Dr. Eng., Nagoya University

Computational science, Structural Optimization

Design engineering, Design Engineering

Mechanics of materials and materials, Computational Mechanics

2023
Professor (Full), Institute of Engineering

2021 - 2023
Energy Landscape Architectonics Brain Bank (ELab2), Next Generation Cluster Research Center, interdisciplinary Cluster for Cutting Edge Research, Shinshu University

2019 - 2023
Associate Professor, Institute of Engineering

2014 - 2019
Assistant Professor, Institute of Engineering, Shinshu University

2013 - 2019
Assistant Professor, Department of Environmental Science and Technology, Faculty of Engineering, Shinshu University

2012 - 2013
Assistant Professor, Department of Machine Intelligence and Systems Engineering, Faculty of Systems Science and Technology, Akita Prefectural University

2009 - 2012, Nagoya University, Faculty of Engineering, Department of Mechanical Science and Engineering

2007 - 2009, Nagoya University, Faculty of Engineering, Department of Mechanical Science and Engineering

2003 - 2007, Nagoya University, Faculty of Engineering, Department of Mechanical and Aerospace Engineering

2024
Japan Association for Computational Mechanics, Young Investigator Award

2023
The Young Scientists' Award, The Commendation for Science and Technology by the MEXT

2021
日本機械学会 設計工学・システム部門, Frontier Achievement Award from JSME Design & Systems Division

2017
日本機械学会　設計工学・システム部門　奨励業績表彰

2011
Japan Society for Computational Methods in Engineering, 日本計算数理工学会講演賞

2011
Nagoya University, 名古屋大学　学術奨励賞

Accelerating CMA-ES-based topology optimization through B-spline parameterized level-set method
Kengo Mizukami and Garuda Fujii
Computer Methods in Applied Mechanics and Engineering, 445, 118158, 01 Oct. 2025, Refereed, Not invited
Last, Corresponding

Density-based topology optimization for ITR-free thermal cloaks
Seitaro Kato, Kohei Takejima, Zhiqian Song, and Garuda Fujii*
International Journal of Heat and Mass Transfer, 126834, 27 Feb. 2025, Refereed
Last, Corresponding

CMA-ES-based topology optimization accelerated by spectral level-set-boundary modeling
Shin Tanaka and Garuda Fujii
Computer Methods in Applied Mechanics and Engineering, 432, 117331, 22 Aug. 2024, Refereed
Last, Corresponding

Topology-optimized source shifter for optical location camouflaging
Garuda Fujii*
Optics Express, (accepted), 30 Oct. 2023
Lead, Last, Corresponding

Camouflaging the location of a sound source via topology-optimized source-shifter
Garuda Fujii
Journal of Sound and Vibration, 559, 117768, 05 May 2023, Not invited
Lead, Last, Corresponding

Biphysical undetectable concentrators manipulating both heat flux and direct current via topology optimization
Garuda Fujii
PHYSICAL REVIEW E, 106(6), 065304, 19 Dec. 2022, Refereed
Lead, Last, Corresponding

Experimental demonstration of thermal cloaking metastructures designed by topology optimization
Kazuma Hirasawa, Iona Nakami, Takumi Ooinoue, Tatsunori Asaoka, Garuda Fujii
International Journal of Heat and Mass Transfer, 194, 123093, 15 Sep. 2022, Refereed
Last, Corresponding

Electromagnetic-acoustic biphysical cloak designed through topology optimization
Garuda Fujii* and Youhei Akimoto
Optics Express, 30(4), 6090-6106, 26 Jan. 2022, Refereed, Not invited
Lead, Last, Corresponding

Mechanical unfeelability concentrator through topology optimization
Motoaki Ota and Garuda Fujii*
APPLIED PHYSICS LETTERS, 120(1), 011103, 04 Jan. 2022, Refereed, Not invited
Last, Corresponding

Acoustic cloak designed by topology optimization for acoustic-elastic coupled systems
Garuda Fujii*, Masayuki Takahashi, and Youhei Akimoto
APPLIED PHYSICS LETTERS, 118(10), 101102, 19 Feb. 2021, Refereed

dc electric cloak–concentrator via topology optimization
Garuda Fujii* and Youhei Akimoto
PHYSICAL REVIEW E, 102(3), 033308, 21 Aug. 2020, Refereed

