Academic literature on the topic 'Hygro-mechanical'

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Journal articles on the topic "Hygro-mechanical"

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Baggio, Paolo, Carmelo E. Majorana, and Bernhard A. Schrefler. "Thermo-hygro-mechanical analysis of concrete." International Journal for Numerical Methods in Fluids 20, no. 6 (1995): 573–95. http://dx.doi.org/10.1002/fld.1650200611.

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Mbacké, Mamadou Abdoul, Shahram Khazaie, Sylvain Fréour, and Frédéric Jacquemin. "Numerical modeling of the hygro-mechanical behavior of the 3D composite materials." Journal of Composite Materials 54, no. 28 (2020): 4457–71. http://dx.doi.org/10.1177/0021998320932270.

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The composite materials used in marine environments are subjected to mechanical loads along with the water absorption. The analysis of the behavior of such materials requires to take into account the coupling between the mechanical and diffusion behaviors. The hygro-mechanical coupling has been widely investigated experimentally and numerically. This paper presents a numerical approach to model the hygro-mechanical coupling of composite materials. The diffusion process is modeled via the classical Fick’s law. The elasticity matrix is considered to belong to transverse isotropic class, i.e. the
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Panduro, R. M. R., and J. L. Mantari. "Hygro-thermo-mechanical behavior of classical composites." Ocean Engineering 137 (June 2017): 224–40. http://dx.doi.org/10.1016/j.oceaneng.2017.03.049.

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Bachtiar, Erik V., Daniel Konopka, Benjamin Schmidt, Peter Niemz, and Michael Kaliske. "Hygro-mechanical analysis of wood-adhesive joints." Engineering Structures 193 (August 2019): 258–70. http://dx.doi.org/10.1016/j.engstruct.2019.03.104.

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Su, F., W. J. Li, T. B. Lan, and W. Shang. "Investigation on Hygro-Thermo-Mechanical Stress of a Plastic Electronic Package." Journal of Mechanics 30, no. 6 (2014): 625–30. http://dx.doi.org/10.1017/jmech.2014.52.

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AbstractPlastic packaging materials tend to absorb moisture from ambient environment and get swollen, this may raise hygro-stress in plastic electronic package and redistribute the internal stress. In this paper, we reviewed the dramatic deformation of a plastic package (Flip Chip Plastic Ball Grid Array-FCPBGA) due to moisture absorption first, then hygro-thermo-mechanical stress of the plastic package and its evolution during a period of three months were investigated with finite element method, user development was performed for this investigation. The finite element model was verified with
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Li, Rong Tao. "Coupled Damage and Plasticity Modeling in Failure Analysis of Heated Concrete." Advanced Materials Research 671-674 (March 2013): 1531–34. http://dx.doi.org/10.4028/www.scientific.net/amr.671-674.1531.

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A coupled elastoplastic-damage constitutive model with consideration of chemo-induced material elastoplastic-damage effects due to heating concrete is proposed. A consistent return mapping algorithm for the integration of the rate coupled constitutive equations is developed. Consistent tangent modulus matrices for coupled chemo-thermo-hygro-mechanical analysis are derived to preserve the quadratic rate of convergence of the global Newton iterative procedure. Numerical results demonstrate the validity of the presented algorithm and illustrate the performance of the proposed constitutive model i
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Hsu, Hsiang Chen, Hui Yu Lee, and Yu Cha Hsu. "Thermal-Hygro-Mechanical Design for CMOS Image Sensor." Key Engineering Materials 364-366 (December 2007): 1151–56. http://dx.doi.org/10.4028/www.scientific.net/kem.364-366.1151.

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The characteristic of overall structure for CMOS image sensor has been studied in this research. A three-dimensional solid model of CMOS image sensor based on finite element ANSYS software is developed to predict the thermo-induced strain and the stress induced by moisture absorption. The predicted thermal-induced displacements were found to be very good agreement with the Moiré interferometer experimental in-plane deformation. The developed finite element 3D model, therefore, is applied to simulate the mechanism of thermal and hygroscopic stresses based on JEDEC pre-condition standard JESD22-
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Castellazzi, G., S. de Miranda, G. Formica, L. Molari, and F. Ubertini. "Coupled hygro-mechanical multiscale analysis of masonry walls." Engineering Structures 84 (February 2015): 266–78. http://dx.doi.org/10.1016/j.engstruct.2014.11.034.

