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Interaction Effects Between Wave and Two Connected Floating Bodies

Gou Ying,Teng Bin,Ning Dezhi

Strategic Study of CAE 2004, Volume 6, Issue 7,   Pages 75-80

Abstract:

In this paper, boundary integral equation method is used to study the hydrodynamic interaction effectsIn order to verify this method, the heave amplitude at the hinged joint and the relative angular deflection

Keywords： boundary integral method     hydrodynamic interaction effects     motion responses    

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Implementation of sinh method in integration space for boundary integrals with near singularity in potential

Guizhong XIE,Dehai ZHANG,Jianming ZHANG,Fannian MENG,Wenliao DU,Xiaoyu WEN

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4,   Pages 412-422 doi: 10.1007/s11465-016-0396-8

Abstract:

As a widely used numerical method, boundary element method (BEM) is efficient for computer aided engineeringHowever, boundary integrals with near singularity need to be calculated accurately and efficiently toedge by solving a cubic equation if the location of the projection point is outside the element, where boundaryA verification test of our method is proposed.Results demonstrate that our method is effective for regularizing the boundary integrals with near singularity

Keywords： computer aided engineering (CAE)     boundary element method (BEM)     near singularity     sinh method     coordinate    

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Comparison of indirect boundary element and finite element methods A case study: Shiraz-Esfahan railway

Amin MANOUCHEHRIAN, Mohammad Fatehi MARJI, Mohsen MOHEBBI

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 385-392 doi: 10.1007/s11709-012-0173-7

Abstract: Recently, various numerical methods such as finite element method (FEM), discrete element method (DEM), finite difference method (FDM) and boundary element method (BEM) have been used extremely in geosciencesThis paper suggests the implementation of the indirect boundary element method (IBEM) as a formulationTo validate the results, they were compared with FEM results as a commonly used numerical method.In rock mechanics, for problems with a low ratio of boundary surface to volume, FEM is not very well

Keywords： indirect boundary element method     finite element method     displacement     tunnel     case study    

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Acoustic analysis of lightweight auto-body based on finite element method and boundary element method

LIANG Xinhua, ZHU Ping, LIN Zhongqin, ZHANG Yan

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 99-103 doi: 10.1007/s11465-007-0017-7

Abstract: lightweight automotive prototype using alternative materials and gauge thickness is studied by a numerical method150 Hz, the frequency response function (FRF) of the body structure is calculated by a finite element methodThe pressure response of the interior acoustic domain is solved by a boundary element method (BEM).

Keywords： harshness     automotive prototype     structural optimization     vibration     efficient    

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Scaled boundary finite element method with exact defining curves for two-dimensional linear multi-field

Jaroon RUNGAMORNRAT, Chung Nguyen VAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 201-214 doi: 10.1007/s11709-018-0488-0

Abstract: This paper presents an efficient and accurate numerical technique based upon the scaled boundary finiteelement method for the analysis of two-dimensional, linear, second-order, boundary value problems withThe scaled boundary finite element formulation is established in a general framework allowing single-fieldand multi-field problems, bounded and unbounded bodies, distributed body source, and general boundary

Keywords： multi-field problems     defining curve     exact geometry     general boundary conditions     SBFEM    

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A new meshless approach for bending analysis of thin plates with arbitrary shapes and boundary conditions

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 75-85 doi: 10.1007/s11709-021-0798-5

Abstract: integration is needed, while the unknown coefficients of deflection expression could be determined through boundaryconditions by using a collocation point method.and accuracy of the approach are shown through numerical results of plates with arbitrary shapes and boundary

Keywords： plate     bending     meshless method     collocation    

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Study of an artificial boundary condition based on the damping-solvent extraction method

Qiang XU, Jianyun CHEN, Jing LI, Mingming WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 281-287 doi: 10.1007/s11709-012-0167-5

Abstract: A new artificial boundary condition for time domain analysis of a structure-unlimited-foundation systemThe boundary condition was based on the damping-solvent extraction method.The principle of the damping-solvent extraction method was described.Compared with the damping-solvent extraction method, this boundary condition is easier to be appliedto finite element method (FEM)-based numerical calculations.

Keywords： damping-solvent extraction method     structure-unlimited-foundation system     spring-damper system     artificialdamping limited region     finite element method    

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Numerical study and control method of interaction of nucleation and boundary layer separation in condensing

Liansuo AN , Zhi WANG , Zhonghe HAN ,

Frontiers in Energy 2009, Volume 3, Issue 3,   Pages 254-261 doi: 10.1007/s11708-009-0047-4

Abstract: Stokes viscous flow solution procedure and the process of condensation was calculated by the quadrature methodResults were presented for viscous and inviscous flow, showing the influence of boundary layer separationFurthermore, the impact of boundary layer separation and wake vortices on velocity profiles and its implicationsA method for controlling homogeneous nucleation and for reducing degree of flow separation in high-speedThe numerical study provides a practical design method for turbine blade to reduce wetness losses.

