Shuitao Gu
Chongqing University
PhysicsElasticity (physics)Mathematical analysisVelocity gradientCantileverBernoulli's principleBeam (structure)Timoshenko beam theoryMaterials scienceSurface energyVibrationStiffnessIsogeometric analysisApplied mathematicsCouple stressSurface elasticityPolygon meshMaterial propertiesSmoothingComputer scienceFracture (geology)Displacement (vector)MechanicsFunction (mathematics)Basis functionEuler's formulaConvergence (routing)Natural frequencyMicrostructure
4Publications
3H-index
26Citations
Publications 5
Newest
Abstract null null In this paper, we present an efficient and accurate numerical approach for static bending and free vibration analyses of microstructure-dependent Bernoulli-Euler beams. The current approach includes strain gradient, couple stress (rotation gradient) and velocity gradient effects simultaneously through a reformulated strain gradient elasticity, which applies only one material parameter for each gradient effect. Based on the Hamilton’s principle and an Isogeometric Analysis (IGA...
1 CitationsSource
#1Shuohui Yin (XTU: Xiangtan University)H-Index: 18
#2Ning Zhang (XTU: Xiangtan University)
Last. Yu Cong (Université Paris-Saclay)
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Abstract null null This paper aims to develop a variable-node multiscale extended finite element method (V-XFEM) for dynamic fracture analysis of the linearly uncoupled and coupled physical phenomena in a compact formula. The general governing equations for the linearly uncoupled and coupled physical phenomena are presented in a compact form. The local mesh refinement technique for modeling cracks is used to improve the accuracy and efficiency, in which variable-node elements without modifying t...
Source
#1Shuohui Yin (XTU: Xiangtan University)H-Index: 18
#2Yang Deng (XTU: Xiangtan University)H-Index: 2
Last. G. Y. Zhang (SEU: Southeast University)H-Index: 9
view all 5 authors...
Abstract The non-classical Bernoulli-Euler beam model contains a material length scale parameter to account for the microstructure effect on the bulk material and three surface elasticity constants to capture the distinguished material properties on a surface. The present work is dedicated to develop a new effective computational approach for the non-classical Bernoulli-Euler beam model based on the isogeometric analysis (IGA) with high-order continuity basis functions of non-uniform rational B-...
8 CitationsSource
#1Shuohui Yin (XTU: Xiangtan University)H-Index: 18
#2Yang Deng (XTU: Xiangtan University)H-Index: 2
Last. Shuitao Gu (Chongqing University)H-Index: 3
view all 5 authors...
A new isogeometric Timoshenko beam model is developed using a modified couple stress theory (MCST) and a surface elasticity theory. The MCST is wildly used to capture microstructure effects that in...
6 CitationsSource
#1Shuohui Yin (XTU: Xiangtan University)H-Index: 18
#2Tiantang Yu (Hohai University)H-Index: 32
Last. Shuitao Gu (Chongqing University)H-Index: 3
view all 5 authors...
Abstract The main objective of this paper is to develop a novel multiscale approach for simulating static and stationary dynamic crack problems in two-dimensional elastic solids through an extended isogeometric analysis using the Non-Uniform Rational B-Splines (NURBS). This multiscale strategy consists of two techniques that the Nitsche’s method is applied for coupling different length-scales meshes on one hand, and on the other hand, a local enrichment technique is taken to describe the cracks ...
18 CitationsSource