Faculty Profiles - ISHIHARA Daisuke

Papers - ISHIHARA Daisuke

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A consistent projection method for monolithic fluid-structure interaction systems Reviewed

2013.06

Finite Element Analysis Using Hierarchal Decomposition for Interaction of Structural, Fluidic and Electrostatic Fields in MEMS Structural Components Reviewed

ISHIHARA Daisuke, HORIE Tomoyoshi, NIHO Tomoya, BABA Akiyoshi

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A ( The Japan Society of Mechanical Engineers ) 79 ( 804 ) 1291 - 1302 2013.01

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

In this study a finite element analysis using hierarchal decompositions for the interaction of structural, fluidic and electrostatic fields is applied for vibration analyses of a MEMS structural component. The interaction is partitioned into the electrostatic field and the fluid-structure interaction (FSI) using the block Gauss-Seidel method. The FSI is split into the pressure field and the other using a projection method, where the intermediate state variables are used for the splitting without generating computationally expensive Schur complement matrices. The developed finite element analysis is applied for a micro cantilever beam actuated by the step electrostatic force in vacuum and air. It was demonstrated from the comparisons among the numerical and experimental results that the proposed analyses provide the results consistent with the experimental results. It follows from the present results that the numerical analyses taking into account the interaction of the structural, fluidic and electrostatic fields are required for the accurate predictions of the vibration characteristics of the MEMS structural components.

DOI： 10.1299/kikaia.79.1291

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Consistent Projection Method for Fluid-Structure Interaction Reviewed

ISHIHARA Daisuke, HORIE Tomoyoshi

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A ( The Japan Society of Mechanical Engineers ) 79 ( 804 ) 1161 - 1170 2013.01

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

In this study a consistent projection method for the fluid-structure interaction (FSI) was proposed. The intermediate state variables were used to split the monolithic equation system into the equilibrium equations and the pressure Poisson equation (PPE). The incompressibility constraint is asymptotically satisfied by solving the proposed PPE in the iterative solution procedure under the asymptotic agreement of the intermediate velocity with the velocity. Therefore the proposed method is consistent with the monolithic method. The performance of the present method was demonstrated using a channel, which is one of typical test problems, and a flexible wing flapping in the closed fluid domain with the comparable fluid and structural densities.

DOI： 10.1299/kikaia.79.1161

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CiNii Article

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Finite element analysis for interaction problems of structure, fluid and electrostatic field in micro cantilever beams Invited Reviewed

Daisuke Ishihara, Tomoyoshi Horie, Tomoya Niho, Akiyoshi Baba

Proceedings of KSME-JSME Joint Symposium on CM & CAE 2012 255 - 260 2012.09

Evaluation using dynamically scaled experiment of dipteran passive pitching motion caused by fluid-structure interaction Reviewed

Ishihara D., Yoshida S., Shimura T., Horie T., Niho T.

Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B 78 ( 786 ) 300 - 310 2012.02

MEMSにおける構造‐流体‐静電界連成現象の汎用連成シミュレーション手法の開発 Invited

石原大輔,馬場昭好

財団法人カシオ科学振興財団平成２２年度年報 2 - 80-81 2010.08

A Three-Dimensional Computational Study on the Fluid-Structure Interaction Cause of Wing Pitch Changes in Insect Flapping Flight Reviewed

Daisuke Ishihara,Tomoyoshi Horie,Tomoya Niho

Proceedings of the 9th World Congress on Computational Mechanics and 4th Asian Pacific Congress on Computational Mechanics 27 - 28 2010.07

Parallel Monolithic Approach for Shell-Fluid Interaction Analysis of Flapping Flexible Wing Invited Reviewed

Daisuke Ishihara,Tomoyoshi Horie,Tomoya Niho

Proceedings of 4th Korea-Japan COSEIK-JSCES Workshop on Computational Engineering 26 - 27 2010.05

A Study on the Passive Pitching and Lift Generation in Crane-Fly's Flight(Fluids Engineering) Reviewed

ISHIHARA Daisuke, YAMASHITA Yu, HORIE Tomoyoshi, NIHO Tomoya

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B ( The Japan Society of Mechanical Engineers ) 76 ( 764 ) 601 - 607 2010.04

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

In this study, we evaluated the lift force generated by the crane-fly's flapping wing with the passive pitching using the dynamically scaled model. Since the wing and the surrounding fluid interact with each other, the dynamic similarity between the model and actual crane-fly flights was measured using not only the Reynolds and Strouhal numbers but also the mass and Cauchy numbers. Although there existed the difference between the mass number due to the constant acceleration of the gravity, but the lift coefficient simulated by our model indicated that the flapping wing with the passive pitching produces the enough lift force to support the crane-fly's weight.

DOI： 10.1299/kikaib.76.764_601

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CiNii Article

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Finite Element Analysis for Coupled Problems of Structure, Fluid and Electrostatic Field in Micro Cantilever Beam Invited Reviewed

Daisuke Ishihara,Tomoyoshi Horie,Tomoya Niho,Akiyoshi Baba

2nd International Workshops on Advances in Computational Mechanics 1 - 121 2010.03

Passive maintenance of high angle of attack and its lift generation during flapping translation in crane fly wing Reviewed

Ishihara D., Yamashita Y., Horie T., Yoshida S., Niho T.

Journal of Experimental Biology 212 ( 23 ) 3882 - 3891 2009.12

A two-dimensional computational study on the fluid-structure interaction cause of wing pitch changes in dipteran flapping flight Reviewed

Ishihara D., Horie T., Denda M.

