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Journal articles on the topic 'Enclosure methods'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Peng, Geqing, Xiaoshuang Shi, Ruihan Hu, Xiaoli Wang, and Jinsheng Zhan. "Research and Prospects of Airtightness of Biological Laboratory Enclosures: Influencing Factors and Evaluation Methods." Buildings 15, no. 13 (2025): 2314. https://doi.org/10.3390/buildings15132314.

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The airtightness of enclosures in biological laboratories is paramount for effective isolation between internal and external environments, ensuring containment of hazardous pathogens and mitigating accidental release risks. Consequently, studying and enhancing the airtightness of these enclosures significantly contributes to maintaining laboratory safety, safeguarding personnel health, and preventing disease. This paper examines the critical role of the enclosure structure in biological laboratories and how airtightness impacts the laboratory environment. It analyzes the current state of resea

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2

Hussein, Khalid F. A. "Spatial Filter Housing for Enhancement of the Shielding Effectiveness of Perforated Enclosures with Lossy Internal Coating: Broadband Characterization." International Journal of Antennas and Propagation 2013 (2013): 1–10. http://dx.doi.org/10.1155/2013/353647.

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This work is concerned with studying and enhancement of the electromagnetic shielding effectiveness of open metallic enclosures with openings over a wide range of the frequency including the UHF band. The suggested methods depend on the suppression of the excessive power penetrating the enclosure cavity especially at its resonances by a variety of methods that include increasing aspect ratio of the rectangular aperture, splitting the opening into a number of apertures, coating the internal walls of the metallic enclosure with a multilayered lossy material of the appropriate conductivity profil

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3

Rihm, Robert. "Implicit Methods for Enclosing Solutions of ODEs." JUCS - Journal of Universal Computer Science 4, no. (2) (1998): 202–9. https://doi.org/10.3217/jucs-004-02-0202.

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The paper presents a new enclosure method for initial value problems in systems of ordinary differential equations. Like the common enclosure methods (eg Lohner's algorithm AWA), it is based on Taylor expansion. In contrast to them, however, it is an implicit method. The solution sets of nonlinear inequalities have to be enclosed by a Newton-like algorithm. As the presented examples show, the new method sometimes yields much tighter bounds than any of the common explicit methods.

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McConnell, Heather, James Brereton, Tom Rice, and Paul Rose. "Do Birds of a Feather Always Flock Together? Assessing Differences in Group and Individual Zoo Enclosure Usage by Comparing Commonly Available Methods." Journal of Zoological and Botanical Gardens 3, no. 1 (2022): 71–88. http://dx.doi.org/10.3390/jzbg3010007.

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Data on zoo enclosure usage provide meaningful evaluation of husbandry and welfare but for social species, group-level data may not capture individual occupancy preferences. Determining zone occupancy using group data may give an inaccurate assessment of enclosure suitability for each individual. We compared three formulae (traditional and modified Spread of Participation Index and Electivity Index) to determine how estimations of space usage compare between individuals and their group overall. Two flamingo flocks at two zoos were sampled with enclosures separated into discrete zones. Counts o

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P. Barna, Judit, István Eke, Mihály Pethe, et al. "Remarks on the research methods of the Neolithic circular enclosures: possibilities and limitations of non-invasive investigations in the light of the research of the Ligetfalva, Gesztenyési-dűlő site." Glaeba, no. 1 (2021): 33–55. http://dx.doi.org/10.54098/glaeba.2021.1.2.

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This study presents the non-invasive investigation of a Late Neolithic circular enclosure discovered not long ago. We were able to document traces of a settlement and the nearly complete layout of a treble circular enclosure system (roundel) from the Lengyel culture at Ligetfalva, Gesztenyés-dűlő in Zala County. We provide a review of the possibilities and limitations of non-invasive research methods regarding Neolithic circular enclosures by presenting the investigations of the roundel at Ligetfalva conducted by land survey, aerial photography and geophysical survey.

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Wark, Jason D., Natasha K. Wierzal, and Katherine A. Cronin. "Mapping Shade Availability and Use in Zoo Environments: A Tool for Evaluating Thermal Comfort." Animals 10, no. 7 (2020): 1189. http://dx.doi.org/10.3390/ani10071189.

