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3. Model Analysis

Author

Chaudhry, Aqeel Afzal, Nagel, Thomas, Zhao, Juan, Düsterloh, Uwe, Zhao, Jingbo, Chen, Liang, Wang, Ju, Liu, Yuemiao, Cao, Shengfei, Zhang, Qi, Shao, Haibing, Chen, Chaofan, Yuan, Tao, Lu, Renchao, Fischer, Cornelius, Kolditz, Olaf, Kolditz, Olaf, Series Editor, Shao, Hua, Series Editor, Wang, Wenqing, Series Editor, Görke, Uwe-Jens, Series Editor, Bauer, Sebastian, Series Editor, Shao, Haibing, editor, Wang, Ju, editor, Schäfer, Thorsten, editor, Zhang, Chun-Liang, editor, Geckeis, Horst, editor, Nagel, Thomas, editor, and Düsterloh, Uwe, editor

Published
2024
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4. Introduction

Author

Shao, Haibing, Wang, Ju, Schäfer, Thorsten, Zhang, Chun-Liang, Geckeis, Horst, Nagel, Thomas, Düsterloh, Uwe, Kolditz, Olaf, Shao, Hua, Kolditz, Olaf, Series Editor, Shao, Hua, Series Editor, Wang, Wenqing, Series Editor, Görke, Uwe-Jens, Series Editor, Bauer, Sebastian, Series Editor, Shao, Haibing, editor, Wang, Ju, editor, Schäfer, Thorsten, editor, Zhang, Chun-Liang, editor, Geckeis, Horst, editor, Nagel, Thomas, editor, and Düsterloh, Uwe, editor

Published
2024
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5. Synthesis and Outlook

Author

Shao, Haibing, Wang, Ju, Schäfer, Thorsten, Zhang, Chun-Liang, Geckeis, Horst, Nagel, Thomas, Düsterloh, Uwe, Kolditz, Olaf, Shao, Hua, Kolditz, Olaf, Series Editor, Shao, Hua, Series Editor, Wang, Wenqing, Series Editor, Görke, Uwe-Jens, Series Editor, Bauer, Sebastian, Series Editor, Shao, Haibing, editor, Wang, Ju, editor, Schäfer, Thorsten, editor, Zhang, Chun-Liang, editor, Geckeis, Horst, editor, Nagel, Thomas, editor, and Düsterloh, Uwe, editor

Published
2024
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6. Fazit und Ausblick

Author

Randow, Jakob, Bucher, Anke, Görke, Uwe-Jens, Grimm, Rüdiger, Hastreiter, Nele, Kolditz, Olaf, Lubashevsky, Katrin, Richter, Simon, Rink, Karsten, Schönfelder, Stephan, Shao, Haibing, Vienken, Thomas, Zschoke, H. Konstanze, Bucher, Anke, editor, Shao, Haibing, editor, Grimm, Rüdiger, editor, Schönfelder, Stephan, editor, Randow, Jakob, editor, Vienken, Thomas, editor, Rink, Karsten, editor, and Zschoke, Konstanze, editor

Published
2024
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7. Einführung in das Verbundvorhaben Easyquart

Author

Bucher, Anke, Görke, Uwe-Jens, Grimm, Rüdiger, Hastreiter, Nele, Kolditz, Olaf, Lubashevsky, Katrin, Randow, Jakob, Richter, Simon, Rink, Karsten, Schönfelder, Stephan, Shao, Haibing, Vienken, Thomas, Zschoke, H. Konstanze, Bucher, Anke, editor, Shao, Haibing, editor, Grimm, Rüdiger, editor, Schönfelder, Stephan, editor, Randow, Jakob, editor, Vienken, Thomas, editor, Rink, Karsten, editor, and Zschoke, Konstanze, editor

Published
2024
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8. Orthogonal decomposition of anisotropic constitutive models for the phase field approach to fracture