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Fleischhauer, Robert, Jens U. Hartig, Peer Haller, and Michael Kaliske. "Moisture-dependent thermo-mechanical constitutive modeling of wood." Engineering Computations 36, no. 1 (2018): 2–24. http://dx.doi.org/10.1108/ec-09-2017-0368.

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PurposeThe purpose of this study is the numerical investigation of densification and molding processes of wood. Providing theoretical and numerical approaches with respect to a consistent multi-physical finite element method framework are further goals of this research.Design/methodology/approachConstitutive phenomenological descriptions of the thermo-mechanical and moisture-dependent material characteristics of wood are introduced. Special focus is given to a consistent hygro-thermo-mechanical modeling at finite deformations to capture the realistic material behavior of wood, especially when
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TranVan, Luan, Vincent Legrand, Pascal Casari, et al. "Hygro-Thermo-Mechanical Responses of Balsa Wood Core Sandwich Composite Beam Exposed to Fire." Processes 8, no. 1 (2020): 103. http://dx.doi.org/10.3390/pr8010103.

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In this study, the hygro–thermo–mechanical responses of balsa core sandwich structured composite was investigated by using experimental, analytical and numerical results. These investigations were performed on two types of specimen conditions: dry and moisture saturation sandwich composite specimens that are composed of E-glass/polyester skins bonded to a balsa core. The wet specimens were immersed in distilled water at 40 °C until saturated with water. The both dry and wet sandwich composite specimens were heated by fire. The mass loss kinetic and the mechanical properties were investigated b
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Dissertations / Theses on the topic "Hygro-mechanical"

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Conley, Jill Anne. "Hygro-thermo-mechanical behavior of fiber optic apparatus." Thesis, Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/17308.

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Kukla, Konrad K. "Concrete at high temperatures : hygro-thermo-mechanical degradation of concrete." Thesis, University of Glasgow, 2010. http://theses.gla.ac.uk/1666/.

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The main aim of the presented work is the development of a reliable and coherent solution approach to investigate thermo-hygro-mechanical behaviour of concrete, especially under severe heating conditions. The work focuses on the development and extension of an existing analytical, numerical and constitutive model developed at the University of Glasgow. This is then used as a predictive modelling tool to investigate the response of concrete structures subject to combined thermo-mechanical loads. The thesis focuses initially on the coupled heat and mass transport model. A novel alternative formu
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Samantray, Priyam. "Multiscale modeling of the hygro-mechanical response of paper sheets." Doctoral thesis, Universite Libre de Bruxelles, 2019. https://dipot.ulb.ac.be/dspace/bitstream/2013/287428/6/contratPS.pdf.

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Paper sheets reveal pronounced changes in shape and dimensions upon exposure to variations in moisture, which comprises digital printing operations. These are observed in the form of curls, waviness and buckling at the sheet-scale of paper. In digital printing, this undesired behavior is due to the fact that the moisture is rapidly absorbed in paper and thereafter evaporated within a short period of time. These dimensional changes originate from the single fibre level, which affects the fibre network through the inter-fibre bonds (regions where the fibres overlap). At these bonds, an interacti
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Pivdiablyk, Ivanna. "Durability of mechanical performance of prestressed bolted composite joints in a hygro - thermo - mechanical environment." Thesis, Ecole centrale de Nantes, 2019. http://www.theses.fr/2019ECDN0068.

