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Computational Challenges in River Morphodynamics by Iric Computational Challenges in River Morphodynamics by iRIC Yasuyuki Shimizu, Hokkaido University, Japan Yasuyuki Shimizu 清水 康行 Professor, Laboratory of Hydraulic and Research (Civil Engineering) Graduate School of Engineering Hokkaido University 北海道大学（札幌） Field of Interst: Water Related Disaster Prevention Research Hydraulic Engineering Water Resources Engineering Computational Fluid Dynamics, and Computational Models 2 Hokkaido Area: 83,000km2 SAPPORO Population: 5,700,000 Sapporo Population: 1,900,000 3 Where Hokkaido University is Main campus located in Sapporo, Hokkaido Hokkaido University Sapporo campus Another campus in Hakodate (Grad. School of Fisheries Sciences) Several off-campus facilities mostly in Hokkaido Established in 1876 11,000 Under Graduate Students 6,000 Graduate Students 2,000 Teaching Staff 1,800 Non-Teaching Staff 12 Faculties + 10 Institutes 5 6 7 K.Asahi, Y. Yoshida, H.Tsunematsu, Y. Shimizu and J. Nelson(2012), Development of the iRIC Software for River analysis 8 K.Asahi, Y. Yoshida, H.Tsunematsu, Y. Shimizu and J. Nelson(2012), Development of the iRIC Software for River analysis 9 K.Asahi, Y. Yoshida, H.Tsunematsu, Y. Shimizu and J. Nelson(2012), Development of the iRIC Software for River analysis 10 Typhoon passes between 1951 and 2018 of September 国立情報学研究所・デジタル台風サイトより12 August 2016 in Hokkaido Abashiri 網走 留萌Rumoi 旭川Asahi Kitami kawa 北見 Typhoon台風7号 #7 178/17th AUG上陸 Otaru小樽 札幌Sapporo 釧路 帯広Obihiro Kushiro Typhoon台風11号 #11 8/21th 上陸 室蘭Muroran 21 AUG Typhoon #10 Typhoon台風9 号#9 31th AUG台風10号 23th8/23AUG上陸 Hakodate函館 Precipitation between 1:00 15th AUG and 24:00 24th AUG First three Typhoons Precipitation between 1:00 29th AUG and 9:00 31th AUG Kushinai 29th-31th AUG 515mm Sorachi River, AUG 2016 Hokkaido, Japan 動画：北海道開発局 Akatani River in Kyushu, 2017 International River Interface Corporative Kinu River Flood, September 2015 iRIC 9月9日 16:00 9月9日 20:00 9月10日 0:00 9月10日 3:00 Strong19 rain band stayed along the River for 2 days International River Interface Corporative iRIC International River Interface Corporative iRIC 家屋被災 2003 Appetsu River, Hidaka, Hokkaido, Japan 22 23 24 Seki River, JUN 1995 25 26 Pekerebetsu River, 2016 Hokkaido 写真提供：(株）パスコ 27 International River Interface Corporative Introduction to iRIC Project iRIC International River Interface Cooperative Copyright iRIC Project. 28 What is iRIC? International River Interface Cooperative iRIC is a public-domain modeling interface and an associated group of open-source models that can be used to simulate flow, sediment transport, channel and bank evolution and habitat in riverine environments across a wide range of temporal and spatial scales Using iRIC does not mean you need to use the models we present! Interface developed by USGS for Interface developed by Hokkaido FASTMECH and STORM Uni. and HRDPRC for NAYS MD_SWMS RIC-NAYS iRIC 1.0 (Old Version, 2009) FASTMECH, NAYS2D, MORPHO2D, STORM iRIC 2.0 (Released on 25 May, 2012) NaysCube(3D), NaysFlood, Delft3D, River2D….. Confluences, Inundation, Multi Inflow, Bank erosion, Mixture Grain Size, Ground Water, Habitat, Multi Language ・・・・・ iRIC 2.3 (Released on 23 Jun, 2014) + Nays2DH, Mflow_02, CERI1D, NaysEddy, ELIMO, SRM・・・・・ 30 International River Interface Corporative International River iRIC Interface Cooperative iRIC Project iRIC Japan ・Universities ・USGS(USA), Illinoi Univ. ・Research Institutes ・Dltaras(Netherlands） ・Foundations ・Alverta Univ.