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For many species in zoos, particularly megafauna vulnerable to heat stress, shade is a key environmental resource. However, shade availability has received comparatively less attention than other aspects of the zoo environment. In this study, we share a simple low-cost approach that we applied to document shade availability across 33 zoo enclosures. We then combined these assessments with behavioral observations of enclosure use and shade-seeking behavior during summer months in a case study focused on Sichuan takin (Budorcas taxicolor tibetana) (n = 3), a large cold-adapted bovid. Behavioral

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Fisahn, Sven, Sebastian Koj, and Heyno Garbe. "Analysis of the coupling of electromagnetic pulses into shielded enclosures of vulnerable systems." Advances in Radio Science 16 (July 31, 2019): 215–26. http://dx.doi.org/10.5194/ars-16-215-2019.

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Abstract. In order to predict the immunity to electromagnetic interference of vulnerable systems, not only the electronic system but also its enclosure has to be taken into consideration. In this work, the coupling behavior of electromagnetic pulses (EMP) and continuous wave (CW) signals into the shielded enclosure of a generic system is investigated by metrological and numerical methods. Since this enclosure forms an unwanted or parasitic cavity resonator, the enclosure`s resonance behavior as well as the characteristic quantities, i.e., the resonance frequencies and corresponding quality fac

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Kovtun, Igor, Juliy Boiko, Svitlana Petrashchuk, and Tomasz Kałaczyński. "Methods for Vibration Reduction in Enclosed Electronic Packages." MATEC Web of Conferences 302 (2019): 01008. http://dx.doi.org/10.1051/matecconf/201930201008.

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Excitation and transmission of vibration inside electronic packages are strongly connected with mechanical characteristics of their enclosure, which are in the objective for the current research aimed at developing methods and means to reduce vibration inside the enclosure case. The main idea of the introduced methods is in creating elastic and dissipative mechanical joints between structural elements, which appear to be the links for vibration transmission, inside and outside of the electronic package enclosure. The effectiveness of developed methods is proved by experimental verification and

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9

Puehringer-Sturmayr, Verena, Monika Fiby, Stephanie Bachmann, et al. "Effects of food-based enrichment on enclosure use and behavioral patterns in captive mammalian predators: a case study from an Austrian wildlife park." PeerJ 11 (October 9, 2023): e16091. http://dx.doi.org/10.7717/peerj.16091.

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Background Combining naturalistic enclosure design and animal welfare with visitor interests and education can be challenging for zoos and wildlife parks. To accomplish both purposes, different types of enrichment (food-based or non-food-based items, such as environmental, sensory, cognitive, social) can be used. The aim of the present study is to investigate the effect of food-based and olfactory enrichments on enclosure use, behavior, and visibility of captive brown bears (Ursus arctos), pine martens (Martes martes), domestic ferrets (Mustela putorius furo), and golden jackals (Canis aureus)

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10

Duncan, Luke Mangaliso, Chiara D’Egidio Kotze, and Neville Pillay. "Long-Term Spatial Restriction Generates Deferred Limited Space Use in a Zoo-Housed Chimpanzee Group." Animals 12, no. 17 (2022): 2207. http://dx.doi.org/10.3390/ani12172207.

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Background: Appropriate space is considered paramount for good captive animal welfare. There has been a concerted effort by captive institutions, particularly zoos, to provide captive animals with relatively large, naturalistic enclosures which havehad demonstrated welfare benefits for animals. However, post-occupancy assessments of these enclosures tend to focus on short-term welfare-centredbehavioural effects or human perceptions of the enclosures and their effects and seldom consider spaceuse. We examined the space use of a group of eight captive chimpanzees 5 years after large-scale enclos

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11

Qatanani, Naji A. "Use of the multigrid methods for heat radiation problem." Journal of Applied Mathematics 2003, no. 6 (2003): 305–17. http://dx.doi.org/10.1155/s1110757x03301160.

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We consider the integral equation arising as a result of heat radiation exchange in both convex and nonconvex enclosures of diffuse grey surfaces. For nonconvex geometries, the visibility function must be taken into consideration. Therefore, a geometrical algorithm has been developed to provide an efficient detection of the shadow zones. For the numerical realization of the Fredholm integral equation, a boundary element method based on Galerkin-Bubnov discretization scheme is implemented. Consequently, multigrid iteration methods, which are closely related to two-grid methods, are used to solv

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Teodorescu, Debbie L., Stephen Okajima, Asad Moten, et al. "A Paradigm Shift in Critical Care Infrastructure in Complex Settings: Evaluating an Ultraportable Operating Room to Improve Field Surgical Safety." Military Medicine 186, Supplement_1 (2021): 295–99. http://dx.doi.org/10.1093/milmed/usaa311.

