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Journal articles on the topic 'Hierarchical physical design'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Schulz, Uwe. "Hierarchical physical design system for VLSI-/370 microprocessor." Microprocessing and Microprogramming 24, no. 1-5 (1988): 131–35. http://dx.doi.org/10.1016/0165-6074(88)90042-7.

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Zhang, Haoyuan, Lei Zheng, and Lin Cai. "Design and Analysis of Hierarchical Physical Layer Network Coding." IEEE Transactions on Wireless Communications 16, no. 12 (2017): 7966–81. http://dx.doi.org/10.1109/twc.2017.2755017.

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Shanavas, I. Hameem, and R. K. Gnanamurthy. "Optimal Solution for VLSI Physical Design Automation Using Hybrid Genetic Algorithm." Mathematical Problems in Engineering 2014 (2014): 1–15. http://dx.doi.org/10.1155/2014/809642.

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In Optimization of VLSI Physical Design, area minimization and interconnect length minimization is an important objective in physical design automation of very large scale integration chips. The objective of minimizing the area and interconnect length would scale down the size of integrated chips. To meet the above objective, it is necessary to find an optimal solution for physical design components like partitioning, floorplanning, placement, and routing. This work helps to perform the optimization of the benchmark circuits with the above said components of physical design using hierarchical

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Satish Babu, J., and G. Krishna Mohan. "Design of an Intelligent Hierarchical Level Structural Framework for Cyber-Physical Systems." Revue d'Intelligence Artificielle 36, no. 1 (2022): 93–103. http://dx.doi.org/10.18280/ria.360111.

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Shenoy, Prasad, N. Shylashree, Nandini K. S., and Prakash Tunga P. "Physical Design Implementation to Enhance Performance of Ultra-Deep Sub-micron (UDSM) Hard Macro-based Design." WSEAS TRANSACTIONS ON ELECTRONICS 15 (November 14, 2024): 88–96. http://dx.doi.org/10.37394/232017.2024.15.11.

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Lower technology nodes or Ultra Deep Sub-micron (UDSM) used in today’s System on-chip (SoC) yield high performance and are faster when compared to the Deep Sub-micron (DSM) technology nodes. The challenges faced by a designer have increased multi-fold in SoC design with the technology node evolution. The designs that are trending these days are Hard Macro (HM) based designs. The entire block is divided in the sub- HMs or hierarchical blocks. The sub-HM layout shapes are decided during the partitioning of the top-level block. Each of the hierarchical blocks is implemented separately and the sub

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Zhang, Wenfeng, Zhendong Liu, Xiong Liu, Yili Jin, Qixiao Wang, and Rong Hong. "Model-Based Systems Engineering Approach for the First-Stage Separation System of Launch Vehicle." Actuators 11, no. 12 (2022): 366. http://dx.doi.org/10.3390/act11120366.

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This paper proposes a model-based systems engineering (MBSE) methodology to design a first-stage separation system for a launch vehicle. It focuses on the whole process of system modeling, such as modeling the requirements analysis, logical architecture design, physical architecture design, and system verification and validation. Finally, the component requirements are obtained as the baseline for the component design. Requirements analysis is carried out by identifying stakeholders with the cycle modeling for this system and the use of case modeling to ensure that the requirements are compreh

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Levshun, D. "Hierarchical Model for the Design of Microcontroller-Based Systems Protected from Cyber-Physical Attacks." Proceedings of Telecommunication Universities 9, no. 1 (2023): 105–15. http://dx.doi.org/10.31854/1813-324x-2023-9-1-105-115.

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The article proposes a hierarchical model for the design of microcontroller-based systems protected from cyber-physical attacks. Within the framework of this model, a microcontroller-based system is represented as a hierarchical relational set of interacting building blocks with different properties and links between them. The proposed model includes models of hardware, software and hardware-software elements, interfaces, protocols and links between system elements, models of attacker and attack actions. The key difference of the developed model lies in the possibility of full representation o

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Bae, Kyungmin, and Peter Csaba Ölveczky. "MSYNC: A Generalized Formal Design Pattern for Virtually Synchronous Multirate Cyber-physical Systems." ACM Transactions on Embedded Computing Systems 20, no. 5s (2021): 1–26. http://dx.doi.org/10.1145/3477036.

