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  • School of Engineering
  • Division of Mechanical, Materials and Manufacturing Science
  • Department of Mechanical Engineering


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    Solid Mechanics Subarea

    Professor SHIBUTANI Yoji   Associate Professor TARUMI Ryuichi   Associate Professor OKUMURA Dai   Assistant Professor TANAKA Hiro
    Any material consists of atoms or molecules. When it deforms under external loadings, no one can look over the deformation behavior both from macroscopic continuous and microscopic atomistic levels at the same time. Multiscale Modeling (MM) aims at linkage between the two viewpoints over the vast time and scale gaps. We are conducting the computational/theoretical MM of solid mechanics including the ab-initio calculations, molecular dynamics simulations and mathematical formulation based on the generalized elasticity and calculus of variation. In addition, we are also conducting nanoindentation experiments for size-dependent plastic deformation, mechanical design of flexible joint structures, and non-destructive evaluation of defects in solid by means of scanning electron-induced acoustic microscope (SEAM).

    Multiphase flow Science and Engineering Subarea

    Professor TANAKA Toshitsugu   Associate Professor TSUJI Takuya   Assistant Professor WASHINO Kimiaki
    Flows including solid particle are seen in a wide range of industrial equiput and in nature. It shows very complex and intriguing bahaviors due to the structure formation by particles. We perform studies to advance our understandings on the flow physics and to develop reliable numerical models. Application studies based on these fundamentals are also our scope of study.

    Theory and Application of Nonlinear and Nonequilibrium Phenomena in Fluid Mechanics Subarea

    Professor YANO Takeru   Assistant Professor INABA Masashi
    Research in our group encompasses a wide range of nonlinear and nonequilibrium fluid phenomena from molecular to macroscopic scales, focusing on the fundamental aspect, and aiming at the establishment of novel nonlinear and nenequilibrium fluid mechanics.

    Nanostructural Engineering Subarea

    Associate Professor HIRAHARA Kaori
    In-situ electron microscopy with nanometer-scale manipulation technique is the powerful method to investigate mechanical properties of nanomaterials. Our research group has conducted fundamental studies on machining process, plastic deformation mechanism, wetting behavior, Gecko-like adhesive behavior and oscillation properties of carbon nanotubes (CNTs), carbon nanocoils and related materials, with utilizing transmission- and scanning- electron microscopes equipped with nanomanipulation system operated with 0.1 nm order accuracy. We also have tried to develop novel components for nanomechanical systems and functional materials with making the best use of unique and nice properties originated in the fine structures of nanocarbon materials.

    Complex Fluid Mechanics Subarea

    Our group studies the flow behavior of complex fluids such as polymeric liquids, suspensions, surfactant solutions, emulsions, and liquid crystals. We investigate the flow of these fluids by both experimental and numerical approaches.

    Thermo-Hydro Dynamics Subarea

    Assistant Professor NAKATSUKA Noriaki

    Mechanical Dynamics Subarea

    Professor ISHIKAWA Masato
    Walk, Swim, Rock and Roll —. We exploit every aspect of “motion”, with full aid of deepest understanding in classical mechanics, dynamical system theory, nonlinear control, robotics, mechatronics, or even in zoology, linguistics, etc. Our recent interest is centered at the principle of locomotion, induced by contact constraint between the body and its environment. We equally put importance on unbiased observation, mathematical thinking and rapid manufacturing.

    Reaction and Transport Dynamics in Energy Devices Subarea

    Professor TSUSHIMA Shohji   Assistant Professor SUZUKI Takahiro
    Aiming at the technological advance of the next-generation energy conversion devices such as fuel cells and flow batteries, we perform rearch to elucidate chemical reaction and transport phenomena in the devices.

    Micro Materials Engineering Subarea

    Professor MINOSHIMA Kohji   Associate Professor HIRAKATA Hiroyuki   Assistant Professor KONDO Toshiyuki
    The research group aims at understanding the deformation and fracture of nano- and micro-scale materials. It remains unclear whether conventional concepts on material strength for bulk materials are valid in the nano- and micro-scale materials. Experimental methodologies for investigating the dominant mechanics and mechanisms on the nano- and micro scales have not been established. We develop novel experimental methods for clarifying the nano- and micro-mechanics of deformation and fracture of small structures.

