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Physics-informed neural network solution of thermo-hydro-mechanical (THM) processes in porous media [article]

Danial Amini, Ehsan Haghighat, Ruben Juanes
2022 arXiv   pre-print
Here we investigate the application of PINNs to the forward solution of problems involving thermo-hydro-mechanical (THM) processes in porous media, which exhibit disparate spatial and temporal scales in  ...  Physics-Informed Neural Networks (PINNs) have received increased interest for forward, inverse, and surrogate modeling of problems described by partial differential equations (PDE).  ...  Introduction Coupled thermo-hydro-mechanical (THM) processes in porous media arise in a wide range of subsurface applications, including reservoir engineering, geothermal engineering, and deep nuclear  ... 
arXiv:2203.01514v1 fatcat:ji2qqfkwsjhwhajy5hzoktxdei

A review of techniques, advances and outstanding issues in numerical modelling for rock mechanics and rock engineering

L. Jing
2003 International Journal of Rock Mechanics And Mining Sciences  
The physical processes and the equations characterizing the coupled behaviour are included in Section 4, with an illustrative example and discussion on the likely future development of coupled models.  ...  In many cases, for the model to adequately represent the rock reality, it is necessary to incorporate couplings between the thermal, hydraulic and mechanical processes.  ...  Zimmerman for their comments, suggestions, corrections and especially encouragement in their reviews of this paper. Special thanks to Professor J.A.  ... 
doi:10.1016/s1365-1609(03)00013-3 fatcat:fjbcyvbyobhflawsaajzav27ym

Nonparametric Monitoring for Geotechnical Structures Subject to Long-Term Environmental Change

Hae-Bum Yun, Lakshmi N. Reddi
2011 Advances in Civil Engineering  
Avoiding physical assumptions or excessive simplification of the monitored structures, the nonparametric monitoring methodology presented in this paper provides reliable performance-related information  ...  Extensive literature review on recent developments of parametric and nonparametric data processing techniques for geotechnical applications is also presented.  ...  Coupled Thermo-Hydro-Mechanical (THM) Models. Geotechnical systems subject to environmental change usually behave as complex coupled thermo-hydro-mechanical (THM) systems.  ... 
doi:10.1155/2011/275270 fatcat:psgainivd5f23mjsabgjq2vv64

Reviewing the Modeling Aspects and Practices of Shallow Geothermal Energy Systems

Paul Christodoulides, Ana Vieira, Stanislav Lenart, João Maranha, Gregor Vidmar, Rumen Popov, Aleksandar Georgiev, Lazaros Aresti, Georgios Florides
2020 Energies  
Finally, a quite lengthy overview of the main software tools related to thermal and thermo-hydro-mechanical analysis of SGES that may be useful for practical applications is given.  ...  Subsequently, thermo-mechanical interactions modeling issues are addressed that may be crucial in EGS that exhibit a dual functioning of heat exchangers and structural elements.  ...  Few of them can also tackle groundwater flow through porous media analysis, while some can be used for thermo-hydro-mechanical analyses.  ... 
doi:10.3390/en13164273 fatcat:56iygury45d5tomf3titqhosbq

Inverse modeling of nonisothermal multiphase poromechanics using physics-informed neural networks [article]

Danial Amini, Ehsan Haghighat, Ruben Juanes
2022 arXiv   pre-print
We propose a solution strategy for parameter identification in multiphase thermo-hydro-mechanical (THM) processes in porous media using physics-informed neural networks (PINNs).  ...  We employ a dimensionless form of the THM governing equations that is particularly well suited for the inverse problem, and we leverage the sequential multiphysics PINN solver we developed in previous  ...  Here, we build on these previous works to develop a solution strategy for parameter identification in multiphase thermo-hydro-mechanical (THM) processes.  ... 
arXiv:2209.03276v1 fatcat:on5axoyksbhqpg3baqvcd4dfdq