Author

Ziaei-Rad, Vahid, Mollaali, Mostafa, Nagel, Thomas, Kolditz, Olaf, and Yoshioka, Keita

Subjects
Mathematics - Numerical Analysis
Abstract

We propose a decomposition of constitutive relations into crack-driving and persistent portions, specifically designed for materials with anisotropic/orthotropic behavior in the phase field approach to fracture to account for the tension-compression asymmetry. This decomposition follows a variational framework, satisfying the orthogonality condition for anisotropic materials. This implies that the present model can be applied to arbitrary anisotropic elastic behavior in a three-dimensional setting. On this basis, we generalize two existing models for tension-compression asymmetry in isotropic materials, namely the volumetric-deviatoric model and the no-tension model, towards materials with anisotropic nature. Two benchmark problems, single notched tensile shear tests, are used to study the performance of the present model. The results can retain the anisotropic constitutive behavior and the tension-compression asymmetry in the crack response, and are qualitatively in accordance with the expected behavior for orthotropic materials. Furthermore, to study the direction of maximum energy dissipation, we modify the surface integral based energy release computation, $G_\theta$, to account only for the crack-driving energy. The computed energies with our proposed modifications predict the fracture propagation direction correctly compared with the standard G-theta method.

Published
2022
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10. Synthesis and Outlook

Author

Kolditz, Olaf, Cajuhi, Tuanny, Günther, Ralf-Michael, Steeb, Holger, Wuttke, Frank, Yoshioka, Keita, Grunwald, Norbert, Nagel, Thomas, Lohmann, Gerrit, Series Editor, Notholt, Justus, Series Editor, Rabassa, Jorge, Series Editor, Unnithan, Vikram, Series Editor, Kolditz, Olaf, editor, Yoshioka, Keita, editor, Cajuhi, Tuanny, editor, Günther, Ralf-Michael, editor, Steeb, Holger, editor, Wuttke, Frank, editor, and Nagel, Thomas, editor

Published
2023
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11. Introduction to GeomInt2

Author

Nagel, Thomas, Cajuhi, Tuanny, Günther, Ralf-Michael, Maßmann, Jobst, Wuttke, Frank, Yoshioka, Keita, Kolditz, Olaf, Lohmann, Gerrit, Series Editor, Notholt, Justus, Series Editor, Rabassa, Jorge, Series Editor, Unnithan, Vikram, Series Editor, Kolditz, Olaf, editor, Yoshioka, Keita, editor, Cajuhi, Tuanny, editor, Günther, Ralf-Michael, editor, Steeb, Holger, editor, Wuttke, Frank, editor, and Nagel, Thomas, editor

Published
2023
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12. Virtual Reality and Computational Efficiency

Author

Rink, Karsten, Graebling, Nico, Bilke, Lars, Buchwald, Jörg, Fischer, Thomas, Lehmann, Christoph, Meisel, Tobias, Naumov, Dmitri, Wang, Wenqing, Yoshioka, Keita, Kolditz, Olaf, Lohmann, Gerrit, Series Editor, Notholt, Justus, Series Editor, Rabassa, Jorge, Series Editor, Unnithan, Vikram, Series Editor, Kolditz, Olaf, editor, Yoshioka, Keita, editor, Cajuhi, Tuanny, editor, Günther, Ralf-Michael, editor, Steeb, Holger, editor, Wuttke, Frank, editor, and Nagel, Thomas, editor

Published
2023
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21. Comparative verification of hydro-mechanical fracture behavior: Task G of international research project DECOVALEX–2023

Author

Mollaali, Mostafa, Kolditz, Olaf, Hu, Mengsu, Park, Chan–Hee, Park, Jung–Wook, McDermott, Christopher Ian, Chittenden, Neil, Bond, Alexander, Yoon, Jeoung Seok, Zhou, Jian, Pan, Peng–Zhi, Liu, Hejuan, Hou, Wenbo, Lei, Hongwu, Zhang, Liwei, Nagel, Thomas, Barsch, Markus, Wang, Wenqing, Nguyen, Son, Kwon, Saeha, Lee, Changsoo, and Yoshioka, Keita