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Ces travaux , menés en collaboration avec le CETIM , portent sur la performance mécanique des assemblages boulonnés précontraints en matériaux composites pour les secteurs automobile et aéronautique. En raison de l'application contrôlée de précontrainte , les assemblages boulonnés occupent une partie importa nte dans l’industrie. Les conditions environnementales de service ont tendance à varier au cours du temps , ayant un effet sur les composites thermoplastiques sensibles à la température et à l'humidité. Une estimation des propriétés élastiques hors plan des composites est donc essentielle
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Cisse, Ousseynou. "Caractérisation du comportement hygro-mécanique des fibres liberiennes élémentaires issues du chanvre." Thesis, Besançon, 2014. http://www.theses.fr/2014BESA2031/document.

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Ce travail de thèse, s'inscrit dans un accord co-tutelle entre l’École Polytechnique de Thiès du Sénégal, et de l'Université de Franche-Comté. Il a été réalisé au Département de Mécanique Appliquée de l'institut FEMO-ST à Besançon (France). [...]L'objectif de cette thèse est de contribuer à la caractérisation du comportement thermo-hygro-mécaniques des fibres libériennes élémentaires issues du chanvre. Les fibres élémentaires testées dans ce travail ont des diamètres extérieurs moyens d'environ 20µm et des longueurs utiles de l'ordre de 10mm. Des essais couplant des chargements mécaniques, hyg
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Sciumè, Giuseppe. "Thermo-hygro-chemo-mechanical model of concrete at early ages and its extension to tumor growth numerical analysis." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2013. http://tel.archives-ouvertes.fr/tel-00907395.

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The aim of the PhD thesis has been the development of two multi-physics models based on common theoretical basis, but applied to two very different areas: i) the study of the behavior of concrete at early age, essentially for the prevention of early cracking and related issues- ii) the analysis of physical, chemical and biological processes that govern growth and development of cancer. The development of a numerical tool to model concrete at early age is of great importance for the design of durable and sustainable structures. The model has been implemented on the finite element code CAST3M (d
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Orsanic, Filip [Verfasser], and Joško [Akademischer Betreuer] Ožbolt. "Chemo-hygro-thermo-mechanical model for simulation of corrosion induced damage in reinforced concrete / Filip Orsanic. Betreuer: Josko Ozbolt." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2015. http://d-nb.info/1071153463/34.

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Davies, Christopher William. "Investigation of the thermo-hygro-chemico-mechanical performance of the Bentonite barrier at the high-level radioactive waste canister interface." Thesis, University of Newcastle upon Tyne, 2018. http://hdl.handle.net/10443/4109.

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This research focuses specifically on the geotechnical and physicochemical evolution of the highly-compacted Bentonite at the radioactive waste canister interface, with respect to the multi-barrier system for deep geological disposal of radioactive waste. The research investigated the geomechanical (i.e. Swelling pressure, self-healing, permeability and rheology) and mineralogical (i.e. Fe enrichment/ integration into the aluminosilicate structure and alteration to the accessory minerals) evolution of the Bentonite barrier under key life phases of the near-field regarding thermo-hygro-mechanic
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El, Hachem Chady. "Etude expérimentale et modélisation multi-échelles du comportement hygro-mécanique des matériaux de construction : cas du bois." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLN051.

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L’habitat sain est le thème central des réflexions contemporaines du domaine du bâtiment élargies à l’environnement. Il comporte des préoccupations notables en matière de santé, de consommation énergétique (la ventilation, le chauffage, la climatisation et l’eau chaude), d’impacts environnementaux et de durabilité des matériaux de construction. Le choix préliminaire des matériaux utilisés pour la construction joue un rôle important dans la réussite d’un projet HQE (Haute Qualité Environnementale). Dans ce contexte, la problématique de prévision des champs de température et d’humidité demeure e
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Se, Golpayegani Motamedi Aida. "Caractérisation du bois de Mûrier blanc (Morus alba L.) en référence à son utilisation dans les luths Iraniens." Thesis, Montpellier 2, 2011. http://www.theses.fr/2011MON20157.