Cloaking a concentrator in thermal conduction via topology optimization
Garuda Fujii* and Youhei Akimoto
International Journal of Heat and Mass Transfer, 159, 120082, 30 Jun. 2020

メタデバイスの機能創発とトポロジー最適化
藤井雅留太
精密工学会誌, 86(6), 395-399, 05 Jun. 2020

Optimizing the structural topology of bifunctional invisible cloak manipulating heat flux and direct current
Garuda Fujii* and Youhei Akimoto
APPLIED PHYSICS LETTERS, 115(17), 174101, 21 Oct. 2019, Refereed

Topology-optimized thermal carpet cloak expressed by an immersed-boundary level-set method via a covariance matrix adaptation evolution strategy
Garuda Fujii* and Youhei Akimoto
International Journal of Heat and Mass Transfer, 137, 1312-1322, 17 Apr. 2019, Refereed

DC carpet cloak designed by topology optimization based on covariance matrix adaptation evolution strategy
Garuda Fujii* and Youhei Akimoto
Optics Letters, 44(8), 2057-2060, 11 Apr. 2019, Refereed

Direct-current electric invisibility through topology optimization
Garuda Fujii*, Youhei Akimoto, and Masayuki Takahashi
JOURNAL OF APPLIED PHYSICS, 123, 233102, 16 Jun. 2018, Refereed

共分散行列適応進化戦略に基づいた音響クロークのトポロジー最適化
高橋 正幸，秋本 洋平，藤井 雅留太*
日本機械学会論文集, 84(859), published online, 23 Feb. 2018, Refereed

Exploring optimal topology of thermal cloaks by CMA-ES
Garuda Fujii*, Youhei Akimoto, and Masayuki Takahashi
APPLIED PHYSICS LETTERS, 112, 061108, 09 Feb. 2018, Refereed

CMA-ES-based structural topology optimization using a level set boundary expression—Application to optical and carpet cloaks
Garuda Fujii*, Masayuki Takahashi, Youhei Akimoto
Computer Methods in Applied Mechanics and Engineering, 332, 624-643, 12 Jan. 2018, Refereed

Topology-optimized carpet cloaks based on a level-set boundary expression
Garuda Fujii* and Tsuyoshi Ueta
PHYSICAL REVIEW E, 94, 043301, 04 Oct. 2016, Refereed

Topology-optimized multiple-disk resonators obtained using level set expression incorporating surface effects
Garuda Fujii*, Tsuyoshi Ueta, Mamoru Mizuno, and Masayuki Nakamura
Optics Express, 23(9), 11312-11326, 22 Apr. 2015, Refereed

Numerical study on the structural color of blue birds by a disordered porous photonic crystal model
Tsuyoshi Ueta, Garuda Fujii, Gen Morimoto, Kiyoshi Miyamoto, Akinori Kosaku, Takeo Kuriyama, Takahiko Hariyama
EUROPHYSICS LETTERS, 107, 34004, 13 Jul. 2014, Refereed

Level set-based topology optimization for anti-reflection surface
Garuda Fujii*, Tsuyoshi Ueta, Mamoru Mizuno
Applied Physics A, 116(3), 921–927, 18 May 2014, Refereed

Level set based topology optimization for optical cloaks
Garuda Fujii*, Hayato Watanabe, Takayuki Yamada, Tsuyoshi Ueta, Mamoru Mizuno
APPLIED PHYSICS LETTERS, 102(25), 251106, 09 Jun. 2013, Refereed

Topology optimization for a dielectric optical cloak based on an exact level set approach
Takayuki Yamada, Hayato Watanabe, Garuda Fujii, Toshiro Matsumoto
IEEE Transactions on Magnetics, 49(5), 2073, 07 May 2013, Refereed