Published
2023
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22. Artificial intelligence and visual analytics in geographical space and cyberspace: Research opportunities and challenges

Author

Chen, Min, Claramunt, Christophe, Çöltekin, Arzu, Liu, Xintao, Peng, Peng, Robinson, Anthony C., Wang, Dajiang, Strobl, Josef, Wilson, John P., Batty, Michael, Kwan, Mei-Po, Lotfian, Maryam, Golay, François, Joost, Stéphane, Ingensand, Jens, Senousi, Ahmad M., Cheng, Tao, Bandrova, Temenoujka, Konecny, Milan, Torrens, Paul M., Klippel, Alexander, Li, Songnian, Zhang, Fengyuan, He, Li, Wang, Jinfeng, Ratti, Carlo, Kolditz, Olaf, Lin, Hui, and Lü, Guonian

Published
2023
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25. Synthesis and Outlook

Author

Kolditz, Olaf, Görke, Uwe-Jens, Konietzky, Heinz, Maßmann, Jobst, Nest, Mathias, Steeb, Holger, Wuttke, Frank, Nagel, Thomas, Kolditz, Olaf, Series Editor, Shao, Hua, Series Editor, Wang, Wenqing, Series Editor, Görke, Uwe-Jens, Series Editor, Bauer, Sebastian, Series Editor, Konietzky, Heinz, editor, Maßmann, Jobst, editor, Nest, Mathias, editor, Steeb, Holger, editor, Wuttke, Frank, editor, and Nagel, Thomas, editor

Published
2021
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26. Data Management

Author

Helbig, Carolin, Görke, Uwe-Jens, Nest, Mathias, Pötschke, Daniel, Sattari, Amir Shoarian, Schmidt, Patrick, Vowinckel, Bernhard, Yoshioka, Keita, Kolditz, Olaf, Kolditz, Olaf, Series Editor, Shao, Hua, Series Editor, Wang, Wenqing, Series Editor, Görke, Uwe-Jens, Series Editor, Bauer, Sebastian, Series Editor, Konietzky, Heinz, editor, Maßmann, Jobst, editor, Nest, Mathias, editor, Steeb, Holger, editor, Wuttke, Frank, editor, and Nagel, Thomas, editor

Published
2021
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27. Model-Experiment-Exercises (MEX)

Author

Vowinckel, Berhard, Frühwirt, Thomas, Maßmann, Jobst, Nagel, Thomas, Nest, Mathias, Ptschke, Daniel, Rölke, Christopher, Sattari, Amir Shoarian, Schmidt, Patrick, Steeb, Holger, Yoshioka, Keita, Ziefle, Gesa, Kolditz, Olaf, Kolditz, Olaf, Series Editor, Shao, Hua, Series Editor, Wang, Wenqing, Series Editor, Görke, Uwe-Jens, Series Editor, Bauer, Sebastian, Series Editor, Konietzky, Heinz, editor, Maßmann, Jobst, editor, Nest, Mathias, editor, Steeb, Holger, editor, Wuttke, Frank, editor, and Nagel, Thomas, editor

Published
2021
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28. Introduction to GeomInt

Author

Nagel, Thomas, Görke, Uwe-Jens, Konietzky, Heinz, Maßmann, Jobst, Nest, Mathias, Steeb, Holger, Wuttke, Frank, Kolditz, Olaf, Kolditz, Olaf, Series Editor, Shao, Hua, Series Editor, Wang, Wenqing, Series Editor, Görke, Uwe-Jens, Series Editor, Bauer, Sebastian, Series Editor, Konietzky, Heinz, editor, Maßmann, Jobst, editor, Nest, Mathias, editor, Steeb, Holger, editor, Wuttke, Frank, editor, and Nagel, Thomas, editor

