memories of prof. m. shinozukarisk.arch.t.u-tokyo.ac.jp/apssra2020_shino/4_yamazaki.pdfrandom fields...
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Memories of Prof. M. Shinozuka- Stochastic FEM, Lifelines, and Remote Sensing -
Fumio YamazakiResearch Fellow, NIED, Japan.
Professor Emeritus, Chiba University, Japan.
October 7, 2020
APSSRA Shinozuka Memorial session
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Year Prof. Masanobu Shinozuka Affiliation Research topics
1930 1930.12.23 born in Tokyo
1940
1950 1953 BS, Kyoto University1955 MS, Kyoto University
KyotoColumbia
reliability theory
1960 1960 PhD, Columbia University1969 Professor
Columbia Monte Carlo simulation
1970 Columbia system identification/control, stochastic dynamics
19801988 Princeton University
ColumbiaPrinceton
lifelinestochastic FEM
1990 1990 Director, NCEER1995 USC
PrincetonUSC
earthquake engineeringadvanced technologies (including remote sensing and GIS)
2000 2001 UC Irvine USCUC Irvine
risk managementmonitoring of infrastructures
20102018
2010. 12.23 80th Birthday2018. 11. 5 passed away
Columbia
History of Prof. M. Shinozuka
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Title Citation YearA framework to quantitatively assess and enhance the seismic resilience of communities M Bruneau, SE Chang, RT Eguchi, GC Lee, TD O’Rourke, AM Reinhorn, ...Earthquake spectra 19 (4), 733-752
2909 2003
Digital simulation of random processes and its applications M Shinozuka, CM Jan Journal of sound and vibration 25 (1), 111-128 1845 1972
Statistical analysis of fragility curves M Shinozuka, MQ Feng, J Lee, T Naganuma Journal of engineering mechanics 126 (12), 1224-1231 1299 2000
Simulation of stochastic processes by spectral representation M Shinozuka, G Deodatis 1233 1991
Simulation of multivariate and multidimensional random processes M Shinozuka The Journal of the Acoustical Society of America 49 (1B), 357-368 737 1971
Basic analysis of structural safety M Shinozuka Journal of Structural Engineering 109 (3), 721-740 638 1983
Monte Carlo solution of structural dynamics M Shinozuka Computers & Structures 2 (5-6), 855-874 618 1972
Neumann expansion for stochastic finite element analysis F Yamazaki, M Shinozuka, G Dasgupta Journal of engineering mechanics 114 (8), 1335-1354 610 1988
Measuring improvements in the disaster resilience of communities SE Chang, M Shinozuka Earthquake spectra 20 (3), 739-755 528 2004
Nonlinear static procedure for fragility curve development M Shinozuka, MQ Feng, HK Kim, SH Kim Journal of engineering mechanics 126 (12), 1287-1295 477 2000
Simulation of multi-dimensional Gaussian stochastic fields by spectral representation M Shinozuka, G Deodatis 451 1996
Simulation of nonstationary random process M Shinozuka, Y Sato Journal of the Engineering Mechanics Division 93 (1), 11-40 429 1967
The analysis of structural safety .AM Freudenthal, JM Garrelts, M Shinozuka Columbia Univ New York Inst For The Study Of Fatigue And Reliability 415 1964
Digital generation of non-Gaussian stochastic fields F Yamazaki, M Shinozuka Journal of Engineering Mechanics 114 (7), 1183-1197 373 1988
Random fields and stochastic finite elements E Vanmarcke, M Shinozuka, S Nakagiri, GI Schueller, M Grigoriu Structural safety 3 (3-4), 143-166 369 1986
A vision-based system for remote sensing of bridge displacement JJ Lee, M Shinozuka Ndt & E International 39 (5), 425-431 354 2006
Structural-system identification. I: Theory R Ghanem, M Shinozuka Journal of Engineering Mechanics 121 (2), 255-264 345 1995
Response variability of stochastic finite element systems M Shinozuka, G Deodatis Journal of Engineering Mechanics 114 (3), 499-519 319 1988
Real-time displacement measurement of a flexible bridge using digital image processing techniques JJ Lee, M Shinozuka Experimental mechanics 46 (1), 105-114
276 2006
Masanobu ShinozukaProfessor of Civil Engineering and Engineering Mechanics, Columbia UniversityContinuum mechanics, stochastic processes, structural dynamics and control, earthquake and wind engineering
Citation: 30,043h Index: 77i10 Index: 323
After Google Scholar
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1984-1986 Columbia University
1984/ 09/22 1986/ 08/01
1984/ 10/05
Picnic
ASCE congress @San Francisco
1984/ 10/06
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1984-1986 My research work at Columbia UniversityYamazaki, F. and Shinozuka, M., Digital Simulation of Non-Gaussian Stochastic Fields, Journal of Engineering Mechanics, ASCE, Vol. 114, No. 7, 1988. Citation by SCOPUS: 229
Google Scholar: 373
2D PowerSpectral DensityFunction
Simulated sample function
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1984 - 1986 My Research work at Columbia University
Yamazaki, F., Shinozuka, M., and Dasgupta, G., Neumann Expansion for Stochastic Finite Element Analysis, Journal of Engineering Mechanics, ASCE, Vol. 114, No. 8, 1988.