    Nano Measurement in Production Subarea

    Professor TAKAYA Yasuhiro   Associate Professor MIZUTANI Yasuhiro
    We integrate nano measurement and fabrication in order to establish the highly developped nano production system. Our research are based on the laser applied measurement and fabrication techniques. One of the typical research topics is developping nano-CMM system for nano in-process measurement. Optical radiation force is applied for controlling the sensitive non-contact probe in the integrated nano maching system. This probe is expected to realize better than 10nm resolution during 3-D coordinate measureing.

    Fluid Mechanics Subarea

    Professor KAJISHIMA Takeo   Associate Professor TAKEUCHI Shintaro   Assistant Professor OMORI Takeshi   Assistant Professor OKABAYASHI Kie
    We study the physics of fluid flow, mainly turbulence, fluid-solid interaction and interfacial phenomena, using numerical simulation. The study includes development of new numerical techniques and their application to practical systems. Potential application of our expertise covers broad situations from analysis of existing fluid machinery to development of brand-new mechanical complex.

    Multiscale Transport Phenomena Subarea

    Associate Professor YAMAGUCHI Yasutaka
    We carry out molecular scale analysis on theliquid properties including viscosity and surface tension and on the physico-chemical structure of liquid interface. We also try to model these physicochemical effects applicable to the macroscopic simulation of the fluid motion including interfaces.

    Combustion Engineering Subarea

    Professor AKAMATSU Fumiteru   Associate Professor HAYASHI Jun
    Studies of the highly efficient and clean combustion, the plasma assisted combustion/ignition, the utilization of biomass, the ammonia combustion as an energy carrier, the effective use of combustion field are conducted in the combustion engineering laboratory of Osaka university.

    Micro Thermal Engineering Subarea

    Professor SHIBAHARA Masahiko    Assistant Professor UEKI Yoshitaka   Assistant Professor FUJIWARA Kunio
    In our laboratory, we conduct investigations based on thermal engineering, including heat transfer, molecular thermal engineering, thermofluid engineering, and combustion engineering, in order to contribute to saving energy, reducing environmental pollution, and developing new technologies.
    To make the contribution, we mainly employ computer simulation, but also perform experimental validation and development.

    Biomedical Wet Robotics Subarea

    Professor MORISHIMA Keisuke
    We have demonstrated an environmentally robust biotic-abiotic robotic system that uses living components, called "Cellular Build Up Wet Nano Robotics". To utilize robust biological components as a functional systems and self assembly process and their emergent functionality, and to build up such a soft and wet machines will lead us an innovative fundamental change and produce a new principle and design to future man-made systems.

    Dynamical Systems Control Subarea

    Professor OSUKA Koichi   Associate Professor SUGIMOTO Yasuhiro   Assistant Professor SUEOKA Yuichiro
    We are trying to understand the secret and essence of control principle of motion intelligence of wide variety of dynamical systems including living things. To do so, we understand the dynamical systems from a view point of Control Methodology. Then, we construct a new design principle of control system for artificial or natural controlled object.

    HyperHuman Engineering Subarea

    Professor KANEKO Makoto   Associate Professor HIGASHIMORI Mitsuru   Assistant Professor HORADE Mitsuhiro
    Our research concept includes the basic research on hyper human technology by using high-speed vision and high-speed actuator, and its application to bio/medical well as robotics. We are tackling interdisciplinary researches: cell exercise, high-speed cell manipulation (bio/regenerative medicine), and eating-sensory evaluation robot system (medical welfare/food science).

    Spacecraft Dynamics and Control Subarea

    Professor YAMADA Katsuhiko   Assistant Professor SHOJI Yasuhiro
    We are making research on the stability and control of a spacecraft and a balloon based on the spacecraft orbital and attitude dynamics and the balloon flight dynamics. We are developing an efficient orbital control and an agile attitude control of spacecraft by using thrusters or control moment gyros. We are also developing a precise attitude control of a balloon based on the dynamics analysis of the three-dimensional motion.