Published
2021
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29. Digitalisation for nuclear waste management: predisposal and disposal

Author

Kolditz, Olaf, Jacques, Diederik, Claret, Francis, Bertrand, Johan, Churakov, Sergey V., Debayle, Christophe, Diaconu, Daniela, Fuzik, Kateryna, Garcia, David, Graebling, Nico, Grambow, Bernd, Holt, Erika, Idiart, Andrés, Leira, Petter, Montoya, Vanessa, Niederleithinger, Ernst, Olin, Markus, Pfingsten, Wilfried, Prasianakis, Nikolaos I., Rink, Karsten, Samper, Javier, Szöke, István, Szöke, Réka, Theodon, Louise, and Wendling, Jacques

Published
2023
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37. Thermo-Hydro-Mechanical-Chemical (THMC) Processes in Bentonite Barrier Systems

Author

Shao, Haibing, Wang, Ju, Schäfer, Thorsten, Zhang, Chun-Liang, Geckeis, Horst, Nagel, Thomas, Düsterloh, Uwe, Kolditz, Olaf, and Shao, Hua

Subjects
high-level radioactive waste, geothermal energy utilization, underground research laboratory Beishan, energy storage, deep geological repositories, thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RB Earth sciences, thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TN Civil engineering, surveying and building::TNF Hydraulic engineering, thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials::TGB Mechanical engineering, thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RB Earth sciences::RBG Geology, geomorphology and the lithosphere::RBGK Geochemistry
Abstract

This book is open access book. The collaborative Pilot Project, titled “Comparison of Thermo-Hydro-Mechanical-Chemical (THMC) Processes in Bentonite Barrier Systems”, aims to investigate the fundamentals, conduct laboratory and field experiments, and develop numerical models for barrier systems that ensure the safe isolation of radioactive waste in deep geological repositories. This book compares methodologies and technologies used in experimental laboratory and field research, as well as systems analysis, in a collaborative work of German and Chinese scientists. Both parties have access to exceptional experimental and modelling research capabilities. The Beishan underground research laboratory (URL) is currently under construction in Gansu, China. It will serve as an international collaboration platform for URL research in the future. International cooperation is essential for excellent research and development due to the high cost of scientific programmes and technical operation of URLs, making it a precondition for providing secure solutions. This is important not only for deep geological repositories for radioactive waste disposal but also for other geoenergy applications, such as energy storage and geothermal energy utilization.

Published
2024
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40. DECOVALEX-2015: an international collaboration for advancing the understanding and modeling of coupled thermo-hydro-mechanical-chemical (THMC) processes in geological systems

Author

Birkholzer, Jens T, Bond, Alexander E, Hudson, John A, Jing, Lanru, Tsang, Chin-Fu, Shao, Hua, and Kolditz, Olaf

Subjects
Earth Sciences, Information and Computing Sciences, Geology, Physical Geography and Environmental Geoscience, Civil Engineering, Physical geography and environmental geoscience
Published
2018

42. Research Centre for Environmental Information Science (RCEIS)

Author

Chen, Cui, Montzka, Carsten, Huth, Juliane, Kuenzer, Claudia, Kunstmann, Harald, Yue, TianXiang, Kolditz, Olaf, Kolditz, Olaf, Series Editor, Shao, Hua, Series Editor, Wang, Wenqing, Series Editor, Görke, Uwe-Jens, Series Editor, Bauer, Sebastian, Series Editor, Yue, TianXiang, editor, Nixdorf, Erik, editor, Zhou, Chengzi, editor, Xu, Bing, editor, Zhao, Na, editor, Fan, Zhewen, editor, Huang, Xiaolan, editor, and Chen, Cui, editor

Published
2019
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43. Virtual Geographical Environment-Based Environmental Information System for Poyang Lake Basin