Citation by SCOPUS: 389Google Scholar: 610
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1st International Conference on Computational Stochastic Mechanics Celebration of Shono’s 60-years Birthday Corfu, Greece, 1991.8
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8February 1999, Taipei, Taiwan
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River
Sylmar
Toluca
Harbor
Valley
Tarzana
Atwater
Olympic
Airport
Fairfax
Rinaldi
Century
Velasco
HynessG
HarborG
CasticG
Gramercy
St. John
Halldale
Glendale
Adelanto
Hollywood
Northridge
Wilmington
Victorvlle
Scattergood
ScattergoodG
Santa Monica Bay
LongBeach
SealBeach
Land.shpOcean.shp
Area.shp12
Line.shp
Sub_station.shp# Receiving Station$ Generating Station(Thermal)% Power Plant(Hydro)
Part of Western Systems CoordinatingCouncil’s (WSCC’s) network covering 14US western states, 2 Canadian provincesand northern part ofBaja California
LADWP Service Areas
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PGA (g)Pr
obab
ility
of F
ailu
re
Case1Case2TriNetUSGS1247811
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Fragility Curves for Transformers
Seismic Performance Analysis of Electric Power Systems
M. ShinozukaUniversity of California, Irvine
APEC Seminar on Earthquake Disaster Management of Energy Supply SystemsChinese Taipei September 5 and 6, 2001
Lifeline and Prof. Shinozuka
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Effect of earthquake ground motions on fragility curves of highway bridge piers based on numerical simulation
Acceleration Time History
I. Ground Motion II. Dynamic Response Analysis
IV. Fragility Curves
III. Damage CriteriaA. Damage Classification
B. Damage Indices (DI)
Restoring-Force RulesAnalytical Model
u
hdDI .
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PGA (cm/s2)
Prob
abilit
y
Park and Ang, 1985
Karim and Yamazaki (2001) EESD
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PGV (cm/s)Pr
obab
ility
C
BA
As
Fragility curves for a 1964 pier with respect to PGV
hP=8.5 m
W=5163 kN
c c
4 m
hP=8.5 m
W=5163 kN
c c
4 m
Google Scholar: 248
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Prof. Shinozuka visited E-Defense construction site in Miki, Hyogo, Japan 2000. 7.13Many US-Japan projects after 1994 Northridge and 1995 Kobe EQs
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U.S.-Japan Cooperative Research in Urban Earthquake Disaster Mitigation15-16 August 2001, Seattle, Washington
Many US-Japan projects after 1994 Northridge and 1995 Kobe EQs
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USC-DRB building after introducing damage
Resolution 2m by 2m
USC-DRB & KAP buildings before introducing damage
2003 1st Remote Sensing WS @UCI
2000 MCEER-EDM Workshop@ Newport Beach
SAR Simulation of Urban AreasShinozuka et al. 2000
Remote Sensing and Prof. Shinozuka
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Extraction of Damage Areas in 1995 Kobe EQ using ERS/SAR
Red: Very severe damage areaYellow: Severe damage areaDifference of Backscattering Coefficient [dB]
Cor
rela
tion
Coe
ffici
ent o
f Int
ensit
y Im
ages F iltering Window : 21 x 21
Calculation Window : 13 x 13 95/05-94/10 95/05-94/06 95/05-93/08 95/05-92/11
-3 -2 -1 0 1 2
0
0.5
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Very severe damage area
Severe damage area
Difference of backscattering coefficient (1995/5/23 – 1994/6/3) Correlation coefficient
r N IaiIbi Iai Ibi
i1
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i1
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i1
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N Iai2 Iai
i1
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i1
