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1st ACES Workshop Proceedings
1nd ACES (APEC Cooperation for Earthquake Simulation) Workshop in Australia


Editorial

Introduction to ACES

Background to ACES

Working Group 1: Microscopic Simulation Models Sessions

Session 1.1:
Modelling the micro-physics underlying earthquake nucleation processes and rupture

Session 1.2:
Frictional behaviour of rocks, gouge layers and complex fault zones: simulation, observation and scaling


Working Group 2: Macroscopic Simulation Models

Session 2.1:
Physical modelling and simulation of the earthquake cycle

Session 2.2:
Simulation of earthquake rupture, seismic wave propagation and strong motion

Session 2.3:
Simulation and observation of complex interacting fault systems


Working Group 3: Computational Methods/Algorithms

Session 3.1:
Macroscopic methods (FEM, FD, PS, SE) of earthquake faulting and waves

Session 3.2:
Particle-based methods (LS, Distinct Element, MD) to simulate fault microphysics


Working Group 4: Data Assimilation

Session 4.1: Inversion and assimilation of geodetic data

Session 4.2:
Physical scale dependencies, observed scaling relations and simulation

Working Group 5: Model Applications

Session 5.1:
General session for earthquake forecasting and hazard quantification


Appendices


 


Editorial
Title, Location, ISBN
 

Picture of ACES Inaugural Workshop Participants
 

Quotes about the workshop
 

 


Introduction to ACES
About the 1-st ACES Workshop
 

Working Group Sessions: issues and questions
 

Future ACES activities, workshops and WG meetings
 

 

 


Background to ACES
The APEC Cooperation for Earthquake Simulation (ACES) and Outcomes of the inaugural meeting of the ACES International Science Board (May 4-8, 1998, Brisbane)
Peter Mora, Mitsuhiro Matsu'ura, Xiang-Chu Yin and Bernard Minster





Session 1.1:
Modelling the micro-physics underlying earthquake nucleation processes and rupture

Session Summary
David Place
Modelling rock grain interactions at a meso-scale to study the micro and macro-physics of rocks: simplicity vs. complexity
David Place and Peter Mora

Damage localization as possible mechanism underlying earthquake
Y. L. Bai, H. L. Li, M. F. Xia and F.J. Ke

An experimental investigation and numerical simulation on the damage process of rock specimen
KeYin Peng, XiangChu Yin, HaiTao Wang, and YongXian Zhang
PDF (89KB) |

Hybrid modelling of coupled pore fluid-solid deformation problems
Hide Sakaguchi and Hans-B. Mühlhaus

Evolution induced catastrophe of material failure
F.J. Ke ,M. F. Xie and Y. L. Bai





Session 1.2:
Frictional behaviour of rocks, gouge layers and complex fault zones: simulation, observation and scaling

Session Summary
Michael Blanpied and Peter Mora

PDF (149KB) |


The shear rupture nucleation: Horizons broadened by high- resolution laboratory experiments
Mitiyasu Ohnaka
|  PDF (77KB) |

The Lattice Solid Model: towards a realistic simulation model for earthquake micro-physics and the development of a virtual laboratory for the earthquake cycle
Peter Mora, David Place, Steffen Abe, Dion Weatherley and Therese Keane

Observations of micro-mechanical processes during frictional slip
James H. Dieterich
|  PDF (34KB) |

Evolution of contacting rock surfaces and a slip- and time-dependent fault constitutive law
Hideo Aochi and Mitsuhiro Matsu'ura
|  PDF (486KB) |

Static friction, healing, and constitutive laws for time- and slip- dependent friction
Chris Marone
|  PDF (802KB) |

Sample-specificity and predictability of material failure
Mengfen Xia, Jie Bai, Fujiu Ke and Yilong Bai

|  PDF (451KB) |






Session 2.1:
Physical modelling and simulation of the earthquake cycle

Session Summary
Mitsuhiro Matsu'ura
The physics of earthquakes - is it a statistical problem?
Donald L. Turcotte

Loading a subduction fault in earthquake cycles
Kelin Wang

Modeling of plate boundaries and intra-arc active fault systems in and around Japanese islands
Naoshi Hirata, Takaya Iwasaki, Hideo Aochi, and Mitsuhiro Matsu'ura

Modelling stress accumulation and crustal deformation associated with earthquake cycles at plate boundaries
Toshinori Sato and Mitsuhiro Matsu'ura

Physical modelling of tectonic loading processes at transcurrent plate boundaries
Chihiro Hashimoto and Mitsuhiro Matsu'ura

PDF (1181KB) |


Three-dimensional numerical simulation of displacement and stress fields after the 1944 Tonankai and the 1946 Nankai earthquakes
Shoichi Yoshioka





Session 2.2:
Simulation of earthquake rupture, seismic wave propaga- tion and strong motion

Session Summary
Raul Madariaga
Rupture dynamics in 3-D
Raul Madariaga and Kim B. Olsen

Pseudospectral simulation of seismic wave propagation
Takashi Furumura

Dynamic rupture front interaction on 3D planar fault
Eiichi Fukuyama and Raul Madariaga

Sensitivity of 3D rupture dynamics to fault geometry and friction parameters
Stefan B. Nielsen, Jean Carlson and Kim B. Olsen

An expression of stress eld in 3D elastic medium using boundary integral equation method
Hideo Aochi, Eiichi Fukuyama, and Mitsuhiro Matsu'ura
|  PDF (512KB) |

3-D rupture dynamics with kinematic constraints: the 1992 Landers earthquake
Kim B. Olsen and Raul Madariaga

Simulation of earthquake rupture and seismic wave propagation
Takashi Miyatake and Tomohiro Inoue


