using the digital image correlation method.

D. Okumura, M. Uchida, Y. Kaneko, 2019, Soft matter.

Higher-order stress and grain size effects due to self-energy of geometrically necessary dislocations

N. Ohno, D. Okumura, 2007 .

Grain Size Dependence of Yield Stress Due to Strain Energy of Geometrically Necessary Dislocations

N. Ohno, D. Okumura, 2007 .

Higher-Order Stress due to Self Energy of Geometrically Necessary Dislocations

N. Ohno, D. Okumura, 2007 .

Thermo-mechanical cyclic hardening behavior of 304 stainless steel at large temperature ranges: Experiments and simulations

N. Ohno, D. Okumura, Ryohei Yamamoto, 2017, International Journal of Mechanical Sciences.

Thermo-Mechanical Cyclic Plastic Behavior of 304 Stainless Steel at Large Temperature Ranges

N. Ohno, D. Okumura, Ryohei Yamamoto, 2016 .

A homogenization theory of strain gradient single crystal plasticity and its finite element discretization

N. Ohno, D. Okumura, Y. Higashi, 2007 .

Ultimate swelling described by limiting chain extensibility of swollen elastomers

Shawn A. Chester, D. Okumura, 2018, International Journal of Mechanical Sciences.

Resetting scheme for plastic strain range evaluation in cyclic plasticity: Experimental verification

N. Ohno, D. Okumura, T. Hamada, 2019 .

Resetting scheme for plastic strain surface in constitutive modeling of cyclic plasticity

N. Ohno, D. Okumura, Tatsuya Sasaki, 2018 .

Yield and buckling behavior of Kelvin open-cell foams subjected to uniaxial compression

N. Ohno, D. Okumura, Yuji Takahashi, 2010 .

Warpage Variation Analysis of Si/Solder/Cu Layered Plates Subjected to Cyclic Thermal Loading

H. Tanie, N. Ohno, D. Okumura, 2016 .

Modeling of cyclic hardening and evaluation of plastic strain range in the presence of pre-loading and ratcheting

N. Ohno, D. Okumura, H. Nakamoto, 2021 .

Effect of cyclic hardening on stress relaxation in SUS316HTP under creep-fatigue loading at 700ºC: experiments and simulations

N. Ohno, D. Okumura, Tatsuya Sasaki, 2018 .

Implicit iterative finite element scheme for a strain gradient crystal plasticity model based on self-energy of geometrically necessary dislocations

N. Ohno, D. Okumura, K. Kodera, 2012 .

Effects of initial imperfection and mesh resolution on wrinkle and crease analyses

D. Okumura, S. Matsubara, H. Miyoshi, 2021, Transactions of the JSME (in Japanese).

Application of hydroxyapatite thin film as a biosensor

D. Okumura, H. Nishikawa, M. Kusunoki, 2006 .

Long-wave buckling of elastic square honeycombs subject to in-plane biaxial compression

Nobutada Ohno, Dai Okumura, N. Ohno, 2004 .

Plastic size effect analysis of lamellar composites using a discrete dislocation plasticity approach

N. Ohno, K. Yamaguchi, D. Okumura, 2011 .

Bifurcation and deformation during the evolution of periodic patterns on a gel film bonded to a soft substrate

D. Okumura, S. Matsubara, H. Miyoshi, 2021 .

A general expression for linearized properties of swollen elastomers undergoing large deformations

Shawn A. Chester, D. Okumura, Hironori Kawabata, 2020 .

Finite element implementation of Gent-Gent hyperelastic model for swollen elastomers

D. Okumura, H. Miyoshi, Hironori Kawabata, 2020, The Proceedings of Conference of Tokai Branch.

Post-buckling analysis of elastic honeycombs subject to in-plane biaxial compression

Nobutada Ohno, Dai Okumura, H. Noguchi, 2002 .

Self-Wrinkling in Polyacrylamide Hydrogel Bilayers.

D. Okumura, S. Nagashima, S. Matsubara, 2023, Langmuir : the ACS journal of surfaces and colloids.

Grain-Size Dependent Yield Behavior Under Loading, Unloading and Reverse Loading

N. Ohno, D. Okumura, T. Shibata, 2008 .

Development of efficient and accurate analysis method for contact problems in mechanical structures

Eiji Shamoto, Yohei Hashimoto, Dai Okumura, 2016 .

Buckling behavior of Kelvin open-cell foams under [001], [011] and [111] compressive loads

Nobutada Ohno, Dai Okumura, N. Ohno, 2008 .

Mechanical nonreciprocity in a uniform composite material

T. Aida, T. Sasaki, Y. Ishida, 2023, Science.

Diversity of the bifurcations and deformations on films bonded to soft substrates: robustness of the herringbone pattern and its cognate patterns

D. Okumura, S. Nagashima, S. Matsubara, 2021, Journal of the Mechanics and Physics of Solids.

A Homogenization Theory and Its Finite Element Discretization for Nonlocal Crystal Plasticity

N. Ohno, D. Okumura, Y. Higashi, 2005 .