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TTA and PALS are two prominent formal design patterns—with different strengths and weaknesses—for virtually synchronous distributed cyber-physical systems (CPSs). They greatly simplify the design and verification of such systems by allowing us to design and verify their underlying synchronous designs. In this paper we introduce and verify MSYNC as a formal design (and verification) pattern/synchronizer for hierarchical multirate CPSs that generalizes, and combines the advantages of, both TTA and (single-rate and multirate) PALS. We also define an extension of TTA to multirate CPSs as a special

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Yang, Zhenze, Chi-Hua Yu, and Markus J. Buehler. "Deep learning model to predict complex stress and strain fields in hierarchical composites." Science Advances 7, no. 15 (2021): eabd7416. http://dx.doi.org/10.1126/sciadv.abd7416.

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Materials-by-design is a paradigm to develop previously unknown high-performance materials. However, finding materials with superior properties is often computationally or experimentally intractable because of the astronomical number of combinations in design space. Here we report an AI-based approach, implemented in a game theory–based conditional generative adversarial neural network (cGAN), to bridge the gap between a material’s microstructure—the design space—and physical performance. Our end-to-end deep learning model predicts physical fields like stress or strain directly from the materi

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Svarovskaya, Natalia, Elena Glazkova, Olga Bakina, Sergey Kazantsev, Aleksandr Lozhkomoev та Marat Lerner. "Hierarchical γ-alumina: From Pure Phase to Nanocomposites". Recent Patents on Nanotechnology 14, № 2 (2020): 92–101. http://dx.doi.org/10.2174/1872210514666191213150838.

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Recent advances in nanotechnology make it possible to create nanomaterials based on γ-alumina with novel hierarchical structure and physicochemical properties. Hierarchical &#947;-alumina can be synthesized using chemical or physical methods. The nanostructures based on &#947;-alumina exhibit unique properties, which are utilized in the design of efficient applications. These superior properties are often due to their hierarchical organizations from the nanosize scale to the macroscopic level. The present review is devoted to the contemporary state of the studies on the methods to prod

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KS, Srinidhi, and Ravi HK. "Analysis of IR Drop, Signal Electromigration and Self-Heating Effect using Flat and Hierarchical Method in FinFET Technology." International Journal of Engineering Research in Electronics and Communication Engineering 9, no. 8 (2022): 1–5. http://dx.doi.org/10.36647/ijerece/09.08.a001.

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VLSI industry has been rapidly growing where multiple processors can be implemented on a single chip. In physical design of a chip main factors to be considered are timing closure, congestion, and power. Compare to 180nm and 90nm designs were not much complicated due to less transistor density as going to lower technology nodes chip size, area, length will decrease that impact on packaging and cooling issues, so it is necessary to estimate the power at the early stage of design. Power analysis is done immediately after placement and routing stage of the chip. Power analysis can be performed in

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Bourbakis, Nikolaos G., and Mohammad Mortazavi. "A FLOORPLANNING-SYNTHESIS METHODOLOGY FOR MULTIPLE CHIP MODULE DESIGN." Journal of Integrated Design and Process Science: Transactions of the SDPS, Official Journal of the Society for Design and Process Science 4, no. 1 (2000): 67–81. http://dx.doi.org/10.3233/jid-2000-4105.

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The VLSI design automation is one of the most computational expensive and complicated processes with significant impact into computer chips manufacturing, especially at the physical layout design cycle. The recent VLSI evolution in multiple chip modules design has introduced new challenges at the physical layout steps (partitioning, floorplanning, placement, routing, compaction,etc). In this paper an efficient synthesis and floorplanning methodology for Multiple Chip Modules (MCM) design is discussed. The floorplanning-synthesis methodology is based on the efficient hierarchical cooperation of

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Zhou, Weiru, and Zonghong Xie. "Explainable Machine Learning with Two-Layer Multi-Objective Optimization Algorithm Applied to Sealing Structure Design." Materials 18, no. 10 (2025): 2307. https://doi.org/10.3390/ma18102307.