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ABSTRACT Introduction Scarcity of operating rooms and personal protective equipment in far-forward field settings make surgical infections a potential concern for combat mortality and morbidity. Surgical and transport personnel also face infectious risks from bodily fluid exposures. Our study aimed to describe the serial, proof-of-concept testing of the SurgiBox technology: an inflatable sterile environment that addresses the aforementioned problems, fits on gurneys and backpacks, and drapes over incisions. Materials and Methods The SurgiBox environmental control unit and inflatable enclosure

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Harshna, Gupta, Chaudhary Gaurav, Mohan Singh Krishna, Malik Ashish, and Kumar Devendra. "Enclosure Design for 3D Printing." International Journal of Trend in Scientific Research and Development 2, no. 4 (2019): 618–23. https://doi.org/10.31142/ijtsrd13023.

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In the recent past many industries have widely started adopting 3D Printing for prototyping and manufacturing of low volume customized parts. This paper will look at additive manufacturing or 3D printing and how electronic enclosures can be developed using this technology. It will define the meaning of this term and what is so significant about it. It will delve a bit into its advantages, compared to conventional methods of manufacturing and its types. Then finally we will discuss the steps involved in design of these enclosures and some guidelines while designing them for 3D printing. Harshna

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14

Wang, Di, Yi-Ran Zhang, Yu-Long Feng, Zhi Liu, and Bo Qu. "Changes in vegetation and soil properties following 6 years of enclosure in riparian corridors." Journal of Plant Ecology 13, no. 2 (2020): 131–38. http://dx.doi.org/10.1093/jpe/rtaa002.

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Abstract Aims Riparian corridors play vital roles in the maintenance of biodiversity. Nonetheless, plant species diversity and vegetation coverage in riparian corridors are seriously threatened by increasing pressure owing to livestock consumption and anthropogenic disturbance; even the stability of river courses has been threatened. The establishment of enclosures is a widely used strategy to restore degraded grassland ecosystems, but its impact on degraded herbaceous riparian vegetation and soil properties remains unclear. The aim of this study was to evaluate whether species composition, ri

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15

Karni, Eyal. "Retractable Spatial Structures for Swimming Pool Enclosures." International Journal of Space Structures 10, no. 4 (1995): 231–36. http://dx.doi.org/10.1177/026635119501000405.

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Retractable spatial structures are modern buildings designed to comply with the user's flexibility needs – concerning the complete or partial opening of a building's enclosure. Most sport activities are usually preferred, by spectators as well as by competitors, to be held in open air. Swimming, a popular sport activity, is highly sensitive to cold and wind. The need for retractable structures arises since weather conditions vary with seasons while current market demand is for year-round activity. Designing retractable enclosures for swimming pools involves specific criteria, resulting from th

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16

Zhang, S., and L. Cheng. "Shape Optimization of Acoustic Enclosures Based on a Wavelet–Galerkin Formulation." International Journal of Applied Mechanics 07, no. 01 (2015): 1550009. http://dx.doi.org/10.1142/s1758825115400098.

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The problem of the shape optimization of acoustic enclosures is investigated in this paper. A general procedure, comprising a Wavelet–Garlerkin formulation and a so-called vertex-driven shape optimization is proposed to deal with the general problem of internal sound field prediction and the optimization of the boundary shape. It is shown that, owing to the compactly supported orthogonal property and the remarkable fitting ability, Daubechies Wavelet can be used as a global basis to approximate the unknown sound field on a relatively large interval globally instead of piecewise approximation l

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17

Coelho, Cideli de Paula, Thaís Sanches, Mayra Frediani Frediani, Talita Risério, Francisco Conde, and Sonia Pinheiro. "Giardia nosode 30cH in the treatment of howler monkey (Alouatta guariba) with giardiasis in captivity in Brazil." International Journal of High Dilution Research - ISSN 1982-6206 22, no. 2 (2023): 67–68. http://dx.doi.org/10.51910/ijhdr.v22i2.1366.

