Minisymposia

A minisymposium consists of one or more technical sessions that focus on a specific topic or research area in the scope of COMPSAFE. The technical sessions provide a flexible format that accommodates keynote lectures, invited, and contributed papers. Volunteer minisymposium organizers will develop each minisymposium individually. The organizers are responsible for the technical content of their minisymposium; they select the invited participants, and review abstracts of contributed papers.

No.Minisymposia descriptionCountry/Region
MS01Computational Biomechanics for implantable medical devices

Fangsen Cui*, Institute of High Performance Computing, Singapore, cuifs(a)ihpc.a-star.edu.sg
Gongfa Chen, Guangdong University of Technology, China


The aim of this mini-symposium is to discuss recent progress in computational biomechanics related to safety issue of implantable medical devices such as orthopedic and cardiovascular implants. An example is that the vascular stents need to have a fatigue life of 10 years at least. This research topic involves computational solid mechanics, fluid dynamics and fluid-structure interaction.
Singapore
MS02High Performance Computing for Environmental Problems

Masao Ogino*, Nagoya University, Japan, masao.ogino(a)cc.nagoya-u.ac.jp
Qinghe Yao, Sun Yat-Sen University, China
A.M.M. Mukaddes, Shahjalal University of Science and Technology, Bangladesh
Ryuji Shioya, Toyo University, Japan


High performance computing, parallel computing, system software, CAE software, large-scale problems, and related topics for environmental problems are discussed in the mini-symposium.
Japan
MS03Novel numerical methods and simulation-based prediction for extreme events

Yan Liu*, Tsinghua University, China, yan-liu(a)tsinghua.edu.cn
Xiong Zhang, Tsinghua University, China
Jiun-Shyan Chen, University of California, San Diego, United States
Timon Rabczuk, Bauhaus University Weimar, Germany


Extreme events pose great challenges to theoretical prediction and experiments. Simulation-based prediction for extreme events is desired, and developing novel numerical methods for extreme events is essential because traditional methods encounter many difficulties due to strong non-linearity. This mini-symposium aims at bringing together the researchers working in the field of numerical methods and simulation-based prediction for extreme events to communicate the state-of-art of the field. The mini-symposium includes but is not limited to the following themes:
1. Large scale numerical simulation for extreme events;
2. Meshfree particle methods for extreme events;
3. eXtended finite element methods for extreme events;
4. Other novel numerical methods for extreme events;
5. Simulation-based prediction for extreme events;
6. Dynamical behavior of materials under extreme loading with molecular simulation and multiscale computation;
7. Simulation of multiphysics processes during extreme events;
8. Software development for extreme events.
China
MS04Computational Marine Hydrodynamics

Decheng Wan*, Shanghai Jiao Tong University, China, dcwan(a)sjtu.edu.cn


Computational marine hydrodynamics deals with numerical study of flows around marine vehicles, such as surface ships, submarines, AUVs and ROVs, and offshore structures, both fixed and floating ones. Some of the important topics are marine vehicle resistance and propulsion, controllability, wave loads, wave induced motions, and energy and ecology considerations. Correct understanding and application of hydrodynamics on marine vehicles and structures are vital in their design and operation. The aim of Mini Symposium of Computational Marine Hydrodynamics is to provide a platform for disseminating recent advances made in computational marine hydrodynamics and explore outstanding and frontier problems in computational marine hydrodynamics for further research and applications.
Papers are invited on the following topics:
1. Computational techniques in marine hydrodynamics
2. Numerical ship hydrodynamics
3. Computational coastal hydrodynamics
4. Coupled CFD and structural analysis
5. Numerical techniques in vortex-induced vibration and vortex-induced motion
6. Numerical method for flows around underwater vehicles and marine robotics
7. Numerical simulation of seakeeping and control of ships and platforms
China
MS05Discrete and Discrete-Continuum Multiscale Approaches for Geo-hazard Simulation

Xikui Li*, Dalian University of Technology, China, xikuili(a)dlut.edu.cn
Shunying Ji, Dalian University of Technology, China
Sihong Liu, Hohai University, China
Xihua Chu, Wuhan University, China