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This study addresses the challenge of optimizing seal structure design through a novel two-stage interpretable optimization framework. Focusing on O-ring waterproof performance under hyperelastic material behavior, this study proposes a double-layer optimization method integrating explainable machine learning with hierarchical clustering algorithms. The key innovation lies in employing modified hierarchical clustering to categorize design parameters into two interpretable groups: bolt preload and groove depth. This clustering enables dimensionality reduction while maintaining the physical inte

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An, Dongdong, and Jing Liu. "An Approach to Modeling and Analyzing Human-Centric Systems and Its Application." International Journal of Cooperative Information Systems 27, no. 01 (2018): 1741005. http://dx.doi.org/10.1142/s0218843017410052.

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Human-centric design is based on the psychological and physical needs of the human users. Model-driven engineering provides formal model to be analyzed. How to combine formal model with human-centric design methodology is a crucial issue and yet it has not been settled. In fact, the difficulty of this problem is lacking of formal representations of the human-centric property. The intention of our research is to provide some new approaches to effectively model and analyze the human-centric system. So we proposed model-based methodologies for modeling and analyzing the human-centric system, whic

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Belda, Květoslav, Lukáš Venkrbec, and Jan Jirsa. "Modelling, Control Design and Inclusion of Articulated Robots in Cyber-Physical Factories." Actuators 14, no. 3 (2025): 129. https://doi.org/10.3390/act14030129.

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This paper addresses the features and limits of the principles and means that provide and support the design of motion control for industrial stationary articulated robots and their involvement in cyber-physical factories as part of the Industry 4.0 concept. The proposed methods are presented herein, from the modelling of kinematics and dynamics considering ideal rigid bodies and principles of classical mechanics, to their application in the design of conventional cascade control and advanced model-based control and use within commercial software tools. The paper demonstrates the modelling pri

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Ma, Shilei, Gaoyue Ma, Xiaohong Shen, Haiyan Wang, and Ke He. "Marine Multi-Physics-Based Hierarchical Fusion Recognition Method for Underwater Targets." Journal of Marine Science and Engineering 13, no. 4 (2025): 756. https://doi.org/10.3390/jmse13040756.

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With the rapid advancement of ocean monitoring technology, the types and quantities of underwater sensors have increased significantly. Traditional single-sensor approaches exhibit limitations in underwater target classification, resulting in low classification accuracy and poor robustness. This paper integrates deep learning and information fusion theory to propose a multi-level fusion perception method for underwater targets based on multi-physical-field sensing. We extract both conventional typical features and deep features derived from an autoencoder and perform feature-level fusion. Neur

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Michopoulos, J. G., and T. Furukawa. "Towards hierarchical design optimization for simultaneous composite material characterization and adjustment of the corresponding physical experiments." Inverse Problems in Science and Engineering 16, no. 6 (2008): 763–75. http://dx.doi.org/10.1080/17415970802082856.

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18

Ruhe, Stephan, Kevin Schaefer, Stefan Branz, Steffen Nicolai, Peter Bretschneider, and Dirk Westermann. "Design and Implementation of a Hierarchical Digital Twin for Power Systems Using Real-Time Simulation." Electronics 12, no. 12 (2023): 2747. http://dx.doi.org/10.3390/electronics12122747.

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This paper presents a hierarchical Digital Twin architecture and implementation that uses real-time simulation to emulate the physical grid and support grid planning and operation. With the demand for detailed grid information for automated grid operations and the ongoing transformation of energy systems, the Digital Twin can extend data acquisition by establishing a reliable real-time simulation. The system uses observer algorithms to process model information about the voltage dependencies of grid nodes, providing information about the dynamic behavior of the grid. The architecture implement

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Venezia, Virginia, Giulio Pota, Brigida Silvestri, Aniello Costantini, Giuseppe Vitiello, and Giuseppina Luciani. "Tailoring Structure: Current Design Strategies and Emerging Trends to Hierarchical Catalysts." Catalysts 12, no. 10 (2022): 1152. http://dx.doi.org/10.3390/catal12101152.

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Nature mimicking implies the design of nanostructured materials, which can be assembled into a hierarchical structure, thus outperforming the features of the neat components because of their multiple length scale organization. This approach can be effectively exploited for the design of advanced photocatalysts with superior catalytic activity for energy and environment applications with considerable development in the recent six years. In this context, we propose a review on the state of the art for hierarchical photocatalyst production. Particularly, different synthesis strategies are present

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Sivkova, Radoslava, Johanka Táborská, Alain Reparaz, et al. "Surface Design of Antifouling Vascular Constructs Bearing Biofunctional Peptides for Tissue Regeneration Applications." International Journal of Molecular Sciences 21, no. 18 (2020): 6800. http://dx.doi.org/10.3390/ijms21186800.