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The red howler monkey (Alouatta guariba) is an endemic primate of the Atlantic Forest, classified as vulnerable. They're susceptible to giardiasis, impacting human health and Alouatta genus conservation. Studies report parasite occurrence in wild and captive individuals. While asymptomatic infections are common in captivity, immunosuppression can lead to severe cases. São Paulo's Wildlife Division maintains a large captive population. To assess Giardia duodenalis presence, fecal samples were collected from 43 individuals in 17 enclosures over three days, totaling 153 examinations. Animals were

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18

SHAW, RICHARD PAUL, PAUL VAN SLOOTEN, and MATTHEW NOBILE. "OPTIMAL SOURCE LOCATIONS FOR VARIOUS GEOMETRIES FOR ACOUSTIC REFLECTORS BY BOUNDARY ELEMENT METHODS." Journal of Computational Acoustics 02, no. 04 (1994): 423–39. http://dx.doi.org/10.1142/s0218396x94000245.

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A boundary element method (BEM) approach is used to solve the acoustic problem of a point source within an enclosure with a large opening to an infinite (without a baffle) or semi-infinite (with a baffle) acoustic space. Emphasis is placed on 2D models with the source located along the center line of three types of geometries: a wedge, a parabola, and a rectangular enclosure.

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19

Skvortsov, K. D., and R. A. Mangushev. "Taking into account the deformation effect of sheet piling enclosing of excavation pits on the additional settlement of surrounding buildings." Вестник гражданских инженеров 19, no. 5 (2022): 61–68. http://dx.doi.org/10.23968/1999-5571-2022-19-5-61-68.

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In the practice of modern construction, the development of underground space for buildings and structures erected in dense urban environment is becoming increasingly common. Such construction involves a number of risks, one of which is a significant displacement of excavation enclosures, which in turn leads to additional settlement of the neighboring development. The paper considers some numerical and analytical methods of calculating sheet piling enclosures taking into account both the enclosure displacements and additional settlements of neighboring buildings. The authors propose to improve

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20

Pota, Hemanshu R., Ian R. Petersen, and Atul G. Kelkar. "Robust Control of a 2D Acoustic Enclosure*." Journal of Vibration and Acoustics 125, no. 3 (2003): 374–83. http://dx.doi.org/10.1115/1.1570447.

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This paper reports experimental results in the application of feedback control of acoustic noise in a 2D enclosure. It is shown that the feedback control of 2D enclosures poses peculiar problems compared to simple 1D ducts. The chief among them are the need for explicit budgeting of uncertainties and dealing with high model orders. This paper demonstrates a practical way to design controllers for such systems using minimax LQG methods. It is shown that an important step in the controller design is the proper choice of a weighting function. The results presented in this paper are impressive and

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21

Tu, Q., and J. Rastegar. "Determination of Allowable Manipulator Link Shapes; and Task, Installation, and Obstacle Spaces Using the Monte Carlo Method." Journal of Mechanical Design 115, no. 3 (1993): 457–61. http://dx.doi.org/10.1115/1.2919212.

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The Monte Carlo method is used to solve a number of manipulator link shape design, task space, and obstacle placement problems. The shape of links of manipulators that are to operate within geometrically specified enclosures are determined. Within the enclosure, one or several obstacles may be present. For a specified operating environment, the spaces within which a given manipulator may be installed in order to perform the required tasks are identified. For a given enclosure, the allowable task spaces, and regions within which obstacles may be placed are mapped. By defining weighted distribut

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Piskun, G. А., V. F. Аlexeev, A. V. Stsepchankou, A. N. Popov, A. N. Belikov, and D. G. Rybakov. "Effect of the Configuration and Shape of External Ribs of Sealed Enclosures of Electronic Devices on Heat Removal Efficiency." Journal of the Russian Universities. Radioelectronics 26, no. 5 (2023): 63–75. http://dx.doi.org/10.32603/1993-8985-2023-26-5-63-75.

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Introduction. Modern computing and electronic devices are constructed on the basis of radio-electronic components, such as processors, graphics processing units, etc. During operation, these components emit tens of watts of thermal energy. Therefore, effective excess heat removal from both semiconductor electronic devices and electronic systems as a whole through the use of passive or active cooling systems represents an important research problem. Aim. To study the influence of the configuration and shape of external ribs of sealed enclosures of electronic devices, which use solely passive co

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23

Plum, Michael. "Computer-assisted enclosure methods for elliptic differential equations." Linear Algebra and its Applications 324, no. 1-3 (2001): 147–87. http://dx.doi.org/10.1016/s0024-3795(00)00273-1.

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Mayer, G. "A Unified Approach to Enclosure Methods for Eigenpairs." ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik 74, no. 2 (1994): 115–28. http://dx.doi.org/10.1002/zamm.19940740215.