    Design Engineering Subarea

    Professor FUJITA Kikuo   Associate Professor YAMASAKI Shintaro   Associate Professor NOMAGUCHI Yutaka   Assistant Professor YAJI Kentarou
    This laboratory is in charge of research and education on theories, methodologies and computer-based techniques for rationalizing the process of product design and development. They are aimed to create superior innovative designs in a totally compromised way among values, functions, cost, time, etc. This laboratory delineates the four research directions, i.e., Products, Process, Function & Structure and System of Systems.

    Precision Processing Area

    Professor ENOMOTO Toshiyuki   Assistant Professor SUGIHARA Tatsuya
    Enomoto Laboratory conducts education and R&D activities of precision/ultra-precision machining, especially cutting, grinding and polishing. The targets of our laboratory are to “achieve ultimate manufacturing” and “create new values” in the precision processing area.

    Sustainable System Design Subarea

    Professor KOBAYASHI Hideki   Associate Professor FUKUSHIGE Shinichi   Assistant Professor MURATA Hidenori
    The objective of our research is to realize artifactual systems suitable to sustainable society in terms of environmental, social and economic aspects. In order to accomplish it, we are developing design methods and computer-aided tools for specific purposes, and systematizing them as a design methodology.

    Emergent Robotics Laboratory

    Professor ASADA Minoru   Assistant Professor ISHIHARA Hisashi
    Cognitive Developmental Robotics (hereafter, CDR) aims at providing a new way of understanding ourselves and a new design theory of humanoids through mutual feedback between the design of human-like robots and human-related science. CDR consists of the design of self-developing structures inside the robot’s brain, and the environmental design: how to set up the environment so that the robots embedded with therein can gradually adapt themselves to more complex tasks in more dynamic situations.

    Microdynamics Laboratory

    Professor NAKATANI Akihiro
    Establishment of computational theory and methodology of multiscale dynamics for microscopic open systems, which incorporates surrounding environmental effects to isolated systems.

    Nonlinear Discrete Dynamics Laboratory

    Associate Professor DOI Yusuke
    We are interested in nonlinear dynamics in discrete/periodic structures such as micro scale dynamics in materials. Nonlinear vibration and nonlinear energy localization are investigated theoretically and numerically based on theory of dynamical system. Our purpose is to propose a new theoretical approach based on nonlinear dynamics in order to solve various problems in mechanical engineering and material engineering.

    Motor Intelligence Laboratory

    Associate Professor SUGIHARA Tomomichi
    Bidirectional study of human motion and humanoid robots to understand the human intelligence with a background of mechano-informatics.

    Symbiotic Media Laboratory

    Associate Professor NAKANISHI Hideyuki
    To create human-media symbiosis, we are working on the development and analysis of user interfaces that eliminate the gap between media and humans.

    Laser Materials Processing Area[Joining and Welding Research Institute]

    Associate Professor KAWAHITO Yousuke
    Fundamental studies are performed concerning the development of joining, surface modification and removal processing with lasers. In particular, the mechanisms of joining and imperfection formation are clarified by the high-speed observation and measurement of laser and/or arc welding phenomena with optical sensors or X-ray transmission imaging techniques. New researches such as Laser direct joining of metal and plastic and Implement technology and studied and we provide the information.

    Composite Materials Processing Area[Joining and Welding Research Institute]

    Professor KONDOH Katsuyoshi   Associate Professor IMAI Hisashi   Assistant Professor UMEDA Junko
    Fundamental studies on materials functionalization by “atomic, nano and micro-scaled” materials design and its industrial application

    Komatsu MIRAI Construction Equipment Cooperative Research Center

    Professor OSUKA Koichi(Director)   Project Professor YOSHINADA Hiroshi(Deputy Director)   Associate Professor NAKAMURA Shinya   Assistant Professor KURASHIKI Keita   Assistant Professor TANIMOTO Takanobu   Specially Appointed Researcher KOBAYAKAWA Murino
    The demand of unmanned mining equipment, which helps improving productivity, safety and operator comfort, is increasing rapidly. Our objective is to build teleoperation system which can control mining equipment freely from distant urban office. We are doing joint researches in wide domain, such as controls, sensors, imaging, Virtual reality, etc., with some laboratories of Osaka University. And , we are doing research in "Impulsing Paradigm Change through Disruptive Technologies Program (ImPACT)" on the basis of these technologies.


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