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Antifouling polymer layers containing extracellular matrix-derived peptide motifs offer promising new options for biomimetic surface engineering. In this contribution, we report the design of antifouling vascular grafts bearing biofunctional peptide motifs for tissue regeneration applications based on hierarchical polymer brushes. Hierarchical diblock poly(methyl ether oligo(ethylene glycol) methacrylate-block-glycidyl methacrylate) brushes bearing azide groups (poly(MeOEGMA-block-GMA-N3)) were grown by surface-initiated atom transfer radical polymerization (SI-ATRP) and functionalized with bi

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Xu, Qiuyan, and Wenmin Han. "Axiomatic design based digital twin shop virtual reality fusion research." Advances in Economics and Management Research 6, no. 1 (2023): 95. http://dx.doi.org/10.56028/aemr.6.1.95.2023.

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The digital twin workshop is a new mode of future workshop operation, which is of great significance to promote the smart manufacturing strategy. One of the keys to building a digital twin workshop is to realize the interconnection and integration of the information world and the physical world. At present, there are problems in the digital twin workshop such as difficulty in obtaining real-time data, difficulty in establishing twin models, and insufficient two-way real links between the physical and information worlds, which seriously affect the integration of reality and reality in the digit

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22

Green, David F. "A Statistical Framework for Hierarchical Methods in Molecular Simulation and Design." Journal of Chemical Theory and Computation 6, no. 5 (2010): 1682–97. http://dx.doi.org/10.1021/ct9004504.

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23

Lange, Tanya M. de, Shelley M. Allen, and Frikkie Maas. "Psychophysical rating of library employees' work tasks." WORK: A Journal of Prevention, Assessment & Rehabilitation 16, no. 2 (2001): 111–22. https://doi.org/10.3233/wor-2001-00142.

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{\it Objective:} This exploratory research aimed to identify the perceived physical demands of library assistants' and attendants' work tasks. {\it Study design:} A fixed format survey was completed by 36 library assistants and attendants from suburban and university libraries. Surveys were distributed and completed within the participants' workplaces. Descriptive statistics and Pearson's r correlations were calculated using the SPSS data analysis program. {\it Results:} Data analysis revealed a hierarchical distribution of library assistants' and attendants' work tasks according to perceived

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Kausar, Ayesha. "Polymeric nanocomposites reinforced with nanowhiskers: Design, development, and emerging applications." Journal of Plastic Film & Sheeting 36, no. 3 (2020): 312–33. http://dx.doi.org/10.1177/8756087919898731.

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This article provides insights into nanowhisker nanofiller particles, different categories of polymer/nanowhisker nanocomposites, and broad span of applications. Nanowhiskers are hierarchical needle-like elementary crystallites, often used as nanofillers in polymers. Cellulose, chitin, zinc oxide, fullerene, and aluminum nitride-based nanowhiskers have been employed in matrices. Inclusion of organic and inorganic nanowhiskers in polymers has enhanced thermal conductivity, electrical conductivity, thermal stability, water resistance, and other physical properties of nanocomposites. Polymer/nano

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Menon, Aditya, Chetali Gupta, Kedar M. Perkins, et al. "Elucidating multi-physics interactions in suspensions for the design of polymeric dispersants: a hierarchical machine learning approach." Molecular Systems Design & Engineering 2, no. 3 (2017): 263–73. http://dx.doi.org/10.1039/c7me00027h.

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Tan, Zhukui, Lefeng Cheng, Chao Ding, et al. "Design of An Intelligent Hierarchical System for Fingerprint Management of Electricity Loads Based on Operating Characteristics of Household Appliances." E3S Web of Conferences 53 (2018): 04007. http://dx.doi.org/10.1051/e3sconf/20185304007.