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25

Sini, Mourad. "Comment on ‘Revisiting the probe and enclosure methods’." Inverse Problems 39, no. 12 (2023): 128001. http://dx.doi.org/10.1088/1361-6420/ad0c41.

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Abstract In the recent manuscript (Ikehata 2022 Inverse Problems 38 075009), the author made some comments on our previous work (Sini and Yoshida 2012 Inverse Problems 28 055013) saying that few arguments in the proof of lemma 3.5 might be incomplete for C 0 , 1 -regular domains. In this note, we reply to his comments by showing that, for C 1-regular domains, those arguments are correct.

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Moraes, Elson Cesar, Vilson Souza Pereira, and José Maria Campos Dos Santos. "Energy spectral element method for longitudinal acoustic propagation in ducts." Concilium 23, no. 3 (2023): 30–39. http://dx.doi.org/10.53660/clm-834-23b05.

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Sound field behavior in an acoustic enclosure is an important part of the design of transportation vehicle passenger cabin, concert halls, conference rooms, and etc. Different analysis methods are available and have strengths and weaknesses. Low frequency band envelopes and negligible absorption in the walls can be modeled by Modal Analysis or Finite Element Method. However, as the frequency band increases, both methods become computationally intensive and Statistical Energy Analysis or the Sabine model can be an efficient approach. However, these methods do not take into account any spatial v

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Poursoltan mohammadi, Amir hossein, M. Chehel Amirani, and Faghihi Faghihi. "Comparison of Shielding Effectiveness in Complex Curved Structure with Different Numerical Methods, FDTD, MOM and Equivalent Circuit." Indonesian Journal of Electrical Engineering and Computer Science 12, no. 3 (2018): 1010. http://dx.doi.org/10.11591/ijeecs.v12.i3.pp1010-1019.

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<p>The study of the effect of shielding on high frequency equipment is very important in the electromagnetic compatibility of control and communication equipment. In this paper, while presenting a curved complex structure for the shielding enclosure, the different number of apertures with different dimensions has been investigated. A rectangular structure with two curved parts behind of the enclosure simulated based on numerical methods, FDTD, MOM and equivalent circuit for better analysis of electromagnetic interference. After introducing the proposed structure and presenting the curvat

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Quan, Yu Sheng, Lin Jie Fang, Yan Wu, and Zi Jian Wang. "Current Detection Methods of Partial Discharge for Distribution Network Switchgear." Applied Mechanics and Materials 521 (February 2014): 313–16. http://dx.doi.org/10.4028/www.scientific.net/amm.521.313.

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There are many factors that can lead to partial discharge in the internal of switchgear. High-frequency current will be generated on the inner wall of switchgear when the electromagnetic wave generated by partial discharge reaches the enclosure of switchgear. In the same way, more complex current signal will be produced on the outer wall of the switchgear because of the electromagnetic radiation outside the enclosure. These two currents will flow to earth through the switchgear ground wire. We can determine whether the switchgear exist partial discharge and the severity of the partial discharg

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29

Minea, Alina. "A review on analytical techniques for natural convection investigation in a heated closed enclosure: Case study." Thermal Science 19, no. 3 (2015): 1077–95. http://dx.doi.org/10.2298/tsci131027021m.

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The aim of this paper is to present a theoretical analysis of a few convection problems. The investigations were started from the geometry of a classic muffle manufactured furnace. During this analytical study, different methodologies have been carefully chosen in order to compare and evaluate the effects of applying different analytical methods of the convection heat transfer processes. In conclusion, even if there are available a lot of analytical methods, natural convection in enclosed enclosures can be studied correctly only with numerical analysis. Also, in this article is presented a cas

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Randolph, Sarah E., and Gordon M. Steele. "An experimental evaluation of conventional control measures against the sheep tick, Ixodes ricinus (L.) (Acari: Ixodidae). II. The dynamics of the tick-host interaction." Bulletin of Entomological Research 75, no. 3 (1985): 501–18. http://dx.doi.org/10.1017/s0007485300014607.