The proposed mini-symposium aims to discuss the recent advances in the discrete and the discrete-continuum multiscale approaches for geo-related hazard simulation.
The topics covered in the mini-symposium include:
1. developments and applications of computational methods for discrete and discrete-continuum multiscale multi-physics modeling of heterogeneous granular materials for geo-hazard simulation such as slope failure characterized with strain localization and large deformation of geo-structures, etc.;
2. meso-discrete-structured and meso-hydro-mechanically informed characterization and definition of macroscopic internal state variables for geo-failure in the continuum context;
3. discrete modeling and simulation of time dependent behaviors in granular materials such as wave propagation and creep;
4. discrete-continumm modeling of achronic/chronic degradation of granular materials under extreme environmental and biochemical conditions;
5. parallel computational technique for geo-hazard simulation with DEM;
6. other discrete or discrete-continuum numerical modeling related to geo-harzard simulation using XFEM, meshfree, MPM, Numerical manifold method, etc., are also within the scope of the present mini-symposium.
China
MS06Computational Mechanics in Shale Gas Exploration

Jianchun Guo, Southwest Petroleum University, China
Zhanli Liu*, Tsinghua University, China, liuzhanli(a)tsinghua.edu.cn
Quanzi Yuan, Institute of mechanics, Chinese academy of sciences, China
Yongxing Shen, Shanghai Jiao Tong University, China


Oil and gas are becoming more technically challenging to find, access, and produce; shale gas reservoirs must be fractured to improve permeability, horizontal wells are drilled with advanced guidance systems to deeper and hotter places, short and long term wellbore stability are major concerns. With the rapid development of computer simulation technology, the numerical simulation is becoming an effective way to study shale gas extraction process and guide improvements inoilfield technology. This mini-symposium aims at bringing together engineers, mechanicians, computer scientists, and industrial researchers to discuss and exchange ideas on new developments of computational modeling in shale gas exploration. The topics of interest are, but not limited to, hydraulic fracturing, waterless fracturing, multi-scale gas diffusion and flow, well drilling and completion etc.
China
MS07Simulation-based Engineering for Structure Resilience to Disastrous Events

Dongdong Wang*, Xiamen University, China, ddwang(a)xmu.edu.cn
Sheng-Wei Chi, University of Illinois at Chicago, USA
Xiong Zhang, Tsinghua University, China
Jiun-Shyan Chen, University of California, Dan Diego, USA


The simulation-based engineering for structure resilience to disastrous events has gained significant attention during recent years, which necessitates the developments of new and robust numerical methods in order for accurate computer modelling and simulation. This minisymposium aims to provide a platform for academic researchers and industrial engineers in related fields to exchange the latest progress on the developments and applications of advanced computational methods for structural and disaster modelling. Presentations are solicited in all subjects related to the simulation-based engineering for structure resilience to disastrous events, which include but are not limited to the followings:
1. Development and improvement of advanced numerical methods, such as meshfree methods, particle methods, enriched and extended finite element methods, isogeometric methods, discrete element methods, peridynamics, etc
2. Modelling of structural response under extreme loading conditions
3. Simulation-based disaster prediction and mitigation
4. Multi-scale methods and multi-scale modelling procedures
5. Large-scale and and parallel computation
6. Coupled Lagrangian-Eulerian methods for extremely large deformation simulation
7. Fluid-structure interaction modelling
8. Verification, validation, and software development
9. Numerical algorithm implementation and simulation software development
10. Other related subjects
China
MS08Advancement of computational fracture mechanics applications

Xueling Fan*, Xi'an Jiaotong University, China, fanxueling(a)mail.xjtu.edu.cn
Toshio Nagashima, Sophia University, Japan
Zhanli Liu, Tsinghua University, China
Yoshitaka Wada, Kindai University, Japan


This minisymposium deals with the state-of-the-art computational fracture mechanics applications. Applications of computational methodologies, such as, FEM, X-FEM, G-FEM, S-FEM, BEM and other advanced numerical techniques will be discussed in the minisymposium. Fields of interests span a wide range of areas, such as aerospace, automobile, naval architecture, nuclear power, mechanical/civil engineering, and other structural applications. Outcomes of both the applied and fundamental researches are warmly welcome to the minisymposium.
Japan
MS09Numerical Modelling and Analyses for Safety and Catastrophic Failure of Important Infrastructures

Qing Zhang*, Hohai University; China, lxzhangqing(a)hhu.edu.cn
Qiang Yang, Tsinghua University, China
Xuan Wu, Jiangsu Society of Theoretical and Applied Mechanics, China
Dan Huang, Hohai University, China