A study on the effect of filling factor for laser action in dielectric random media
Garuda Fujii*, Toshiro Matsumoto, Toru Takahashi, Tsuyoshi Ueta
Applied Physics A: Materials Science&Processing, 107(1), 35–42, 01 Apr. 2012, Refereed

ランダムレーザーの低閾値化に関する研究
藤井雅留太，松本敏郎，高橋徹，植田毅
JASCOME レビュー, 2012-1, 1-12, 31 Mar. 2012

Finite-element analysis of lasing modes within photonic random media
Garuda Fujii*, Toshiro Matsumoto, Toru Takahashi, Tsuyoshi Ueta
Journal of Physics B: Atomic, Molecular and Optical Physics, 45, 085404, 30 Mar. 2012, Refereed

Study on transition from photonic-crystal laser to random laser
Garuda Fujii*, Toshiro Matsumoto, Toru Takahashi, Tsuyoshi Ueta
Optics Express, 20(7), 7300, 15 Mar. 2012, Refereed

誘電体ランダム配置系におけるレーザ発振の系内電場強度依存性に関する研究
藤井雅留太, 松本敏郎, 高橋徹, 山田 崇恭, 植田毅
電気学会論文誌 C, 132(1), 89, 01 Jan. 2012, Refereed

不規則にdangling bondを含む誘電体ハニカム型ボンド構造内でのレーザ発振現象の有限要素解析
藤井 雅留太, 松田 仁,松本 敏郎, 高橋 徹, 山田 崇恭, 植田 毅
計算数理工学論文集, 11(1), 89, 16 Dec. 2011, Refereed

誘電体ランダム配置系におけるレーザ発振の有限要素解析
藤井雅留太, 松本敏郎, 高橋徹, 植田毅
計算数理工学論文集, 10(1), 117, 10 Dec. 2010, Refereed

(Invited talk) On the usefulness of parameterizing level set method in CMA-ES based topology optimization
Garuda Fujii
JSME-KSME Joint Symposium on Computational Mechanics & CAE 2025, 22 Aug. 2025

(Invited lecture) Topology Optimization for Thermal Engineering: From Fundamentals to Applications
Garuda Fujii
2025 International Summer School of Fudan University (ISSF) on Statistical Physics and Thermal Metamaterials [ Room:C108, Session:Module 2: Statistical Physics and Thermal Metamaterials, 11 Aug. 2025

(Invited Talk) Realizing Human-out-of-the-loop in Topology Optimization
Shape Design and Mathematics Symposium 2024, 03 Sep. 2024

(Invited Talk) Topology optimized-unfeelability metastructure generating tensile stress by external compressive load
Garuda Fujii
KSME-JSME Joint Symposium on Computational Mechanics & CAE 2024, 02 Sep. 2024

(Invited Talk) Location camouflage by topology optimization
Garuda Fujii
The 12th Symposium on Computational Mechanics, 05 Dec. 2022
Lead

(Invited Talk) Topology optimization for manipulating thermal waves in macroscale
Garuda Fujii
ThermoMeta2022, 19 Aug. 2022
Lead, Last, Corresponding

(Invited Talk) Thermal Reversal-Cloak via Topology Optimization
Garuda Fujii
ThermoMeta2020, 07 Aug. 2020

(Invited Talk) CMA-ES Based Topology Optimization for Thermal-Electrical Bifunctional Devices
Garuda Fujii
The 42nd PIERS, 20 Dec. 2019

（招待講演）CMA-ESを用いたトポロジー最適化によるクローク・カムフラージュ・イリュージョン
藤井雅留太
第21回研究集会, 06 Dec. 2019, Invited

（招待講演）トポロジー最適化の基礎と最新展開
藤井雅留太
第87回 形の科学シンポジウム「生物と医学にまつわる形と物理法則」, 07 Jun. 2019

（招待講演）CMA-ESを用いたトポロジー最適化の開発とその展開
藤井雅留太
2017年度年次大会【F12100】設計工学・システム部門，計算力学部門企画「設計工学とCAEの最前線」, 03 Sep. 2017, Invited