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In order to facilitate the active identification capability of various types of electrical equipment, so as to enhance the functions such as the behavioural analysis and optimization control of electricity utilization in an automatic demand side management (DSM) system. A definition is given on load fingerprint based on operating characteristics of household appliances, as well as its architecture. In addition, based on the cyber-physical systems (CPS) technology, a hierarchical technical framework for load fingerprint management is proposed. This framework is a two-layer electricity utilizati

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Glushchenko, Valery V. "Formation of a Paradigm for Designing Cyber-Physical Systems: Educational Perspective." Indonesian Journal of Teaching in Science 3, no. 1 (2023): 45–58. http://dx.doi.org/10.17509/ijotis.v3i2.56039.

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The subject of the article is the process of forming a paradigm for designing cyber-physical systems. The object of the work is cyber-physical systems. the purpose of the work is to increase the efficiency of cyber-physical systems in the economy and society. To achieve this goal, the following tasks are solved: the formation of a paradigm for designing cyber-physical systems. descriptions of methodological provisions of the general theory of cyber-physical systems. descriptions of the factors generated by the general theory of cyber-physical systems to increase the effectiveness of such syste

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Villanueva, Pedro, Sergio Bona, Rubén Lostado-Lorza, and Fernando Veiga. "Morphological Design of a Bicycle Propulsion Component Using the Hierarchical Analysis Process (AHP)." Applied Sciences 13, no. 13 (2023): 7792. http://dx.doi.org/10.3390/app13137792.

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There are many mechanical and/or electrical energy storage devices nowadays which can be mounted on standard bicycles. The current trend regarding bicycle energy storage devices is to develop and improve electrical and electronic systems that can ease transportation. However, this paper shows the design process of a purely mechanical energy storage device, with no electrical components, which instead aims to entertain the user, producing a stimulus related to speed and physical exertion. The mechanical device has been designed according to an aspect or fashion known as steampunk, so that the m

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Auziņš, Ainārs, Jānis Eiduks, Alīna Vasiļevska, and Reinis Dzenis. "Object-Relational Database Structure Model and Structure Optimisation." Applied Computer Systems 23, no. 1 (2018): 28–36. http://dx.doi.org/10.2478/acss-2018-0004.

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Abstract During object-relational database physical structure design, problems are caused by three factors: ambiguity of transformations of conceptual model, multiplicity of quality assessment criteria, and a lack of constructive model. In the present study a constructive hierarchical model of physical database structure has been developed. Implementations are used in XML, SQL and Java languages. Multi-criterial structure optimisation method has also been developed. Structure variation space is generated using transformation rule database. Prototype has been implemented within the framework of

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Radanliev, Petar, David De Roure, Razvan Nicolescu, Michael Huth, and Omar Santos. "Artificial Intelligence and the Internet of Things in Industry 4.0." CCF Transactions on Pervasive Computing and Interaction 3, no. 3 (2021): 329–38. http://dx.doi.org/10.1007/s42486-021-00057-3.

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AbstractThis paper presents a new design for artificial intelligence in cyber-physical systems. We present a survey of principles, policies, design actions and key technologies for CPS, and discusses the state of art of the technology in a qualitative perspective. First, literature published between 2010 and 2021 is reviewed, and compared with the results of a qualitative empirical study that correlates world leading Industry 4.0 frameworks. Second, the study establishes the present and future techniques for increased automation in cyber-physical systems. We present the cybersecurity requireme

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Dulaud, Paul, Ines Di Loreto, and Denis Mottet. "Self-Quantification Systems to Support Physical Activity: From Theory to Implementation Principles." International Journal of Environmental Research and Public Health 17, no. 24 (2020): 9350. http://dx.doi.org/10.3390/ijerph17249350.

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Since the emergence of the quantified self movement, users aim at health behavior change, but only those who are sufficiently motivated and competent with the tools will succeed. Our literature review shows that theoretical models for quantified self exist but they are too abstract to guide the design of effective user support systems. Here, we propose principles linking theory and implementation to arrive at a hierarchical model for an adaptable and personalized self-quantification system for physical activity support. We show that such a modeling approach should include a multi-factors user

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Duncan, Susan C., Terry E. Duncan, Lisa A. Strycker, and Nigel R. Chaumeton. "A Multilevel Analysis of Sibling Physical Activity." Journal of Sport and Exercise Psychology 26, no. 1 (2004): 57–68. http://dx.doi.org/10.1123/jsep.26.1.57.