The safety and catastrophic failure of infrastructures have become serious problems all over the world. Many disastrous factors, including earthquake, storm, flood, tsunami, explosion, etc., may result in sudden destruction or serious damage to engineering structures. This mini-symposium provides an informative and stimulating forum to enhance the academic communications on this challenging topic, and focuses on the developments and applications of computational methods for modeling and analyses with a view to safety assessment, long-term behavior and catastrophic failure of important infrastructures,such as high dams, geotechnical structures, bridges and high buildings, and so on.
The topics covered include (but not limited to) :
1. Damage and failure mechanism of engineering materials and structures
2. Modeling the response of engineering structures in case of natural disasters such as earthquake, debris flow, flood, typhoon and so on
3. Long-term behavior and safety assessment of ultra-high dams, slopes, bridges and tunnels etc
4. Computational mechanics of structural components
5. Related multiscale, multiphysics modeling and advanced computational methods
China
MS10Multi-stage failure simulations

Mao Kurumatani*, Ibaraki University, Japan, mao.kurumatani.jp(a)vc.ibaraki.ac.jp
Kenjiro Terada, Tohoku University, Japan
Norio Takeuchi, Hosei University, Japan
D.R.J. Owen, Swansea University, UK


Most materials and structures result in multiple stages of failure; deterioration, damage, crack formation and propagation and collapse, involving various time-scale and spatial-scale. Multi-stage failure simulations target such phenomena with multi-mechanisms and necessitates novel numerical simulation schemes to reproduce the step-by-step failure behavior of materials and structures. This mini-symposium is open to contributions on computational modeling of damage, cracking or fracture behavior at any failure stage and bridging techniques of different failure stages. We also welcome experimental determinations and measurements to demonstrate the validity of computational modeling and to compare with numerical results.
Japan
MS11Recent Development of Computational Technology in Geotechnical Engineering

Feng Zhang*, Nagoya Institute of Technology, Japan, cho.ho(a)nitech.ac.jp
Yu Huang, Tongji University, China
Guanlin Ye, Shanghai Jiao Tong University, China
Shuji Moriguchi, Tohoku University, Japan


Computational technologies have been developed very quickly and widely used in geotechnical engineering. The rapid development of the technologies makes it possible for us to solve various engineering problems. The computational technology is now a useful implement method in practical design and construction. Furthermore, the technologies are developing so quickly that the new technologies are emerging continually. It is therefore very important for us to understand, to absorb and to summarize the current advancements of the computational technologies in geomechanics. For this reason, this mini-symposium aims to provide a platform for the researches who specialized in the computational science and technology in geotechnical problems to exchange and share the knowledge among them. The research topics such as, advanced computer simulations, survey and monitoring, use of GIS, image analysis, risk management and other related technologies are particularly focused on in the symposium.
Japan
MS12Hazard and Disaster Simulation of Earthquake and Tsunami with HPC

Muneo Hori, The University of Tokyo, Japan
Xinzheng Lu, Tsinghua University, China
Takane Hori*, JAMSTEC, Japan, horit(a)jamstec.go.jp
Takamasa Iryo, Kobe University, Japan


Scope of this mini-symposium is to discuss developments and directions for large scale earthquake and tsunami simulation with high performance computing technology. Broadband aspects from earthquake engineering to seismology are expected with a special emphasis on use of super computers (e.g. structural response, soil amplification, city and social response, evacuation, recovery, fluid-structure coupling, global tsunami propagation, local tsunami run-up, earthquake ground motion, crust deformation, earthquake cycle and the other related issues in earthquake and tsunami).
Japan
MS13Advances in nonlinear simulation of solid and structure for safety

Shigenobu Okazawa*, University of Yamanashi, Japan, sokazawa(a)yamanashi.ac.jp
Takahiro Yamada, Yokohama National University, Japan


We invite the following presentations for safety:
Geometrical nonlinear, material nonlinear, large deformation, contact, computational methods (implicit, explicit and so on), dynamic problem, mesh control (Lagrange, Euler, Arbitrary-Lagrange-Euler and so on), buckling and localization. Additionally, customization of commercial code is welcome.
Japan
MS14Advanced Techniques for Nonlinear Problems in Engineering

Jizeng Wang*, Lanzhou University, China, jzwang(a)lzu.edu.cn
Xiaojing Liu, Lanzhou University, China
Youhe Zhou, Lanzhou University, China