(Canada) ・Consulting ・Torento Univ.(Italy) Companies ・EDF(France, UK) ・IT Companies ・SNU(Korea) ・Tsinghua University (China) Outline of iRIC Import Data Data Exporting Pre Processing User’s Post Processing GUI Tools Solvers GUI Tools Vector, Contour, Shading, Editing Geographic Data RIC iRIC Stream Line, Particle Grid Generation and Eidt Libraries Libraries Line Graph….. 2D, 3D Fortran、C …. Structured, Unstructured 1D, 2D, 3D, Structured, Flow, Bed and Bank EvolutionUnstructured Public Domain Solvers Solvers Line-Up for iRIC • FASTMECH (2D Steady) • STORM (2D Unstructured) Nays2DH • Nays2D (2D Unsteady) • Morpho2D (2D Unsteady) • NaysCube(3D) iRIC Version 1.0 • Nays2DFlood(Inundation) • Delft3D(Delft Flow), River2D Nay = “River” in Hokkaido’s • CERI1D(Flow with Ice), Nays1D Original Language • EvaTrip(Environmental Planning) • ERIMO(Tsunami) • Morpho2D(Debris Flow) • Mflow_2(2D FEM) Version 2.3 Version 3.0 (APL 2018) • SRM(Ruoff Model) (JUN 2014) • NaysEddy(3D LES) Coming Soon! • RRI(Rain-Runff-Inundation) • NaysHybrid(1D and 2D Coupling), TELEMAC, Nays2dV Copyright iRIC Project. 33 International River Interface Corporative http://i-ric.org/en/ iRIC 34 iRIC version2.0 www.i-ric.org International River Interface Corporative iRIC Seminars iRIC Nepal, MAR 2012 Pittsburgh, USA, APR 2012 Seoul, Korea , JAN 2013 35 International River Interface Corporative iRIC Class in Kairo Egypt, JAN 2011 iRIC iRIC version2.0 www.i-ric.org International River Interface Corporative Jakarta 16-20 SEP 2013, Organized by JICA iRIC 37 iRIC version2.0 www.i-ric.org International River Interface Corporative iRIC 2014.7.3 Nagoya University 2014.7.26 IIT New Delhi India iRIC version2.0 www.i-ric.org International River Interface Corporative 1-3, April 2015 in Bangkok iRIC 39 iRIC version2.0 www.i-ric.org International River Interface Corporative iRIC 30-31 AUG, 2016 Colombo Sri Lanka iRIC version2.0 www.i-ric.org International River Interface Corporative 2015.11.24-26 Nagoya iRIC 41 iRIC version2.0 www.i-ric.org International Katmandu, Nepal, 1 MAR, 2016 River Interface Corporative iRIC 42 iRIC version2.0 www.i-ric.org International River Interface Corporative iRIC 16-19 April 2016, Tucson Arizona USA 43 iRIC version2.0 www.i-ric.org International Beijing, China, NOV 19-23 2014 River Interface Corporative iRIC 12-14 November 2014 at Kyushuu Univ. 44 iRIC version2.0 www.i-ric.org International River Interface Corporative IAHR-APD 2014, Hanoi Vietnam iRIC 45 iRIC version2.0 www.i-ric.org International River Interface Corporative iRIC Seminar in Colombia, 17-20 OCT, 2017, Bogota iRIC iRIC version2.0 www.i-ric.org International River Interface Corporative iRIC Jog Jakarta 30-31, August 2018 47 登録ユーザー数(人) iRIC 10000 1000 2000 3000 4000 5000 6000 7000 8000 9000 0 user registration user numbersregistration ➢ ➢ 2011年1月 2011年4月 than 20,000 users in than 20,000 users in the world 45,000 downloads years, 3 and morein the past 10 years past 50times More than 2011年7月 2011年10月 2012年1月 2012年4月 2012年7月 2012年10月 2013年1月 2013年4月 2013年7月 2013年10月 2014年1月 iRIC 2014年4月 2014年7月 classes in the world world in the the in classes 2014年10月 2015年1月 2015年4月 2015年7月 2015年10月 English 2016年1月 2016年4月 2016年7月 Jaanese 2016年10月 Site 2017年1月 2017年4月 2017年7月 2017年10月 Site 2018年1月 2018年4月 48 2018年7月 2018年10月 Copyright iRIC Project. 