Numerical simulation of dynamic process of an earthquake
Yongen Cai Ren Wang





Session 2.3:
Simulation and observations of complex interacting fault systems

Session Summary
Steven C. Jaumé
Stress transfer, dynamic triggering, and stress correlations: how earthquake occurrence effects the timing and slip of subsequent earthquakes
Steven C. Jaumé

General earthquake models
John B. Rundle, Tom Henyey, J.-Bernard Minster, and Geoffrey Fox

PDF (251KB) |


Linked stress release model for spatio-temporal seismicity
Chunsheng Lu and David Vere-Jones
|  PDF (206KB) |

Effect of stress history on earthquake timing
Michael L. Blanpied, Joan Gornberg, Nicolas M. Beeler, James H. Dieterich, and Brian D. Kilgore, Paul Bodin

Effect of an outer-rise earthquake on seismic cycle of large intraplate earthquakes estimated from an instability model based on friction mechanics
Naoyuki Kato and Tomowo Hirasawa





Session 3.1:
Macroscopic methods (FEM, FD, PS, SE) of earthquake faulting and waves

Session Summary
Kazuro Hirahara
Development of high-performance parallel finite element system for solid earth - GeoFEM Project
Genki Yagawa, Hiroshi Okuda, and Hisashi Nakamura

Computational challenges in seismology
Jacobo Bielak and Omar Ghattas

Feasibility study of GeoFEM for solving 100 million DOF problems
Kazuteru Garatani

Convergence acceleration method of large-scale parallel iterative solvers for heterogeneous properties
Kengo Nakajima

Quasi-static simulation of seismic cycle of great inter-plate earthquakes following a friction law in laterally heterogeneous viscoelastic medium under gravitation - FEM approach
Kazuro Hirahara

FEM simulation of dynamic sliding of faults connecting static deformation process to dynamic process
Z. Guo, A. Makinouchi, and T.Fujimoto

Nonlinear structural subsystem of GeoFEM for fault zone analysis
Mikio Iizuka

A spectral element method for wave propagation simulation near a fluid-solid interface
Dimitri Komatitsch, Christophe Barnes, and Jeroen Tromp





Session 3.2:
Particle-based methods (LS, Distinct Element, MD) to simulate fault microphysics

Session Summary
David Place
A lattice solid model to simulate the micro-physics of earthquakes: towards 3D large scale simulations
David Place and Peter Mora

Simulation of rock failure and earthquake process on meso-scopic scale
YuCang Wang, XiangChu Yin, Xue-Zhong Chen, KeYin Peng, and ZiPing Song

 

 


Session 4.1:
Inversion and assimilation of geodetic data

Session Summary
B. Minster and T. Sagiya
Continous GPS array of Japan and its application to crustal activity modeling
Takeshi Sagiya

Data assimilation and options in earthquake modeling
Jean-Bernard Minster and Michael Watkins

Use of GPS and InSAR technology and its further development in earthquake modeling
Andrea Donnellan, Gregory Lyzenga, Don Argus, Gilles Peltzer, Jay Parker, Frank Webb, Mike He in, and James Zumberge

Slip history during one earthquake cycle at the Nankai subduc- tion zone, inferred from the inversion analysis of levelling data with a viscoelastic slip response function
Mitsuhiro Matsu'ura, Akira Nishitani and Yukitoshi Fukahata

Nonlinear inversion for earthquake rupture parameters
Peng Cheng Liu and Ralph J. Archuleta

 

 


Session 4.2:
Physical scale dependencies, observed scaling relations and simulation

Session Summary
Mitiyasu Ohnaka
Scale dependence in earthquake processes and seismogenic structures
Keiiti Aki

A unified comprehension for fracture of intact rock, frictional slip failure, and earthquake rupture, and scaling of scaledependent physical quantities inherent intherupture
Mitiyasu Ohnaka

Constraining the physics of earthquakes with observations
Bruce Shaw

Earthquake nucleation and its relationship to earthquake clustering
James H. Dieterich

Regional difference in scaling laws for large earthquakes and its tectonic implication
Yoshihiro Fujii and Mitsuhiro Matsu'ura

The self-organization of aftershocks
L. Knopoff and M.W.Lee

 

 


Session 5.1:
General session for earthquake forecasting and hazard quantification

Session Summary
David D. Jackson

PDF (93KB) |


Global earthquake potential, 1999
David D. Jackson and Yan Kagan

Application of artificial intelligence in earthquake forecasting
Zhou Shengkui, Wang Chengmin and Ma Li

Attempts at using seismicity indicators for the prediction of large earthquakes by Genetic Algorithm-Neural Network method
Ma Li, Zhu Lieyuan and Shi Yaolin

Systematic global testing of intermediate-term earthquake prediction algorithms
Jean-Bernard Minster and Nadya Williams

Evaluation of spatio-temporal seismicity change
Akio Yoshida and Kohji Hosono

Development of a new approach for earthquake prediction - load/unload response ratio
XiangChu Yin, XueZhong Cheng, YuCang Wang, HaiTao Wang, KeYin Peng, Yongxian Zhang, and JianCang Zhuang

The cause of Australian intraplate tectonism
Kevin McCue

Accelerating energy release prior to large events in simulated earthquake cycles: implications for earthquake forecasting
Peter Mora and David Place

Determination of site-response and attenuation in Brisbane, Australia
Michael Winter, Steven Jaume and Russell Cuthbertson

Site amplification quantification through simulation of ground motion
Akio Yoshida and Kohji Hosono

Loma Prieta seismicity: prediction errors differ significantly from independent identically distributed surrogates
Nick Fitton and Frank Horowitz

 

 


Appendices
ACES International Science Board
 

List of workshop participants
 

Workshop sponsors
 





1nd ACES (APEC Cooperation for Earthquake Simulation) Workshop in Australia

E-mail: aces@quakes.uq.edu.au