Today, major challenges for analysis and design in engineering and science come primarily from nonlinearity, especially from strong nonlinearity. Increasingly complex materials and structures of novel design and application require new models and simulation approaches. This mini-symposium aims at gathering experienced scientists and engineers to discuss in depth broad aspects in the fields including, but not restricted to, modeling approaches of smart materials, superconductors and other complex materials and structures, advanced solutions of nonlinear problems, simulations of biological systems and mechanical systems under extreme conditions, computational fluid dynamics, and nonlinear dynamics.
China
MS15Computational Methods and Modeling for Disaster Prevention and Mitigation

Tomonori Yamada*, The University of Tokyo, Japan, yamada(a)race.u-tokyo.ac.jp
Shinobu Yoshimura, The University of Tokyo, Japan
Rong Tian, Chinese Academy of Sciences, China


It is now highly demanded to quantitatively assess various types of risks for disaster prevention and mitigation caused by external as well as internal hazards. For such purposes, computer simulations are regarded as the most powerful and reliable methods. This mini-symposium aims to gather recent developments on such computational technologies in finite elements, finite difference, finite volume, meshless and particle methods as well as the high performance computing techniques. The phenomena to be addressed are solid, fluid, thermal, multi-physics and multi-scale phenomena.
Japan
MS16Computation Methods for Water Environment Research and Flood Hazard Mitigation

Kazuo Kashiyama*, Chuo University, Japan, kaz(a)civil.chuo-u.ac.jp
Ethan Kbatko, Ohio State University, USA
Kwok Fai Cheung, University of Hawaii, USA


A number of natural disasters such as floods, storm surges, tsunamis occur annually in various parts of the world. Also, the transport problems such as water pollution and the sediment transport are becoming important issues in water environmental problems. This mini-symposium will examine the latest developments in solving uncoupled and coupled flow, transport problems with water environmental applications and the coastal/flood disaster mitigation.
Japan
MS17Atmospheric Boundary Layer and Atmosphere Environment

Guixiang Cui, Tsinghua University, China
Bing Wang, Tsinghua University, China
Wei-Xi Huang*, Tsinghua University, China, hwx(a)tsinghua.du.cn
Lihao Zhao, Tsinghua University, China


1. Numerical modeling and Experimental Technology for Atmospheric Boundary Layer
2. Urban Atmospheric Boundary Layer
3. Marine Atmospheric Boundary Layer
4. Wind and Sand Environment
5. Other related topics
China
MS18Uncertainty Quantification and Propagation in Safety and Environmental Problems

Chenfeng Li*; Swansea University, UK, c.f.li(a)swansea.ac.uk


Uncertainty is an inherent feature of many safety and environmental problems, and it can arise from the heterogeneity of materials and structures, the fluctuation and variability of measurement data, and the indeterminacy of natural and industrial processes and systems. There has been rich and extensive research works from different research fields trying to address the uncertainty challenges, notably from the structural, computational, environmental, and geotechnical communities. The main objective of this mini-symposium is to provide a platform for communication and discussion of uncertainty related topics in the context of safety and environmental problems. The topics include but not exclusively:
1. Measuring and monitoring technology that deals with uncertainty data
2. Uncertainty quantification for material, structural, geotechnical and environmental systems and processes
3. Computational modelling for uncertainty propagation in safety and environmental problems
4. Reliability and risk: analysis, assessment and management
UK
MS19Advances in structural collapse analysis

Daigoro Isobe*, University of Tsukuba, Japan, isobe(a)kz.tsukuba.ac.jp
Jinkoo Kim, Sunkyunkwan University, Korea


Collapse of structures occurred recently are mainly caused by extreme external loads such as aircraft collision, explosion, large seismic excitation, tsunami, typhoon, tornado, and big fire. Dynamic numerical codes are generally used to investigate such phenomena, however, the strong nonlinearity in the deformation of the structures often generates higher hurdle in the analyses. The main purpose of this mini-symposium is to bring together scientists and engineers who work in the fields mentioned above, and to discuss on the state-of-the-art numerical codes and the numerical analyses regarding collapse problems of civil and architectural structures.
Japan
MS20Advanced Modeling and Simulation of Geo-disasters

Yu Huang*, Tongji University, China, yhuang(a)tongji.edu.cn
Qiang Xu, Chengdu University of Technology, China