1 International River Interface Cooperative What is iRIC? International River Interface Cooperative iRIC is a public-domain modeling interface and an associated group of open-source models that can be used to simulate flow, sediment transport, channel and bank evolution and habitat in riverine environments across a wide range of temporal and spatial scales Examples Toyohira river, Sapporo, Japan Flow and bed deformation in Kinoshita meandering channel You can create your own virtual flume, and perform numerical experiments. Flow and bed deformation in Kinoshita meandering channel with spur dikes You can put your computational results at any place on the earth 6 Bank Erosion and Meandering of Otofuke River, Hokkaido, Japan (2016) 2011.9.6 The Otofuke River, Hokkaido, Japan 7 Flow, bed and bank evolution by Nays2D Flood Simulation of Metropolitan Bangkok Area in 2011 2-dimensional Flow over Dune Fresh Water Salty Water 2-dimensional Density Current 3D Turbulent Flow over Dunes NaysEddy : 3-D flow with Large Eddy Simulation model coherent structures vortices Copyright (C) 2015 iRIC Project . All Rights Reserved by M. Nabi (2014) Levee breach simulation by Nays2DH in iRIC Bomber Cell Artificial flood by bank explosion in Mississippi River, USA 14 (by T. Tanaka) Boom Inundation simulation by Nays2DH in Mississippi Flood Way by Tanaka and Shimizu Nepal Koshi Barrage Built in 1968 L=1,1150m 52 Gates India 16 Histrical Floods in Koshi River Chakraborty et al. 2010 17 The channel avulsion in 2008 Sediment Flooding 18 2008 Water Depth Sediment Erosion/Deposition 19 International 2015 Myanmar Floods River Interface Corporative • Comparison of inundated area with calculation results iRIC Background image: Myanmar: Flood Inundated Area in Kale Townships, Sagaing Region (as of 29 Jul. 2015 12:11) http://reliefweb.int/map/myanmar/myanmar-flood-inundated-area-kale-townships-sagaing-region-29th-july-2015-1211-am-local (Abe, 2016) Drift Wood Simulation by I. Kimura(2018) Decreasing Discharge Drift Wood Deposition on Alternate Bars International Moving boundary River Interface Corporative Fish and Flow iRIC Fish ascending through fishway Río Ucayali, Peru ~32 years (1982-2015) Landsat Image Alexander B. Bryk (2015) Meander migration of Ichilo River and Sajta River, Bolivia Ivirgarzama Ichilo River River Puerto Villarroel Ichilo 2000 River m Sajta River Source: Google Earth Engine (30 years variation) Width: 250-300 m Free Meandering River 2011 East Japan Great Earthquake and Tunama, Rikuzen Takada City BeforeAfter Pine Tree Foresets 2,000 people, 10% of the total population is killed or missing in this city. 28 資料：東北開発建設 部 International River Interface Corporative iRIC 29 Simulation of flooding caused by Tsunami runup by S. Kawamura Water Depth 0.0 7.0(m) 30 Tsunami Simulation by ERIMO By Y. Watanabe (2018) Kinu River Flood of 2015 By Y. Ishida(2015) Akatani River in Kyushu, 2017 By Y. Ishida(2017) Levee Breach and Inundation in Sorachi River, 2016 By Y. Ishida(2016) Land Slide and Debris Flow in Hiroshima 2018 撮影： 株式会社パスコ/ 国際航業株式会社 2018年7月10日(火) Simulated Maxiumum Deposition By H. Takebayashi (2018) Atsuma Town, Hokkaido Velocity：13.5m/s（49km/hr） Deposition of debris：6m Land slide assumed to became debris flow by Takebayashi(2018) Dam break in Laos, 2018 By Sanit Wongsa Flooding simulation and visualization using Street View by T. Tanaka and T. Inoue(2018) 38 Flooding simulation and visualization using Street View by T. Tanaka and T.
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