Journal of Experimental Biology 212 ( 1 ) 1 - 10 2009.01

Incremental formulation of pressure based method for fluid-rigid body interaction using intermediate variable and its verification Reviewed

Ishihara D., Matsumoto J.

Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B 74 ( 12 ) 2419 - 2425 2008.12

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

In this paper, an incremental formulation of pressure based method for fluid-rigid body interaction using intermediate variable is presented. The present method is based on the method proposed by Matsumoto and Kawahara in previous studies. In their method, the pressure Poisson equation equivalent to the incompressibility constraint is derived by using the intermediate fluid velocity and the approximation of enough small error between the intermediate fluid velocity and the fluid velocity. In the present method, all terms appear in the coupled equation system are evaluated in the same time instant, and unknown variables are solved incrementally by iterative solution procedure in each time step so as to satisfy the coupled equation system defined in the time instant. The present formulation is required when structural nonlinearity such as large deformation should be considered. The present method is applied for the free vibration of a rigid circular cylinder in a quiescent fluid to verify its performance.

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Development of strongly coupled method for interaction of structure, incompressible viscous fluid and electrostatic field (1st report, rigid body approximation of structure) Reviewed

Ishihara D., Kubota A., Horie T., Niho T., Yoshimura S.

Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A 74 ( 8 ) 1068 - 1075 2008.08

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

In this paper, a strongly coupled method for interaction of rigid body, incompressible viscous fluid and electrostatic field is developed. The present method is composed of monolithic and partitioned methods. The former solves structure-fluid interaction and the later solves interaction of electrostatic field and the other fields. The difference between the present method and conventional method is the introduction of the iterative solution procedure in the partitioned method. To demonstrate the fundamental performances of the present method, it is applied to simulate a micro membrane actuated by electrostatic force situated in air. The present result agrees well with the theoretical solution when the displacement of the rigid body is small. We also comfirm that the iterative solution procedure makes the present method to be the strongly coupled method through the numerical example.

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Efficient Parallel Analysis of Shell-fluid Interaction Problem by Using Monolithic Method Based on Consistent Pressure Poisson Equation Invited Reviewed

Daisuke Ishihara,Shigeo Kanei,Shinobu Yoshimura,Tomoyoshi Horie

Journal of Computational Science and Technology 2 ( 1 ) 185 - 196 2008.06

Efficient parallel analysis of shell-fluid interaction problem by monolithic method based on consistent pressure poisson equation Reviewed

Ishihara D., Kanei S., Yoshimura S., Horie T.

Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A 73 ( 1 ) 34 - 41 2007.01

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

In this paper, a parallel monolithic method for shell-fluid interaction based on the consistent Pressure Poisson Equation (PFE) is developed and its parallel computational efficiency is demonstrated. The previous and present studies show that iterative solvers without preconditioning work well to solve the PPE, even though the coefficient matrix of the original linearized coupled equations becomes to be ill-conditioned. As a consequence, combining with the iterative solvers without preconditioning parallelized based on the mesh decomposition, the developed method can archive efficient parallel computation. To demonstrate the performances of the developed method, it is applied to simulate the vibration of an elastic plate situated in the wake of a rectangular cylinder and a flapping elastic wing in fluid.

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Development of monolithic method for shell-fluid interaction based on consistent pressure poisson equation Reviewed

Ishihara D., Kanei S., Horie T.

Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A 72 ( 4 ) 377 - 384 2006.07

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

This paper describes an efficient monolithic method for shell-fluid interaction problems based on the fluid pressure Poisson equation (PPE). The PPE is derived so as to be consistent with the coupled equation system for the shell-fluid interaction. In the proposed method, the fluid pressure is derived implicitly so as to satisfy the incompressibility. constraint and all the other unknown variables except those for the shell are derived explicitly. The coefficient matrix of the PPE is well-conditioned even if the structure is very stiff or heavy compared to the fluid, and even if the ill-conditioned submatrix is generated due to the shell elements. These characteristics are successfully utilized to combine the proposed method with the standard conjugate gradient method. To demonstrate fundamental perfermances of the proposed method, it is applied to evaluate the vibration characteristics of a thin elastic cantilever plate in a quiescent fluid.

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Fluid-structure interaction modeling of insect flight (1st report, investigation of automatic wing rotation and lift force generation by two-dimensional numerical analysis) Reviewed

Ishihara D., Horie T.

Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B 72 ( 6 ) 1410 - 1417 2006.06

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

In this paper, a novel insect flight model based on fluid-structure interaction is proposed. Incorporating the high compliance of the wing base, which is observed in Diptera, the proposed model can express the automatic control of the wing rotation via fluid-structure interaction and can generate the adequate aerodynamic forces for the insect flight. The fluid-structure interaction is simulated by a monolithic method based on the finite element method. The result given by the proposed model is investigated by comparison with experimental results of the dynamically scaled model of the fruit fly given by Dickinson et al.

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高性能演算サーバーによる並列流体構造連成解析 Invited

石原　大輔

九州大学情報基盤センター広報 6 ( 2 ) 43 - 46 2006.04

A monolithic approach for interaction of incompressible viscous fluid and an elastic body based on fluid pressure Poisson equation Reviewed

Ishihara D., Yoshimura S.

International Journal for Numerical Methods in Engineering 64 ( 2 ) 167 - 203 2005.09

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Papers - ISHIHARA Daisuke