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Dive into the research topics where Ryoya Iida is active.

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Featured researches published by Ryoya Iida.


International Journal of Computational Methods | 2018

Accurate Viscoelastic Large Deformation Analysis Using F-Bar Aided Edge-Based Smoothed Finite Element Method for 4-Node Tetrahedral Meshes (F-BarES-FEM-T4)

Yuki Onishi; Ryoya Iida; Kenji Amaya

A state-of-the-art tetrahedral smoothed finite element method, F-barES-FEM-T4, is demonstrated on viscoelastic large deformation problems. The stress relaxation of viscoelastic materials brings nea...


genetic and evolutionary computation conference | 2017

Using desirability functions for many-objective optimization of a hybrid car controller

Yuka Ogino; Ryoya Iida; Tobias Rodemann

In this work we investigated the concept of desirability functions for a many-objective optimization of a hybrid car controller with five objectives from different domains. We study this problem from the perspective of preference expression. Specifically we are looking at the impact of wrongly defined desirabilities and how this can be corrected using a Graphical User Interface (GUI). Overall we find that a desirability-based many-objective optimization approach could be well suited for real-world problems with objectives from many domains as it is becoming more and more common in industrial settings.


International Journal for Numerical Methods in Engineering | 2017

F-bar aided edge-based smoothed finite element method using tetrahedral elements for finite deformation analysisof nearly incompressible solids: F-BARES-FEM-T4 FOR FINITE DEFORMATION NEARLY INCOMPRESSIBLE ANALYSIS

Yuki Onishi; Ryoya Iida; Kenji Amaya


International Journal of Computational Methods | 2018

A Stabilization Method of F-barES-FEM-T4 for Dynamic Explicit Analysis of Nearly Incompressible Materials

Ryoya Iida; Yuki Onishi; Kenji Amaya


The Proceedings of The Computational Mechanics Conference | 2017

Stabilized formulation of F-bar aided edge-based smoothed finite element method with 4-node tetrahedral elements in explicit dynamics

Ryoya Iida; Yuki Onishi; Kenji Amaya


The Proceedings of The Computational Mechanics Conference | 2017

Large deformation analyses of viscoelastic rubber using F-bar aided tetrahedral smoothed finite element method

Yuki Onishi; Ryoya Iida; Kenji Amaya


The 8th International Conference on Computational Methods (ICCM2017) | 2017

Accurate viscoelastic large deformation analysis using F-bar aided edge-based smoothed finite element method for 4-node tetrahedral meshes (F-barES-FEM-T4)

Yuki Onishi; Ryoya Iida; Kenji Amaya


The 8th International Conference on Computational Methods (ICCM2017) | 2017

A stabilization method of F-barES-FEM-T4 for dynamic explicit analysis of nearly incompressible solids

Ryoya Iida; Yuki Onishi; Kenji Amaya


The Proceedings of The Computational Mechanics Conference | 2016

Stability evaluation of F-barES-FEM-T4 on large deformation contact analysis of rubbers

Yuki Onishi; Ryoya Iida; Kenji Amaya


The 7th International Conference on Computational Methods (ICCM2016) | 2016

Keynote: F-bar aided edge-based smoothed finite element methods with 4-node tetrahedral elements for static large deformation hyperelastic and elastoplastic problems

Yuki Onishi; Ryoya Iida; Kenji Amaya

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Kenji Amaya

Tokyo Institute of Technology

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Yuki Onishi

Tokyo Institute of Technology

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Yuka Ogino

Tokyo Institute of Technology

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