Advances in Instrumentation and Monitoring in Geotechnical Engineering

D. N. Singh, Nagaratnam Sivakugan, Sai K. Vanapalli
2011 Advances in Civil Engineering  
Avoiding physical assumptions or excessive simplification of the monitored structures, the nonparametric monitoring methodology presented in this paper provides reliable performance-related information  ...  Much of this utility network is poorly mapped and recorded.  ...  We acknowledge the IACMAG for approving publication of the following papers in this edition of the journal.  ... 
doi:10.1155/2011/871406 fatcat:xqkapuqilnezfbgs537mieh5r4

Enhanced Fatigue Life of Old Metallic Bridges—Application of Preloaded Injection Bolts [chapter]

Bruno A. S. Pedrosa, Carlos A. S. Rebelo, José A. F. O. Correia, Milan Veljkovic, Luís A. P. S. Silva
2021 RILEM Bookseries  
Currently there are already solutions of structures that are removable and reconfigurable but mainly in aluminum beams.  ...  The lay-out of the production has to constantly adapt to changes in production, variations in demand and new products.  ...  Acknowledgements The DFG Priority Program SPP 2020 Project "Cyclic Damage Processes in High-Performance Concretes in the Experimental Virtual Lab" is gratefully acknowledged.  ... 
doi:10.1007/978-3-030-76465-4_18 fatcat:pmmulzs3y5bf5idhfke7mjkche

International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar

Klaus Gürlebeck, Tom Lahmer
2015
The conference covers a broad range of research areas: numerical analysis, function theoretic methods, partial differential equations, continuum mechanics, engineering applications, coupled problems, computer  ...  Architects, computer scientists, mathematicians, and engineers from all over the world will meet in Weimar for an interdisciplinary exchange of experiences, to report on their results in research, development  ...  information in a semantic model.  ... 
doi:10.25643/bauhaus-universitaet.2451 fatcat:uy35r7npord7znzqfzg3spwyxu

Design of an experimental procedure and set up for the detection of ice segregation phenomena in rock by acoustic emissions

Silvia Duca, Claudio Scavia, Luigi Sambuelli, Massimiliano Mattone
2013
CODE_BRIGHT is a program for thermo-hydro-mechanical analysis in geological media.  ...  Fully coupled thermo-hydro-mechanical analyses have been carried out using the FEM code CODE_BRIGHT, by coupling a description of transient heat and mass transfer in porous, freezing media.  ...  Appendix E Technical specifications of GL-1000 AE acquisition board Appendix G AE sensor calibration certificates  ... 
doi:10.6092/polito/porto/2509902 fatcat:nv5onbfezfeelastgujqy2qvea

Proceedings of the 2020 Society of Wood Science and Technology International Convention

Susan LeVan-Green
2020 Renewable Resources for a Sustainable and Healthy Future - Proceedings of the 2020 Society of Wood Science and Technology International Convention   unpublished
Acknowledgements This work was financially supported by Grant Agency of the Czech Republic (GAČR), project no. 19-25171Y "Multi-scale Hygro-thermo-mechanical Behavior of Modified Wood-based Materials".  ...  One major objective of this joint venture is to successfully implement a research platform for producing and processing hybrid materials, such as 3D printable wood fiber reinforced biocomposites.  ...  In particular Thermo-Hydro-Mechanical treatments (THM) have been the innovation for wood densification, as the combined use of pressure and high temperatures in a steamed environment has shown great advantages  ... 
doi:10.22382/proc-2020-02 fatcat:jrj6uawp3zfldirw34qmrir5fm

Memoria 2011-2013 [article]

CSIC-Instituto De Diagnóstico Ambiental Y Estudios Del Agua (IDAEA), Digital.CSIC, Digital.CSIC
2020
Villermaux, Stretching, coalescence and mixing in porous media, Phys. Rev. Lett., 110, 204501, 2013.  ...  Inverse age-dependent accumulation of decabromodiphenyl ether and other PBDEs in serum from a General adult population.  ...  Heterogeneous Porous Media, Workshop on Porous Media-Processes and Mathematics Conferencia oral Edinburgh Enero 2013 E.  ... 
doi:10.20350/digitalcsic/10755 fatcat:4ad4nt3mpjbrhmyqmbvg7bpuvu