Huifeng Hu
Hohai University
Deflection (engineering)Length scalePhysicsMathematical analysisBoundary value problemTimoshenko beam theoryMaterials scienceCurvatureVibrationMicrobeamStiffnessIsogeometric analysisCouple stressSize dependentMaterial propertiesDisplacement (vector)MechanicsBasis functionStructural engineeringNatural frequencyTransient responseShear (geology)
4Publications
4H-index
96Citations
Publications 5
Newest
#1Weihua FangH-Index: 3
#2Huifeng Hu (Hohai University)H-Index: 4
Last. Tinh Quoc Bui (Duy Tan University)H-Index: 57
view all 4 authors...
Abstract null null null In this paper, we present numerical investigations on static bending and null free vibration null behaviors of spatially curved functionally graded (FG) microbeam using isogeometric analysis (IGA). The material properties change continuously along the thickness direction. The small scale effects are captured using the null null modified couple stress null theory while microbeam kinematics are described by Timoshenko beam theory, and the spatially curved microbeam is repre...
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#1Huifeng Hu (Hohai University)H-Index: 4
#2Tiantang Yu (Hohai University)H-Index: 33
Last. Tinh Quoc Bui (TITech: Tokyo Institute of Technology)H-Index: 57
view all 4 authors...
Abstract An effective computational approach that can simultaneously deal with several complexities in geometries, material properties, and size effects is of non-trivial yet important tasks for the design and optimization of device components in micro- and nano-electromechanical systems. This study is devoted to the development of such an effective computational approach, which is formed by integrating the modified couple stress theory into isogeometric analysis framework. The proposed approach...
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#1Huifeng Hu (Hohai University)H-Index: 4
#2Tiantang Yu (Hohai University)H-Index: 33
Last. Tinh Quoc Bui (TITech: Tokyo Institute of Technology)H-Index: 57
view all 4 authors...
Abstract Studies on functionally graded (FG) curved microbeam structures are rather rare in the literature, and we thus present an effective computational approach on the basic combination of isogeometric analysis (IGA) and modified couple stress theory (MCST) for mechanical behavior analysis of such FG curved microbeams. The proposed method can cope with simultaneous complexities in material properties and geometries of the FG curved microbeams. The material properties of microbeams vary contin...
Source
#1Tiantang Yu (Hohai University)H-Index: 33
#2Huifeng Hu (Hohai University)H-Index: 4
Last. Tinh Quoc Bui (TITech: Tokyo Institute of Technology)H-Index: 57
view all 4 authors...
Abstract A novel and effective computational approach within the context of isogeometric analysis (IGA) is developed for analyzing size-dependent mechanical behaviors of functionally graded (FG) microbeams. To capture the size effects, an extension of quasi-3D theory is established to integrate with the modified couple stress theory. The nonuniform rational B-spline (NURBS) basis functions are employed and can directly meet the first-order derivative demand of the quasi-3D theory, where four var...
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#1Tiantang Yu (Hohai University)H-Index: 33
#2Jiankang Zhang (Hohai University)H-Index: 5
Last. Tinh Quoc Bui (TITech: Tokyo Institute of Technology)H-Index: 57
view all 4 authors...
Abstract A two-directional functionally graded microbeam model is developed for natural frequency and mechanical bending analysis by using NURBS–based isogeometric analysis combined with a non-classical quasi-3D beam theory (NCQ3BT). Material parameters of microbeam continuously and smoothly change along thickness and axial directions. The small size effects are seized with the modified couple stress theory. In the NCQ3BT, both normal and shear deformations are considered without the need for th...
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