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L'objectif est de mieux connaître les diverses propriétés (physico-mécaniques, biologiques et chimiques) du bois de Mûrier blanc (Morus alba L.), en tant que matériau éminemment utilisé dans la fabrication de luths Iraniens. La différence de caractéristiques vibratoires de cette espèce a été mesurée en fonction de la présence d'extractibles, mais aussi pour trois traitements artisanaux qui ont été adaptés à l'échelle du laboratoire.Le bois Mûrier blanc est caractérisé par un module spécifique modéré, un amortissement plus bas que prévu et une anisotropie faible entre ses trois axes. Il est pré
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Book chapters on the topic "Hygro-mechanical"

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Hsu, Hsiang Chen, Hui Yu Lee, and Yu Cha Hsu. "Thermal-Hygro-Mechanical Design for CMOS Image Sensor." In Optics Design and Precision Manufacturing Technologies. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-458-8.1151.

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Clément, Alexandre, Sylvain Fréour, and Frédéric Jacquemin. "Multiphysics Modeling of the Hygro-Mechanical Behavior of Heterogeneous Materials." In Solid Mechanics and Its Applications. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65145-3_6.

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Bianco, Mauro, Gianfranco Bilardi, Francesco Pesavento, Geppino Pucci, and Bernhard A. Schrefler. "An Accurate and Efficient Frontal Solver for Fully-Coupled Hygro-Thermo-Mechanical Problems." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-46043-8_74.

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Fréour, Sylvain, Frederic Jacquemin, and Ronald Guillén. "Numerical and Analytical Scale-Transition Prediction of Hygro-Mechanical Stresses in Multidirectional Carbon-Epoxy Laminates." In Materials Science Forum. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-414-6.439.

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Kaliske, Michael, and Daniel Konopka. "Hygro-mechanical Modelling of Wood and Glutin-based Bond Lines of Wooden Cultural Heritage Objects." In Model Validation and Uncertainty Quantification, Volume 3. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12075-7_31.

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Ferreira, Cláudio, Dirk Schlicke, Carlos Sousa, José Gomes, Rui Faria, and Miguel Azenha. "Validation of Thermo-hygro-Mechanical FEM Analysis of Thick Restrained RC Members by Comparison with Experiments." In RILEM Bookseries. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72921-9_24.

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Fleischhauer, Robert, and Michael Kaliske. "Hygro- and Thermo-Mechanical Modeling of Wood at Large Deformations: Application to Densification and Forming of Wooden Structures." In Advanced Structured Materials. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-70563-7_4.

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Bocciarelli, M., and G. Ranzi. "Evaluation of Shrinkage-Induced Deflections of Composite Slabs with a Simplified Design Approach and a Hygro-Thermo-Chemical-Mechanical Model." In Lecture Notes in Civil Engineering. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-7603-0_11.

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Allegretti, O., P. Dionisi-Vici, J. Bontadi, and F. Raffaelli. "The case study of The daughters of the Emperor Ferdinand I by Jakob Seisenegger, in Trento (Italy): analytical hygro-mechanical results as a support in risk assessment for technical interventions." In inArt 2016. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-55417-3_37.

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Horman, Izet, Dunja Martinovi, Izet Bijelonja, and Seid Hajdarevi. "Wood Subjected to Hygro-Thermal and/or Mechanical Loads." In Finite Volume Method - Powerful Means of Engineering Design. InTech, 2012. http://dx.doi.org/10.5772/38562.

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Conference papers on the topic "Hygro-mechanical"

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Ikeda, Toru, Tomonori Mizutani, and Noriyuki Miyazaki. "Hygro-Mechanical Analysis of LCD Panels." In ASME 2009 InterPACK Conference collocated with the ASME 2009 Summer Heat Transfer Conference and the ASME 2009 3rd International Conference on Energy Sustainability. ASMEDC, 2009. http://dx.doi.org/10.1115/interpack2009-89267.

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Liquid crystal displays (LCDs) are getting larger, and the homogeneity of an LCD panel is becoming very important for the quality of the display. Inhomogeneity in an LCD panel can be caused by inhomogeneity of its materials and the defective production process, warpage of the panel due to changes in the temperature and humidity, and so on. In this study, we developed a scheme of hygro-mechanical analysis to reduce the warpage of an LCD. First, we measured the diffusion coefficients and Henry’s law coefficients of the respective components of an LCD using a thermo-gravimetric analyzer (TGA) und
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Zeng, Pinghua, Daoguo Yang, Hongyu Tang, and Miao Cai. "Hygro-thermo-mechanical modeling of LED Luminaires." In 2013 14th International Conference on Electronic Packaging Technology (ICEPT). IEEE, 2013. http://dx.doi.org/10.1109/icept.2013.6756543.