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AbstractThe experimental manipulation of separate, but originally identical, populations of Ixodes ricinus (L.) by applying three conventional tick control measures in different enclosures on naturally infested moorland in Wales allowed the elements of the tick-host interaction to be analysed quantitatively and the effectiveness of the control methods to be compared. From the relationship between the sheep stocking density and the numbers of questing ticks picked up by fortnightly blanket-dragging in each enclosure, the death rate of ticks during their activity season and the rate of contact b

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Malkocevic, Damir, and Milan Blagojevic. "Enclosure Fire with Time-Dependent Changes in Ventilation Factor and Geometry—Field Model Parameters Analysis." Applied Sciences 13, no. 8 (2023): 4813. http://dx.doi.org/10.3390/app13084813.

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The fire scenarios currently used for structural fire design are based on traditional methods that derive from the extrapolation of existing fire test data. The traditional “furnace” geometry test allows a good circulation of the fire gases and a relatively homogeneous temperature distribution throughout the enclosure. These conditions are different from what is observed in real-situation fires. As a result, the need for a field model for an enclosure fire has increased significantly, and appropriate deterministic models are necessary for fire safety engineering. The effects of different strat

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Brander, Tommi, Bastian Harrach, Manas Kar, and Mikko Salo. "Monotonicity and Enclosure Methods for the $p$-Laplace Equation." SIAM Journal on Applied Mathematics 78, no. 2 (2018): 742–58. http://dx.doi.org/10.1137/17m1128599.

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Basiev, A. N. "Improving methods of pit enclosure in dense urban settings." Soil Mechanics and Foundation Engineering 41, no. 6 (2004): 214–19. http://dx.doi.org/10.1007/s11204-004-0005-4.

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Xu, Yangqing, Yuxiang Zhao, Qiangqiang Jiang, Jie Sun, Chengxin Tian, and Wei Jiang. "Machine-Learning-Based Deformation Prediction Method for Deep Foundation-Pit Enclosure Structure." Applied Sciences 14, no. 3 (2024): 1273. http://dx.doi.org/10.3390/app14031273.

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During the construction of deep foundation pits in subways, it is crucial to closely monitor the horizontal displacement of the pit enclosure to ensure stability and safety, and to reduce the risk of structural damage caused by pit deformations. With advancements in machine-learning (ML) techniques and correlation analysis in engineering, data-driven methods that combine ML with engineering monitoring data have become increasingly popular. These methods offer benefits such as high prediction accuracy, efficiency, and cost effectiveness. The main goal of this study was to develop a machine-lear

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Feng, Xiao, and Yan Feng Li. "Evaluation of Positive Pressure Ventilation for High-Rise Buildings in Compartment Fire Situation." Advanced Materials Research 446-449 (January 2012): 2908–13. http://dx.doi.org/10.4028/www.scientific.net/amr.446-449.2908.

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An alternate means for protecting high-rise stairwell enclosures using the positive pressure ventilation is evaluated. An analysis performed by using the Fire Dynamics Simulator (FDS) model shows that the positive pressure ventilation can be an effective method for protecting the stairwell enclosure. Three types of ventilation methods are compared in the same fire condition and the best one is determined based on the decrease of temperature in the stairwell. The optimal rate for ventilating the stair requires optimization of the airflow rate according to postulated fire scenarios for the build

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Issakhov, А. А., and К. Е. Baibatyrova. "THE EFFECT OF THERMOPHYSIZAL PROPERTIES OF FLUIDS ON CONVECTIVE HEAT TRANSFER IN ELECTRONIC DEVICES." Herald of the Kazakh-British technical university 20, no. 3 (2023): 26–37. http://dx.doi.org/10.55452/1998-6688-2023-20-3-26-37.

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The impact of enclosure aspect ratio and different thermophysical properties of fluids on heat transfer were investigated in rectangular enclosure with 3x3 array of flush-mounted chips placed on the front vertical wall with constant temperature and cooled by the opposite wall. To study heat transfer inside the enclosure simulations were done for four enclosure aspect ratios(A=1.0, 5.0, 7.5, 20.0) and five fluids(air, water, FC-40, FC-72, FC-88). Numerical results show that the highest velocities are in the air while low velocities have been noticed in the water, FC-40, FC-72, FC-88. The maximu

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Li, Hongyu, Fu Li, Zhihua Zhao, Janfeng Yang, and Juan Lv. "Optimization Design of Space Camera Enclosure Based on Bionics." Applied Sciences 15, no. 3 (2025): 1016. https://doi.org/10.3390/app15031016.

