Changwen Mi
Southeast University
Fourier transformOpticsElasticity (physics)Mathematical analysisEquations of motionStrain rateDislocationComposite materialTransverse waveBeam (structure)Plane (geometry)Boundary value problemMaterials scienceCondensed matter physicsStacking faultLayer (electronics)StiffnessIndentationCoatingLinear elasticityPartial dislocationsShear modulusWave propagationFracture mechanicsCrystal twinningPlasticityBucklingSingular integral
3Publications
2H-index
22Citations
Publications 3
Newest
#1G. Y. Zhang (SEU: Southeast University)H-Index: 12
#2Xin-Lin Gao (SMU: Southern Methodist University)H-Index: 42
Last. Changwen Mi (SEU: Southeast University)H-Index: 2
view all 4 authors...
Abstract null null A new non-classical Bernoulli-Euler (B-E) beam model is developed using a simplified micromorphic elasticity theory. This micromorphic theory, which contains 7 independent material constants, is first proposed by simplifying the classical Eringen-Mindlin micromorphic theory for isotropic linear elastic materials, which includes 18 elastic constants. The new B-L beam model is then formulated by applying the simplified micromorphic theory and employing a variational approach bas...
Source
#1Jun Cai (SEU: Southeast University)H-Index: 1
#2Changwen Mi (SEU: Southeast University)H-Index: 2
Last. Chenyi Zheng (SEU: Southeast University)H-Index: 1
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Abstract In this work, molecular dynamics simulation and linear elastic fracture mechanics were employed to analyze the crack-tip behavior of a Mode I crack in nanocrystalline titanium. The effects of crystalline orientation, twin boundary and stacking fault on crack propagation were taken into account. Simulation results demonstrate that the crack-tip behavior and thus the crack propagation mode strongly depend on crystalline orientations and plane defects. Cracks lying on the hexagonal close-p...
Source
#1Jie Yan (SEU: Southeast University)H-Index: 1
#2Changwen Mi (SEU: Southeast University)H-Index: 2
Abstract The general double contact problem of an inhomogeneously coated elastic layer indented against a homogeneous half-plane by a rigid punch is investigated. The problem is solved under the assumptions that the contact at both interfaces is frictionless, the three materials possess different shear modulus, and the shear modulus of the functionally graded coating varies exponentially. By the standard method of Fourier integral transforms, the problem is reduced to a system of singular integr...
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