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N Ibi
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i1
N
Matsuoka and Yamazaki (2004) EQS
Google Scholar: 265
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Keynote Speaker and Karaoke Singer
3rd International Workshop on Remote Sensing for Post-Disaster Response
September 12th, 2005 Chiba University, Japan
Keynote Lecture by M. Shnozuka“Application of Remote Sensing Technology in Natural Hazard Assessment”
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MULTIDISCIPLINARY CENTER FOR EARTHQUAKE ENGINEERING RESEARCH3rd International Workshop on Remote Sensing and Disaster Response, Chiba, Japan, September 12-13, 2005
1. Post-disaster damage & situation assessment
2. Field reconnaissance - damage data collection & visualization
3. Building inventory for loss estimation
Year 8 Accomplishments
Lat Long, Dist, status, etc..Lat Long, Dist, status, etc..
MCEER’s Remote Sensing Program Masanobu ShinozukaUniversity of California, Irvine
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International Symposium on Stochastic Analyses for Risk Management (SARM2010)
Tokyo Forum, December 23, 2010
80th Birthday of Prof. Shinozuka
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Emergence of Computational Stochastic SystemsResponse Monitoring for System Modeling and Calibration
Masanobu ShinozukaUniversity of California, Irvine
International Symposium on Stochastic Analysis for Risk Management (SARM 1 2010)Tokyo International Forum, Tokyo, Japan, December 23, 2010
0 10 20 30 40 50 60 700
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1.52
2.53
Time [sec]
Dis
plac
emen
t [m
m]
Displ. Transducer
0 10 20 30 40 50 60 700
0.51
1.52
2.53
Time [sec]
Dis
plac
emen
t [m
m]
Laser Vibrometer
0 10 20 30 40 50 60 700
0.51
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Dis
plac
emen
t [m
m]
Image Processing
15 tons 30 tons 40 tons
15 tons 30 tons 40 tons
15 tons 30 tons 40 tons
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Jogawa Bridge(126.0m)
1000
m 1000
m
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21. Oct. 201013. Mar. 2011
Difference, d
Correlation coefficient, r
Orbit Dir. : Desc.Look Dir. : RightImaging Mode : StripMapPixel Res. : 1.25m/pixPolarization : HHProduct Level : EEC
9x9 window 9x9 window
Difference Correlation Coefficient
Detection of collapsed bridges from TerraSAR-X images
TSX data provided by PASCO Co.
F. Yamazaki, K. Inoue, W. Liu (2016) SM & MS
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Extraction of collapsed bridges based on the relationship between the difference and correlation coefficient from SAR images
(a)
F. Yamazaki, K. Inoue, W. Liu, Damage assessment of bridges using spatial characteristics of high-resolution satellite SAR intensity images, Stochastic Mechanics SM&MS 2016, vol. VI, No. 1, Capri, Italy, 2016.
Correlation Coefficent
Difference
‐0.2
0.0
0.2
0.4
0.6
0.8
1.0
‐14.0 ‐12.0 ‐10.0 ‐8.0 ‐6.0 ‐4.0 ‐2.0 0.0 2.0 4.0
Correlation Co
efficient, r
Diff. of the Backscattering Coefficients, d (dB)
SurvivedCollapsed
0.47
F. Yamazaki, K. Inoue, W. Liu (2016) SM& MS
Collapsed
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1.00
‐0.2‐0.1 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Cumulative Prob
ability
Correlation Coefficient, r
Collapsed
Survived
0.47
(b)
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Last Reunion with Prof. Shinozuka ICOSSAR 2013 @New York City
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Prof. Shinozuka:
We appreciate all your supports to guide us to academia.
You are my great mentor over 30 years.
We pray your soul may rest in peace.