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To optimize the design of the space camera enclosure, this paper employs biomimicry methods. The study compares the structural characteristics of the tendons and veins of the Victoria lindl, analyzes the similarities between the reinforced tendons and the Victoria lindl structure, and explores the feasibility of biomimicry design. An evaluation factor set and judgment matrix are established for both, and a similarity evaluation is conducted. Utilizing the Solidworks-Ansys interface, parametric modeling is performed, completing the biomimetic initial structural design of the space camera enclos

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Zheldakov, Dmitry, Radik Mustafin, Vladimir Kozlov, Askar Gaysin, Dmitriy Sinitsin, and Bulat Bulatov. "Durability Control of Brickwork's Material Including Operation Parameters of the Building Enclosure." Mathematical Modelling of Engineering Problems 8, no. 6 (2021): 871–80. http://dx.doi.org/10.18280/mmep.080605.

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This paper aims to develop a method to determine material durability based on physicochemical laws that describe chemical corrosion in building enclosures. The subject of this research is studying the chemical corrosion in the material in building constructions. The object of this research is the material of building ceramics. Methods that the authors used for reaching this goal include developing a multi-staged process of material degradation of building ceramics, conduction of thermodynamic calculations, and conducting laboratory research on process kinetics. The results of kinetic researche

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Porter, Jason M., Marvin E. Larsen, J. Wesley Barnes, and John R. Howell. "Metaheuristic Optimization of a Discrete Array of Radiant Heaters." Journal of Heat Transfer 128, no. 10 (2006): 1031–40. http://dx.doi.org/10.1115/1.2345430.

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The design of radiant enclosures is an active area of research in radiation heat transfer. When design variables are discrete such as for radiant heater arrays with on-off control of individual heaters, current methods of design optimization fail. This paper reports the development of a metaheuristic thermal radiation optimization approach. Two metaheuristic optimization methods are explored: simulated annealing and tabu search. Both approaches are applied to a combinatorial radiant enclosure design problem. Configuration factors are used to develop a dynamic neighborhood for the tabu search a

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Howell, J. R. "The Monte Carlo Method in Radiative Heat Transfer." Journal of Heat Transfer 120, no. 3 (1998): 547–60. http://dx.doi.org/10.1115/1.2824310.

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The use of the Monte Carlo method in radiative heat transfer is reviewed. The review covers surface-surface, enclosure, and participating media problems. Discussion is included of research on the fundamentals of the method and on applications to surface-surface interchange in enclosures, exchange between surfaces with roughness characteristics, determination of configuration factors, inverse design, transfer through packed beds and fiber layers, participating media, scattering, hybrid methods, spectrally dependent problems including media with line structure, effects of using parallel algorith

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Yang, Hui, Yun-Peng Zhao, Chun-Wei Bi, and Yong Cui. "Numerical Study on Hydrodynamic Responses of Floating Rope Enclosure in Waves and Currents." Journal of Marine Science and Engineering 8, no. 2 (2020): 82. http://dx.doi.org/10.3390/jmse8020082.

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Enclosure aquaculture is a healthy and ecological aquaculture pattern developed in recent years to relieve the pressure due to the wild fish stock decline and water pollution. The object of this paper was a floating rope enclosure, which mainly consisted of floaters, mooring lines, sinkers and a net. In order to optimize mooring design factors, the hydrodynamic responses of the floating rope enclosure with different mooring systems in combined wave-current were investigated by experimental and numerical methods. Physical model experiments with a model scale of 1:50 were performed to investigat

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Czepiel, P. M., B. Mosher, R. C. Harriss, et al. "Landfill methane emissions measured by enclosure and atmospheric tracer methods." Journal of Geophysical Research: Atmospheres 101, no. D11 (1996): 16711–19. http://dx.doi.org/10.1029/96jd00864.

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Rihm, R. "On a class of enclosure methods for initial value problems." Computing 53, no. 3-4 (1994): 369–77. http://dx.doi.org/10.1007/bf02307387.

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Adams, Prof Dr Ing E., D. Cordes, and H. Keppler. "Enclosure Methods as Applied to Linear Periodic ODEs and Matrices." ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik 70, no. 12 (1990): 565–78. http://dx.doi.org/10.1002/zamm.19900701212.

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Ikehata, Masaru. "Reply to Comment on ‘Revisiting the probe and enclosure methods’." Inverse Problems 39, no. 12 (2023): 128002. http://dx.doi.org/10.1088/1361-6420/ad01d5.

