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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

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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0 0.2 0.4 0.6 0.8 1 1.2 1.4

PGA (g)Pr

obab

ility

of F

ailu

re

Case1Case2TriNetUSGS1247811

78

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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 .

0.0

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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

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

1

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

N

i1

N

i1

N

N Iai2 Iai

i1

N

2

i1

N

N Ibi

2 Ibii1

N

2

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”

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

0.51

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

1.52

2.53

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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

-20

20

-0.9

0.9

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

0.00

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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.