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Ikeda, Toru, Tomonori Mizutani, and Noriyuki Miyazaki. "Thermo-Mechanical and Hygro-Mechanical Stress Analyses of an Organic Multilayer Sheet." In ASME 2007 InterPACK Conference collocated with the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ipack2007-33212.

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A polarizing plate, which is an important part of a liquid crystal display panel, is made by sandwiching an organic polarizer between protecting films. An organic polarizer is both a hygroscopic and orthotropic material. The hygroscopic swelling and drying shrinkage of the organic polarizer can cause the polarizing plate to crack and the liquid crystal display panel to warp. The diffusion coefficient and Henry’s law coefficient were measured using a thermo-gravimetric analyzer (TGA) under controlled humidity, while the coefficient of moisture expansion (CME) was measured using a thermo-mechani
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Tomonori Mizutani, Toru Ikeda, Kiyoshi Miyake, and Noriyuki Miyazaki. "Warpage analysis of an LCD panel under thermo-mechanical and hygro-mechanical stress." In 2007 International Conference on Electronic Materials and Packaging (EMAP 2007). IEEE, 2007. http://dx.doi.org/10.1109/emap.2007.4510277.

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Park, Seungbae, Jae Kwak, Haojun Zhang, Xin Zhang, and Siu-Lung Ng. "Conjugate Effect of Hygro and Thermo-Mechanical Behavior in MEMS Packages." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-39756.

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This paper is to study the combined behavior of plastic encapsulated MEMS package under humid and elevated temperature environments. Although thermal-induced stress for the materials used in the MEMS package is already fully understood, moisture-induced stress is still not well studied. To cope with humidity effects on the MEMS package, the moisture-induced properties of mold compound are obtained from the proposed experiments. From the weight gain/loss measurement, saturated moisture content and diffusivity were obtained by curve fitting following Fick’s law. In addition, using digital image
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Akkaoui, A., M. Vandamme, and S. Caré. "Hygro-Mechanical Properties of Wood-Aggregate Concrete: Experimental Study and Modeling." In Fifth Biot Conference on Poromechanics. American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784412992.212.

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Jefferson, A. D., and Adriana Chitez. "A Continuum Coupled Thermo-Hygro Mechanical Time-Dependent Model for Concrete." In 10th International Conference on Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structures. American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479346.047.

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Derome, Dominique, Alessandra Patera, Ahmad Rafsanjani, Saeed Abbasion, and Jan Carmeliet. "The Role of Water in the Hygro-Thermo-Mechanical Behavior of Wood." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-65101.

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Wood, due to its biological origin, has the capacity to interact with water. Sorption/desorption of moisture is accompanied with swelling/shrinkage and softening/hardening of its stiffness. The correct prediction of the behavior of wood components undergoing environmental loading or industrial process requires that the hygric, thermal and mechanical (HTM) behavior of wood are considered in a coupled manner. In addition, we propose a comprehensive framework using a fully coupled poromechanical approach, where its multiscale implementation provides the capacity to take into account, directly, th
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Hsu, H. C., L. M. Chu, W. L. Shieh, M. C. Weng, and F. R. Hsu. "Reliability analysis and hygro-thermo-mechanical design for MEMS-based pressure sensor." In 2009 16th IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits (IPFA). IEEE, 2009. http://dx.doi.org/10.1109/ipfa.2009.5232560.

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Zhu, Wenmin, Ping Lai, and Shaohua Yang. "Effect of hygro-thermo-mechanical stress on reliability of stacked die package." In 2011 International Symposium on Advanced Packaging Materials (APM). IEEE, 2011. http://dx.doi.org/10.1109/isapm.2011.6105700.

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