Author

Yan, Changqing, Rink, Karsten, Bilke, Lars, Nixdorf, Erik, Yue, Tianxiang, Kolditz, Olaf, Kolditz, Olaf, Series Editor, Shao, Hua, Series Editor, Wang, Wenqing, Series Editor, Görke, Uwe-Jens, Series Editor, Bauer, Sebastian, Series Editor, Yue, TianXiang, editor, Nixdorf, Erik, editor, Zhou, Chengzi, editor, Xu, Bing, editor, Zhao, Na, editor, Fan, Zhewen, editor, Huang, Xiaolan, editor, and Chen, Cui, editor

Published
2019
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44. The Poyang Lake Cooperation Group

Author

Kolditz, Olaf, Yue, Tianxiang, Kolditz, Olaf, Series Editor, Shao, Hua, Series Editor, Wang, Wenqing, Series Editor, Görke, Uwe-Jens, Series Editor, Bauer, Sebastian, Series Editor, Yue, TianXiang, editor, Nixdorf, Erik, editor, Zhou, Chengzi, editor, Xu, Bing, editor, Zhao, Na, editor, Fan, Zhewen, editor, Huang, Xiaolan, editor, and Chen, Cui, editor

Published
2019
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45. WP-C: A Step Towards Secured Drinking Water: Development of an Early Warning System for Lakes

Author

Rybicki, Marcus, Moldaenke, Christian, Rinke, Karsten, Dahlhaus, Hanno, Klingbeil, Knut, Holtermann, Peter L., Hu, Weiping, Wang, Hong-Zhu, Wang, Haijun, Liu, Miao, Zhu, Jinge, Ye, Zeng, Peng, Zhaoliang, Boehrer, Bertram, Jungmann, Dirk, Berendonk, Thomas U., Kolditz, Olaf, Frassl, Marieke A., Kolditz, Olaf, Series Editor, Shao, Hua, Series Editor, Wang, Wenqing, Series Editor, Görke, Uwe-Jens, Series Editor, Bauer, Sebastian, Series Editor, Sachse, Agnes, editor, Liao, Zhenliang, editor, Hu, Weiping, editor, and Dai, Xiaohu, editor

Published
2019
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46. WP-D: Environmental Information System

Author

Neubert, Frank, Haase, Matthias, Rink, Karsten, Kolditz, Olaf, Kolditz, Olaf, Series Editor, Shao, Hua, Series Editor, Wang, Wenqing, Series Editor, Görke, Uwe-Jens, Series Editor, Bauer, Sebastian, Series Editor, Sachse, Agnes, editor, Liao, Zhenliang, editor, Hu, Weiping, editor, and Dai, Xiaohu, editor

Published
2019
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47. Managing Water Resources for Urban Catchments

Author

Kolditz, Olaf, Berendonk, Thomas U., Chen, Cui, Fuchs, Lothar, Haase, Matthias, Jungmann, Dirk, Kalbacher, Thomas, Krebs, Peter, Moldaenke, Christian, Müller, Roland, Neubert, Frank, Rink, Karsten, Rinke, Karsten, Sachse, Agnes, Walther, Marc, Kolditz, Olaf, Series Editor, Shao, Hua, Series Editor, Wang, Wenqing, Series Editor, Görke, Uwe-Jens, Series Editor, Bauer, Sebastian, Series Editor, Sachse, Agnes, editor, Liao, Zhenliang, editor, Hu, Weiping, editor, and Dai, Xiaohu, editor

Published
2019
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48. Introduction

Author

Sachse, Agnes, Liao, Zhenliang, Hu, Weiping, Dai, Xiaohu, Kolditz, Olaf, Kolditz, Olaf, Series Editor, Shao, Hua, Series Editor, Wang, Wenqing, Series Editor, Görke, Uwe-Jens, Series Editor, Bauer, Sebastian, Series Editor, Sachse, Agnes, editor, Liao, Zhenliang, editor, Hu, Weiping, editor, and Dai, Xiaohu, editor

Published
2019
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