（招待講演）ランダムレーザーの低閾値化に関する研究
藤井雅留太
JASCOMEシンポジウム2012, 20 Mar. 2012, Invited

Cloaking an object from both electromagnetic and acoustic waves via topology optimization
Garuda Fujii
Metamaterials'2021, 21 Sep. 2021

Thermal Electrical Bifunctional Cloak Designed by Topology Optimization Based on CMA-ES
Garuda Fujii and Youhei Akimoto
ICMAT 2019, 27 Jun. 2019, MRS Singapore

Topology Optimization for Acoustic Cloak Incorporating Acoustic-Elastic Coupling
Garuda Fujii and Masayuki Takahashi
ICMAT 2019, 25 Jun. 2019, MRS Singapore

CMA-ES based topology optimization for external cloaks
Garuda Fujii
META 2018, 25 Jun. 2018

Multi-Objective Topology Optimization for Carpet Cloaks
Garuda Fujii
WCCM/APCOM2016, 27 Jul. 2016

Topology optimized carpet cloak by means of a level set based topology optimization
Garuda Fujii, Masayuki Nakamura
WCSMO-11, 09 Jun. 2015

Color characteristics of delayed plumage maturation in the male red-flanked bluetail tarsiger cyanurus
Gen Morimoto, Takahiko Hariyama, Tuyoshi Ueta, Garuda Fujii, Aakihiko Kosaku, Takeo Kuriyama, and Kiyoshi Miyamoto
26th International Ornithological Congress, 18 Aug. 2014

Study on the performance robustness of optical cloaks designed by means of level set based topology optimization method
Garuda Fujii, Tsuyoshi Ueta, and Mamoru Mizuno
ICMAT 2013, 30 Jun. 2013

Level set-based topology optimization for anti-reflection surface
Garuda Fujii, Tsuyoshi Ueta, and Mamoru Mizuno
ICMAT 2013, 30 Jun. 2013

Topology Optimization for a Dielectric Optical Cloak Based on an Exact Level Set Approach
Takayuki Yamada, Hayato Watanabe, Garuda Fujii, Toshiro Matsumoto
Digests of the 15th BiennialIEEE Conference on Electronic Field Computation (CEFC2012), 11 Nov. 2012, IEEE

Dependence of threshold of random laser on the amount of disorder
Garuda Fujii
MHS 2011, 06 Nov. 2011

Study on transition from photonic-crystal laser to random laser
Garuda Fujii, Toshiro Matsumoto, Toru Takahashi, and Tsuyoshi Ueta
MHS 2011, 06 Nov. 2011

A study on transition from photonic-crystal laser to random laser
Garuda Fujii, Toshiro Matsumoto, Toru Takahashi, and Tsuyoshi Ueta
The 6th Nagoya University - UCLA International Symposium, 26 Aug. 2011

Detailed analysis for low-threshold laser oscillation in randomly distributed dielectric media
Garuda Fujii, Toshiro Matsumoto, Toru Takahashi, and Tsuyoshi Ueta
ICMAT 2011, 26 Jun. 2011

A study on effect of filling factor for laser actions in dielectric random media
Garuda Fujii, Toru Takahashi, Toshiro Matsumoto, and Tsuyoshi Ueta
ICMAT 2011, 26 Jun. 2011

A level set-based topology optimization method for three-dimensional compliance problem using boundary element method
Shinichiro Shichi, Akihisa Suzuki, Takayuki Yamada, Toru Takahashi, Garuda Fujii, and Toshiro Matsumoto
WCSMO-9, 13 Jun. 2011

Finite element analysis of laser modes within photonic random media
Garuda Fujii, Toru Takahashi, Toshiro Matsumoto, and Tsuyoshi Ueta
FEMTEC 2011, 09 May 2011

Finite element analysis for laser oscillations in random systems composed of dielectric materials
Garuda Fujii, Toru Takahashi, Toshiro Matsumoto, and Tsuyoshi Ueta
MHS 2010, 07 Nov. 2010

Finite element analysis for laser oscillations in random systems
Garuda Fujii, Toru Takahashi, Toshiro Matsumoto, and Tsuyoshi Ueta
MHS 2010, 07 Nov. 2010