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Typical studies of youth physical activity ignore the dependence among family members, examining only individual levels of data rather than individual and family levels. The current study examined physical activity among siblings (mean age = 12.2 years), using hierarchical linear modeling. Individual-and family-level covariates of physical activity were included in the model. Data from 930 siblings nested within 371 families were analyzed in a four-level multilevel design. Results indicated that siblings were similar in their levels of physical activity, and that levels of physical activity va

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Han, Yingchao, and Jianlu Liao. "Design of feasibility analysis platform for college physical education based on mobile social network." Journal of Computational Methods in Sciences and Engineering 22, no. 2 (2022): 483–93. http://dx.doi.org/10.3233/jcm-215767.

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In order to promote the development of sports distance network education, a college sports teaching feasibility analysis platform based on mobile social network is designed. The key technologies such as Ajax, database and XML, Java Web containers applied to mobile social networks provide a technical basis for the platform design of this paper. Design the feasibility analysis platform framework using MVC mode, three platform functional modules were designed. Among it, the member function module is responsible for the registration and modification of the platform personal information of members;

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Yadgarov, Uktam, Yunus Akhmedov, Shukhrat Asadov, and Makhmud Badiev. "Physical and mechanical modeling of shaping pneumatic formwork by bicubic splines." Journal of Physics: Conference Series 2697, no. 1 (2024): 012017. http://dx.doi.org/10.1088/1742-6596/2697/1/012017.

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Abstract The article deals with the hierarchical design structure, consisting of four stages of the stress state of pneumatic shells. The main tasks of designing and constructing pneumatic formworks during the construction of thin-walled architectural shells are considered. The introduction of pneumatic formwork into architectural and construction practice has a significant impact on the ability of the architect, builder and designer in the search for new and more advanced forms, as well as the builder in translating the creative ideas of the architect into steel and modern concrete. Thanks to

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Li, Qingji, Dapeng Zhang, Jianwei Ji, Zhouping Sun, and Yonggang Wang. "Modeling of Natural Ventilation Using a Hierarchical Fuzzy Control System for a New Energy-Saving Solar Greenhouse." Applied Engineering in Agriculture 34, no. 6 (2018): 953–62. http://dx.doi.org/10.13031/aea.12757.

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Abstract. Natural ventilation as part of a greenhouse environment control system can save energy, reduce pollution, and cut the costs of production. Many studies have used the energy balance method to model greenhouse environments and calculate the rates of ventilation needed to control them. However, the efficacy of this method is influenced by many factors. There are often many parameters in the energy balance model, related to the greenhouse structure, crop growth, and climate. Thus, the effectiveness and applicability of greenhouse ventilation systems based on energy balance can be comprom

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Khan, Muhammad K., Muhammad Shiraz, Qaisar Shaheen, et al. "Hierarchical Routing Protocols for Wireless Sensor Networks: Functional and Performance Analysis." Journal of Sensors 2021 (May 7, 2021): 1–18. http://dx.doi.org/10.1155/2021/7459368.

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Wireless sensor network (WSN) comprises of spatially distributed autonomous sensors to monitor physical or environmental conditions, such as temperature, sound, and pressure, and to cooperatively forward the collected information to the destination through the network infrastructure. As sensor nodes are energy constraint devices, therefore, the importance of energy efficient routing protocols has been increased. In order to minimize energy consumption, recently, a number of hierarchical routing protocols are proposed. For instance, LEACH is an elementary hierarchical routing protocol that empl

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Huang, Yunhan, Juntao Chen, Linan Huang, and Quanyan Zhu. "Dynamic games for secure and resilient control system design." National Science Review 7, no. 7 (2020): 1125–41. http://dx.doi.org/10.1093/nsr/nwz218.

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Abstract Modern control systems are featured by their hierarchical structure composed of cyber, physical and human layers. The intricate dependencies among multiple layers and units of modern control systems require an integrated framework to address cross-layer design issues related to security and resilience challenges. To this end, game theory provides a bottom-up modeling paradigm to capture the strategic interactions among multiple components of the complex system and enables a holistic view to understand and design cyber-physical-human control systems. In this review, we first provide a

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Meher, S., L. K. Aagesen, M. C. Carroll, T. M. Pollock, and L. J. Carroll. "The origin and stability of nanostructural hierarchy in crystalline solids." Science Advances 4, no. 11 (2018): eaao6051. http://dx.doi.org/10.1126/sciadv.aao6051.