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Abstract What should you do when you re-read the paper you intended to cite and found an error in the proof? In section 4 of Ikehata (2022 Inverse Problems 38 075009) the author pointed out that the proof of lemma 3.5 in Sini and Yoshida (2012 Inverse Problems 28 055013; 2013 Inverse Problems 29 039501) does not work for a Lipschitz obstacle case, by applying their approach to an essentially same lemma (lemma 3.2 in Ikehata (2022 Inverse Problems 38 075009)). For this, Sini (2023 Inverse Problems accepted) gave a comment. This is a reply to their comment.

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Zhang, Su, and Nan Chen. "New Analytical Method for Modeling Active Structure Acoustic Control System within an Irregular Enclosure." Journal of Low Frequency Noise, Vibration and Active Control 24, no. 4 (2005): 265–73. http://dx.doi.org/10.1260/026309205776232790.

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A new analytical method for the acoustic-structure coupled problem within an irregular enclosure, which has both inner sound sources, and exterior forces exciting it, was developed based on a method called the covering domain method. The method is not only more accurate and faster than numerical methods, such as FEM/BEM, but also can be used to solve acoustic-structure coupled problems within any irregular enclosure in a convenient way, that are impossible for the traditional analytical method. The model for, the active structure acoustic control (ASAC) system of an irregular enclosure based o

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Khodjaev, A. A., and I. S. Karimjonov. "Modern Lightweight Energy-Saving Frame-Sheathing Exterior Walls and Possibilities of Using Thereof in Construction of the Multi-Storey Reinforced Concrete Frame Buildings in Uzbekistan." Modern Trends in Construction, Urban and Territorial Planning 3, no. 2 (2024): 17–25. http://dx.doi.org/10.23947/2949-1835-2024-3-2-17-25.

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Introduction. Energy consumption and energy efficiency enhancement of buildings are among the most expedient objectives of the modern construction. Research is conducted on a wide range of issues within this field resulting in development of the efficient enclosure systems. One of the kind of such systems are the lightweight frame-sheathing enclosure walls, which allow enhancing the heat insulation of a building. The load-bearing members of such an enclosure are the light-gauge profiles encasing the low density heat-insulating material. In low-storey construction, the application of this techn

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Kihal, Mohammed Charif, Mohammed Chebout, Daoud Sekki, Marouane Kihal, Hakim Azizi, and Hocine Moulai. "Electromagnetic coupling evaluation of small metal enclosures with apertures using analytical, numerical and measurement analysis." South Florida Journal of Development 5, no. 11 (2024): e4590. http://dx.doi.org/10.46932/sfjdv5n11-003.

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We have presented an analytical analysis of the shielding effectiveness of small metal enclosures with apertures by the Roinson model based on the theory of transmission line circuits, as well as a numerical analysis by the finite-difference time-domain method (FDTD) and finite integgration technique (FIT) under the CST Software software, the results returned by these methods were compared with those provided by the measurement, the comparative study reveals a good agreement between the simulation and the measurement. The study carried out in this article has resulted in very significant resul

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Jiang, Z., Qingyan Chen, and F. Haghighat. "Airflow and Air Quality in a Large Enclosure." Journal of Solar Energy Engineering 117, no. 2 (1995): 114–22. http://dx.doi.org/10.1115/1.2870835.

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Knowledge of air flow patterns and thermal parameters are essential in the design of a ventilation system for large enclosures. The objective of this paper is to evaluate the possibility of using computer simulation to predict the airflow pattern and removal effectiveness of ventilation systems in large enclosures. The quality of air and thermal comfort in a three-floor shopping center are studied by the computational fluid dynamics (CFD) method. Two ventilation systems are selected. In System 1, rooms are ventilated by two ceiling slot diffusers, supplying air downward into the rooms. The hal

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Cortés, Daniel, David Gil, Jorge Azorín, Florian Vandecasteele, and Steven Verstockt. "A Review of Modelling and Simulation Methods for Flashover Prediction in Confined Space Fires." Applied Sciences 10, no. 16 (2020): 5609. http://dx.doi.org/10.3390/app10165609.

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Confined space fires are common emergencies in our society. Enclosure size, ventilation, or type and quantity of fuel involved are factors that determine the fire evolution in these situations. In some cases, favourable conditions may give rise to a flashover phenomenon. However, the difficulty of handling this complicated emergency through fire services can have fatal consequences for their staff. Therefore, there is a huge demand for new methods and technologies to tackle this life-threatening emergency. Modelling and simulation techniques have been adopted to conduct research due to the com

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