Geo-disaster is a regular occurrence around the world and has caused significant economic loss and increasing number of fatalities. Hence, there is an urgent need for better understanding of the triggering mechanisms, for reliable prediction of dynamic behaviors and potential dangers, for rational design of stabilization and protection measures. In this regard, the modelling and analysis of geo-disaster is still an open topic in the academic and engineering contexts. In spite of considerable progresses in experimental works in laboratories, numerical methods define the most versatile and practical approach in investigation, prediction, evaluation and mitigation of geo-disasters. The last decades saw rapid developments of numerical methods and application in geo-disaster modeling and analysis.
The main purpose of this mini-symposium is to provide the opportunity for geoscientists, mathematicians, computational scientists, engineers all over the world to discuss the current progress and latest advancements in the field of advanced numerical method for geo-disaster modeling and analysis. The focus will be on new simulation method, improved algorithms and the modelling of interesting academic and engineering geo-disaster. Contributions can include, but are not limited to the following aspects: earthquake, tsunami, landslides, debris flows, flow-slides, liquefaction, erosion and deposition, earth fissures, karst hazards, monitoring and warming for geo-disaster, geo-disaster reduction, etc. Moreover, there are no restrictions related to the numerical methods, therefore mesh method and mesh-free method studies are all welcomed. We hope to provoke meetings between various communities and by this way, to promote exchanges of methodologies and to encourage international cooperation.
China
MS21Uncertainty quantification in Computational Engineering

Michael Kaliske, Technische Universität Dresden, Germany
Tetsuya Matsuda, University of Tsukuba, Japan
Ryosuke Uzuoka, Tokushima University, Japan
Shuji Moriguchi*, Tohoku University, Japan, s_mori(a)irides.tohoku.ac.jp


Continuous efforts have been made to develop performance of numerical simulations over the past decades. As a result, the simulations play important role to solve engineering problems nowadays. Furthermore, in order to utilize numerical simulations at higher level, attempts to take variability, lack of information and imprecision into account have been undertaken. For this reason, this mini-symposium aims to discuss recent research efforts and progress on uncertainty quantification in computational engineering. It is also attempted to provide an interdisciplinary platform for the researchers who are interested in these topics to exchange and share knowledge. Uncertainty quantification, verification & validation, reliability based design, probabilistic risk assessment, and other related technologies are focused on in this mini-symposium.
Germany & Japan
MS22Multiscaling for safety and environmental problems

Kenjiro Terada*, Tohoku University, Japan, tei(a)irides.tohoku.ac.jp
Tong-Seok Han, Yonsei University, Korea
Yuichi Tadano, Saga University, Japan
Akiyuki Takahashi, Tokyo University of Science, Japan
Michael Kaliske, Technische Universität Dresden, Germany


This minisymposim focuses on the developments and applications of computational methods for multiscale modeling and analyses with a view to safety assessment of materials and structures, including all pending challenges. In this context, a class of computational homogenization methods must be one of the promising strategies for determining the effective behavior of complex and highly heterogeneous materials, and for computing the response of structures composed of these materials. Also, multiscale materials modeling using the hierarchy of simulation techniques and coupling techniques from first principles to continuum must be another approach for exploring thoroughly the physical picture of complex material deformation behavior. Although some of the methods are of great utility value even in practical applications and seems to be mature in the field of computational mechanics, there must be some room for further development in view of safety and environmental engineering.
The topics covered include (but not limited to) :
1. Heterogeneous, time-dependent and nonlinear material behaviour, including material dynamics;
2. Heterogeneous materials with coupled multi-physics behavior (phase change, chemo-mechanics, nonlinear thermo-mechanics...), including extended homogenization schemes;
3. Materials with a complex physical geometry, e.g. provided by high resolution 3D imaging techniques;
4. Multiscale damage modeling, capturing the transition from homogenization to localization;
5. Computational homogenization including size and second-order effects;
6. Microstructures with complex interfaces
7. Multiscale simulations with non-local phenomena like cracks, instabilities or shear bands;
8. Reduction of computational costs associated with multiscale algorithms;
9. Integration of phenomena occurring at nanoscale;
10. Atomistic and defect-based simulations and techniques in the framework of multiscale materials modeling for understanding complex deformation mechanisms at various length- and time-scales.
Japan
MS23Recent Advances in High-Performance Geotechnical Modeling and Simulations

Hiroshi Okuda*, The University of Tokyo, Japan, okuda(a)k.u-tokyo.ac.jp
Hiroshi Akiba, The University of Tokyo, Japan


Focusing on the computational geotechnology problems, for example, dynamic motion of ground system with faults and buildings, coupled nonlinear phenomena of ground and buildings with components, high-performance computing techniques and modeling methods are discussed. Issues are not limited to the structural topics, but include the global chemistry and the transport phenomena and their related fields.
Japan