Keywords： wet steam     two-phase flow     spontaneous condensation     numerical simulation     flow separation     profile loss    

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Improved numerical method for time domain dynamic structure-foundation interaction analysis based onscaled boundary finite element method

DU Jianguo, LIN Gao

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 336-342 doi: 10.1007/s11709-008-0054-2

Abstract: Based on the reduced set of base function in scaled boundary finite element method (SBFEM), an improvedstructure-foundation interface were reduced and the associated computation for the calculation of convolution integral

Keywords： structure-foundation interface     computational efficiency     different     suitable     numerical approach    

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Dynamic characteristics analysis of active constrained layer damping plate with various boundary conditions

Jing LU, Yu XIANG, Qiao NI

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 449-455 doi: 10.1007/s11465-011-0240-0

Abstract: differential equation of an active constrained layer damping (ACLD) plate was derived for the simply supported boundaryThen, this method was expanded to the ACLD plate with cantilever boundary condition by virtue of geometricanalogy method.the extended homogeneous capacity precision integration approach, a high precision semi-analytical methodwas proposed to analyze the dynamic characteristics of the ACLD plate with various boundary conditions

Keywords： active constrained layer damping (ACLD) plate     dynamic characteristics     semi-analytical method     extended    

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non-conforming crack front elements of quadrilateral and triangular types for 3D crack problems using the boundaryelement method

Guizhong XIE, Fenglin ZHOU, Hao LI, Xiaoyu WEN, Fannian MENG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 332-341 doi: 10.1007/s11465-019-0540-3

Abstract: non-conforming crack front elements of quadrilateral and triangular types for 3D crack problems when the dual boundaryelement method is applied.

Keywords： Taylor expansion     crack front elements     stress intensity factors     dual boundary element method    

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Explicit finite element method for calculation and analysis to the elasto-plastic dynamic response of

LI Liang, DU Xiuli, LI Liyun, ZHAO Chenggang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 436-442 doi: 10.1007/s11709-007-0059-2

Abstract: At last, the time discretization of this formula is carried out with the integral method which consistsof central difference method and Newmark constant average acceleration method to get the explicit timeintegral formula for solving the wave propagation equations of porous media.On the basis of the integral formula mentioned above, the time-domain explicit finite element methodIn this method, the decoupling technique is adopted and it does not need to solve simultaneous linear

Keywords： discretization     computational     calculation     integral     requirement    

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Ribbed strip rolling by three-dimensional finite element method combining extremely thin array of elements

Zhengyi JIANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 52-60 doi: 10.1007/s11465-009-0087-9

Abstract: The formulation of the finite element modelling by adding a rib inclined contact surface boundary conditionis derived, and the performance of the proposed method is conducted.

Keywords： rib inclined contact boundary condition     ribbed strip     extremely thin elements     pulling down of rib height    

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Chemically reactive solute transfer in a boundary layer slip flow along a stretching cylinder

Swati Mukhopadhyay

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 385-391 doi: 10.1007/s11705-011-1101-4

Abstract: the distribution of a solute undergoing a first order chemical reaction in an axisymmetric laminar boundaryVelocity slip condition at the boundary is used instead of no-slip condition.Numerical solutions of these equations are obtained by the shooting method.

Keywords： boundary layer     stretching cylinder     partial slip     mass transfer     similarity solution    

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Enhanced solution to the surface–volume–surface EFIE for arbitrary metal–dielectric composite objects Research Article

Han WANG, Mingjie PANG, Hai LIN

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 7,   Pages 1098-1109 doi: 10.1631/FITEE.2100387

Abstract: three-region metal–dielectric composite scatters was presented, and the two-stage process resulted in two integralNumerical results demonstrate that the proposed method requires only 11.6% memory and 11.8% CPU time

Keywords： Composite object     Integral equation     Method of moments (MoM)     Addition theorem     Iterative method    

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Title Author Date Type Operation

Interaction Effects Between Wave and Two Connected Floating Bodies

Gou Ying,Teng Bin,Ning Dezhi

Journal Article

Implementation of sinh method in integration space for boundary integrals with near singularity in potential

Guizhong XIE,Dehai ZHANG,Jianming ZHANG,Fannian MENG,Wenliao DU,Xiaoyu WEN

Journal Article

Comparison of indirect boundary element and finite element methods A case study: Shiraz-Esfahan railway

Amin MANOUCHEHRIAN, Mohammad Fatehi MARJI, Mohsen MOHEBBI

Journal Article

Acoustic analysis of lightweight auto-body based on finite element method and boundary element method

LIANG Xinhua, ZHU Ping, LIN Zhongqin, ZHANG Yan

Journal Article

Scaled boundary finite element method with exact defining curves for two-dimensional linear multi-field

Jaroon RUNGAMORNRAT, Chung Nguyen VAN

Journal Article

A new meshless approach for bending analysis of thin plates with arbitrary shapes and boundary conditions

Journal Article

Study of an artificial boundary condition based on the damping-solvent extraction method

Qiang XU, Jianyun CHEN, Jing LI, Mingming WANG

Journal Article

Numerical study and control method of interaction of nucleation and boundary layer separation in condensing

Liansuo AN , Zhi WANG , Zhonghe HAN ,

Journal Article

Improved numerical method for time domain dynamic structure-foundation interaction analysis based onscaled boundary finite element method

DU Jianguo, LIN Gao

Journal Article

Dynamic characteristics analysis of active constrained layer damping plate with various boundary conditions

Jing LU, Yu XIANG, Qiao NI

Journal Article

non-conforming crack front elements of quadrilateral and triangular types for 3D crack problems using the boundaryelement method

Guizhong XIE, Fenglin ZHOU, Hao LI, Xiaoyu WEN, Fannian MENG

Journal Article

Explicit finite element method for calculation and analysis to the elasto-plastic dynamic response of

LI Liang, DU Xiuli, LI Liyun, ZHAO Chenggang

Journal Article

Ribbed strip rolling by three-dimensional finite element method combining extremely thin array of elements

Zhengyi JIANG,

Journal Article

Chemically reactive solute transfer in a boundary layer slip flow along a stretching cylinder

Swati Mukhopadhyay

Journal Article

Enhanced solution to the surface–volume–surface EFIE for arbitrary metal–dielectric composite objects

Han WANG, Mingjie PANG, Hai LIN

Journal Article