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The structural hierarchy exhibited by materials on more than one length scale can play a major part in determining bulk material properties. Understanding the hierarchical structure can lead to new materials with physical properties tailored for specific applications. We have used a combined experimental and phase-field modeling approach to explore such a hierarchical structure at nanoscale for enhanced coarsening resistance of ordered γ′ precipitates in an experimental, multicomponent, high-refractory nickel-base superalloy. The hierarchical microstructure formed experimentally in this alloy

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Hari, P., T. Petäjä, J. Bäck, et al. "Conceptual design of a measurement network of the global change." Atmospheric Chemistry and Physics Discussions 15, no. 15 (2015): 21063–93. http://dx.doi.org/10.5194/acpd-15-21063-2015.

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Abstract. The global environment is changing rapidly due to anthropogenic emissions and actions. Such activities modify aerosol and greenhouse gas concentrations in the atmosphere, leading to regional and global climate change and affecting e.g. food and fresh-water security, sustainable use of natural resources and even demography. Here we present a conceptual design of a global, hierarchical observation network that can provide tools and increased understanding to tackle the inter-connected environmental and societal challenges that we will face in the coming decades. The philosophy behind t

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Hari, P., T. Petäjä, J. Bäck, et al. "Conceptual design of a measurement network of the global change." Atmospheric Chemistry and Physics 16, no. 2 (2016): 1017–28. http://dx.doi.org/10.5194/acp-16-1017-2016.

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Abstract. The global environment is changing rapidly due to anthropogenic emissions and actions. Such activities modify aerosol and greenhouse gas concentrations in the atmosphere, leading to regional and global climate change and affecting, e.g., food and fresh-water security, sustainable use of natural resources and even demography. Here we present a conceptual design of a global, hierarchical observation network that can provide tools and increased understanding to tackle the inter-connected environmental and societal challenges that we will face in the coming decades. The philosophy behind

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Max, Nelson. "Hierarchical molecular modelling with ellipsoids." Journal of Molecular Graphics and Modelling 23, no. 3 (2004): 233–38. http://dx.doi.org/10.1016/j.jmgm.2004.07.001.

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Viscusi, Gianluca. "Fabrication of hierarchical Zn-Al structures onto cellulose through urea hydrolysis methodology: Design and study of physical properties." Journal of Molecular Structure 1295 (January 2024): 136739. http://dx.doi.org/10.1016/j.molstruc.2023.136739.

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Bormashenko, Edward. "Wetting transitions on biomimetic surfaces." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 368, no. 1929 (2010): 4695–711. http://dx.doi.org/10.1098/rsta.2010.0121.

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Biomimetic hierarchical surfaces demonstrate a potential for a variety of green technologies, including energy conversion and conservation, owing to their remarkable water repellence. The design of such surfaces allowing emerging green applications remains a challenging scientific and technological task. Understanding the physical mechanism of wetting transitions (WTs) is crucial for the design of highly stable superhydrophobic materials. The main experimental and theoretical approaches to WTs are reviewed. Reducing the micro-structural scales is the most efficient measure needed to enlarge th

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Cheklat, Lamia, Mourad Amad, Mawloud Omar, and Abdellah Boukerram. "CHEARP: Chord-based hierarchical energy-aware routing protocol for wireless sensor networks." Computer Science and Information Systems, no. 00 (2020): 43. http://dx.doi.org/10.2298/csis200308043c.

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Wireless Sensor networks (WSNs) are mostly deployed in hostile environments, where nodes may do not have any information about their location. Hence, the designed routing protocols and applications have to function independently from the nodes location. Moreover, extending lifetime in such networks is a critical and challenging issue, since they consist of miniaturized energy-constrained devices. The motivation of this paper is to design an energy efficient location independent routing protocol for data delivery in WSNs. Therefore, a Chord-based Hierarchical Energy-Aware Routing Protocol (CHEA

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Karthick, S. "A Strategy to Accelerate VLSI Various Leveled Physical Structure in Floor Planning." Journal of VLSI Design and Signal Processing 5, no. 2 (2019): 1–8. https://doi.org/10.5281/zenodo.2649813.