Finite element analysis of laser oscillation and anderson localization of electromag- netic waves in a random configuration of dielectric material
Garuda Fujii
The Second Symposium of Young Researchers, 26 Mar. 2010

Finite element simula- tions of anderson localization in random systems
Garuda Fujii, Toru Takahashi, Toshiro Matsumoto, and Tsuyoshi Ueta
MHS 2009, 08 Nov. 2009

Electromagnetic-acoustic biphysical invisibility cloak via CMA-ES based topology optimization
Garuda Fujii
WCSMO14

01 May 2013
International Society for Structural and Multidisciplinary Optimization (ISSMO)

Jul. 2013
Metamorphose

Apr. 2009
Japan Society for Computational Methods in Engineering

Jul. 2009
The Japan Society of Mechanical Engineers

CMA-ESによる非線形トポロジー最適化の開発と超弾性メカニカルクロークへの応用
科学研究費補助金, 基盤研究(B)
2020 - 2025

熱伝導の“反転”：サーマルリバーシングメタデバイスを実現するトポロジー最適化の開発
公益財団法人TAKEUCHI育英奨学会 2020年度（第6期）助成金
2020

流体迷彩構造の設計を指向した非定常問題に対するトポロジー最適化の開発
科学研究費補助金, 挑戦的研究(萌芽)
09 Jul. 2018 - 31 Mar. 2020

CMA-ESを用いたマルチフェーズトポロジー最適化法の開発と光デバイス応用
科学研究費補助金, 若手研究(B)
2017 - 2019

メタサーフェスを用いた新機能音響デバイスの最適設計法の開発
科学研究費補助金, 基盤研究(C)
01 Apr. 2016 - 31 Mar. 2019

広周波数帯での不可視化を目指したワイドバンド光学迷彩のトポロジー最適化法の開発
科学研究費補助金, 若手研究(B)
01 Apr. 2014 - 31 Mar. 2017

第31回（平成25年度）研究助成（公益財団法人　カシオ科学振興財団）表面効果を考慮した光学デバイスのレベルセット形状表現に基づくトポロジー最適化法の開発
公益財団法人　カシオ科学振興財団
01 Jan. 2013

第28回（2012年度）マツダ研究助成（マツダ財団）フロントガラスへの応用を指向した無反射構造のトポロジー最適設計法の開発
マツダ財団
01 Nov. 2012

光学迷彩を指向した光制御に関するトポロジー最適化法の開発
科学研究費補助金, 研究活動スタート支援
01 Apr. 2012 - 31 Mar. 2014

有限要素法によるポーラス・コロイドフォトニック構造の特性解析
科学研究費補助金, 基盤研究(C)
01 Apr. 2011 - 31 Mar. 2014

Invisible cloak

Topology optimization

Finite element analysisphenomena

Evolutionary Computation

2016 - 2016 長工高生体験プロジェクト

Peer review
IEEE Transactions on Evolutionary Computation, 2021

Peer review
Materials Today Physics, 2021

Peer review
Nature Communications, 2021

Peer review
International Journal of Heat and Mass Transfer, 2020

Peer review
International Journal of Heat and Mass Transfer, 2020

Peer review
Expert Systems With Applications, 2020

Peer review
Materials Today, 2020

Peer review
Advanced Materials, 2020

Peer review
Advanced Materials, 2020 - 2020

Peer review
International Journal of Heat and Mass Transfer, 2020 - 2020

Peer review
日本機械学会論文集, 2019 - 2019

Peer review
Japanese Journal of Applied Physics, 2017 - 2017

Peer review
Mechanical Engineering Journal (JSME), 2016 - 2016

Planning etc
2017 日本機械学会 第 30 回計算力学講演会(CMD2017), 近畿大学 東大阪キャンパス

Planning etc
2016 WCCM XII&APCOM VI, COEX, Seoul, Korea

Planning etc
2016 日本機械学会 北陸信越支部 第 53 期総会・講演会

Planning etc
2015 日本機械学会 第 25 回 設計工学・システム部門講演会(D&S 2015), 信州大学工学部（長野キャンパス）