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<em>With the fast increment in size and unpredictability of VLSI, it is difficult to meet speed and quality necessity of IC physical structure. In this study, we have presented an effective model for brisk floor planning in VLSI top-down various leveled physical structure stream utilizing the active-logic reduction technology. The disentangled show replaces some unique modules in netlist record with filling units which have no sensible associations. This technique can successfully decrease interior coherent units and rapidly foresee if chip configuration accomplishes timing conclusion after be

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Kaur, Mukhwinder. "Types Routing Protocols based one Energy Efficiency." International Journal for Research in Applied Science and Engineering Technology 9, no. 9 (2021): 709–11. http://dx.doi.org/10.22214/ijraset.2021.38057.

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Abstract: Wireless sensor networks (WSNs) consist of autonomous sensors distributed in space to monitor physical or environmental conditions such as temperature, sound, and pressure, and to coordinate communications. The information collected reaches its destination through the network infrastructure. Energy-efficient routing protocols are becoming more important because sensor nodes are power-limited devices. Several tiered routing protocols have recently been proposed to minimize power consumption. For example, LEACH is a basic hierarchical routing protocol that uses clustering to achieve en

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Han, Kuo, Yang Shao, Jinzai Han, Wenyu Song, and Zhiqiang Sun. "Digital Design and Optimization of Intelligent Parameter-Driven Lubrication Systems." Advances in Engineering Technology Research 13, no. 1 (2025): 1607. https://doi.org/10.56028/aetr.13.1.1607.2025.

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In response to limited multi-condition simulation accuracy and inefficient manual calibration of gas turbine lubrication systems, this paper proposes a hybrid modeling framework that combines physical mechanism models with data-driven techniques. An object-oriented, modular approach is used to develop a multi-physics bearing chamber model encompassing bearing dynamic lubrication, oil–gas two-phase flow, and graphite-seal heat transfer. By coupling the physical model with an intelligent parameter optimization algorithm, hierarchical dynamic corrections are achieved. Through signal-flow modeling

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Dr.A.Shaji, George. "The Evolution of Data Center Networks: Strategies for Modern Infrastructure Design." Partners Universal Multidisciplinary Research Journal (PUMRJ) 02, no. 03 (2025): 141–59. https://doi.org/10.5281/zenodo.15450624.

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Data center networks have undergone dramatic transformation in response to shifting technological landscapes and business requirements. This article examines how traditional hierarchical network designs have given way to more efficient, scalable architectures as organizations adapt to cloud computing paradigms, AI workloads, and distributed systems. The analysis covers the foundational elements of modern data center networks, from physical topology selection to advanced fabric designs, security segmentation methodologies, and automation frameworks. By closely looking at spine-leaf architecture

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Vendruscolo, Taiana Paula Streck, Valvenarg Pereira da Silva, Rafhael Felipin-Azevedo, et al. "Genetic divergence in biomass sorghum genotypes through agronomic and physical-chemical characters." Research, Society and Development 9, no. 9 (2020): e552997536. http://dx.doi.org/10.33448/rsd-v9i9.7536.

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The present research aimed to evaluate the genetic divergence in 34 sorghum biomass genotypes via agronomic and physicochemical characters. The design used was randomized blocks with three replications. The agronomic and physical-chemical characteristics evaluated were: days for flowering, number of stems, plant height, number of leaves, green mass production, dry mass production, determination of total ash, determination of volatile content, insoluble lignin and determination of fixed carbon content. The data were submitted to analysis of variance and then, to estimate divergence, the general

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Kasuganti, Aneetha Rao. "Do ambient conditions in offices impact learning?" Facilities 36, no. 5/6 (2018): 291–307. http://dx.doi.org/10.1108/f-03-2016-0027.

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Purpose The purpose of this paper is to investigate the relationship between satisfaction with ambient conditions and perceptions of situated learning in knowledge-intensive organizations. The paper argues that satisfaction with ambient conditions facilitates situated learning in open office environments. Design/methodology/approach A cross-sectional study was conducted on 117 professionals from IT and consultancy companies. Hierarchical linear regression was used to analyze the impact of satisfaction with ambient conditions on perceptions of situated learning. Findings Learning that occurs in

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