Academic literature on the topic 'Plastic analysis'

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Journal articles on the topic "Plastic analysis"

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Vingwe, Edward, Edgar Towa, and Arne Remmen. "Danish Plastic Mass Flows Analysis." Sustainability 12, no. 22 (November 19, 2020): 9639. http://dx.doi.org/10.3390/su12229639.

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In this paper, material flows and resource potentials for plastics at a national level in Denmark are mapped using an Environmentally Extended Multiregional Input-Output (EE-MRIO) database. EE-MRIO offers an operative improvement to current and prevalent methods for assessing the industrial and societal metabolism of resources, including plastics. The Exiobase is applied to map (1) the major sources, (2) calculate the total supply, (3) uses of plastics and waste generation, and (4) end of life pathways in order to indicate the potentials of plastics in the circular economy in Denmark with a focus on recycling. Furthermore, it elaborates how and why this method for performing Mass Flow Analysis (MFA) differs from mainstream assessments of material flows and from default uses of national statistical data. Overall, the results are that Denmark has a total supply of ≈551 kilotonnes (Kt) of plastics, out of which ≈522 Kt are used domestically and ≈168 Kt of plastic waste are generated annually. Out of the yearly amount of plastic waste, ≈50% is incinerated and 26% is recycled. These results indicate significant potentials for applying circular economy strategies and identify relevant sectors for closing the plastic loops. However, other initiatives are necessary, such as improvements in product design strategies, in the collection and sorting systems as well as in cross-sectoral collaboration.
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Genc, Ayten, Ozgur Zeydan, and Selin Sarac. "Cost analysis of plastic solid waste recycling in an urban district in Turkey." Waste Management & Research 37, no. 9 (July 3, 2019): 906–13. http://dx.doi.org/10.1177/0734242x19858665.

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The usage of plastics has exponentially increased in our daily lives over the past 50 years because of its durability, low costs and potential for diverse applications, such as widespread use as disposable items. In this study, first, the recycling cost of plastic wastes has been estimated by using actual data taken from a recycling centre, where plastic solid wastes were collected separately. The total amount of plastic wastes recycled at the centre was approximately 695 tonnes. The operating cost of plastics separation at the recycling centre, the transport of plastic wastes, labouring, maintenance, electricity, insurance and chemical costs were taken into consideration in the cost evaluation. Accordingly, the unit cost of recycling was calculated as US$0.40 kg−1 of plastic waste. This cost was compared with the predicted plastic recycling cost in the same region using statistical values. The predicted recycling cost was estimated based on assuming segregated collection by the municipalities of all PSW in municipal solid waste. Then the resulting unit cost of recycling was found to be US$0.25 kg−1 of plastic waste. In addition, the recycling costs were also evaluated including the revenue from the sales of recycled plastic granular. According to the evaluated total cost of plastic recycling, it can be concluded that mechanical recycling of plastics can only be an economical option if the recovery of plastics is improved.
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Ventola, Vanessa, Eliza Brenman, Grace Chan, Tarek Ahmed, and Marco J. Castaldi. "Quantitative analysis of residential plastic recycling in New York City." Waste Management & Research: The Journal for a Sustainable Circular Economy 39, no. 5 (April 8, 2021): 703–12. http://dx.doi.org/10.1177/0734242x211009968.

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More than 420,000 tonnes of plastic waste is produced every year in New York City (NYC). This plastic represents 15% of municipal solid waste in NYC and is in line with New York State and United States averages. This material is managed by NYC’s dual-stream recycling system and industry-leading material recovery facilities. However, not all plastic collected for recycling (diverted) is ultimately sold to be remanufactured into new products (recovered). This study utilizes publicly available data to quantify and compare the diversion and recovery rates of residential plastics in NYC to provide quantitative context of such a process in a large metropolitan area. In 2018, 35.2% of plastics suitable for recycling were diverted, indicating a potential to improve collection. Of these, only 53.4% of plastics diverted for recycling were ultimately recovered through sale into the markets. This is aligned with the theoretical maximum recycling potential described in other scholarly work. The 53.4% recovery rate of diverted plastics indicates that an increase in diversion would not yield an equivalent increase in recovery. Additionally, barriers to the recovery of plastic waste impact the actual recycling rate. The literature and this study recognize that contamination, technology limitations, and the availability of markets all influence the sorting and selling of plastics. Furthermore, plastic recycling has recently received significant attention due to the implementation of China’s National Sword policy. This study demonstrates that from 2017 to 2018, while the sales of plastics #3–7 decreased, the overall recovery rate of plastics in NYC was not impacted by China’s National Sword policy.
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Xu, Jia, Zixuan Wu, Yazhi Zhao, and Jingsan Yang. "Analysis of the Correlation and Regional Distribution of Plastic Waste Pollution." E3S Web of Conferences 241 (2021): 03004. http://dx.doi.org/10.1051/e3sconf/202124103004.

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Plastic has brought great convenience to people’s lives, but it has also brought severe environmental pollution to the world. It is almost impossible to break down entirely in nature, and plastic waste, whether in rivers, oceans, or on land, can persist in the environment for centuries. The problem of plastic waste disposal has caused worldwide concern. It is necessary to reduce the production of plastic products through global cooperation effectively. However, achieving this goal will also involve some unexpected issues, such as controlling the adverse economic impact of plastics, and the rationality and fairness of the distribution of responsibilities between different countries. This paper collects massive data and takes China as an example to study the impact of plastic output reduction on China’s Express industry and the plastics manufacturing industry using multivariate regression. This paper summarizes the positive and negative effects of plastic waste reduction. Given the distribution and management of national and regional plastic waste responsibilities, the global carbon emission rights distribution method is used for reference. The comprehensive index allocation method is used to deal with the problem of both fairness and efficiency relatively. What is more, based on the conclusions, this paper also provides suggestions for a global joint response to plastic waste.
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Bai, Mengyu, and Daoji Li. "Quantity of plastic waste input into the ocean from China based on a material flow analysis model." Anthropocene Coasts 3, no. 1 (January 1, 2020): 1–5. http://dx.doi.org/10.1139/anc-2018-0028.

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Marine plastic waste has been an important global environmental issue in recent years, and quantifying the amount of global marine plastic waste input is vital for control and mitigation. However, determining an accurate quantity of oceanic plastics is challenging because comprehensive monitoring data are difficult to obtain on national and global scales. To understand the contribution of China in global marine plastic waste input, we used a material flow analysis (MFA) method, which is included in lifecycle assessment and combines statistical data from China’s official statistics, reports, and NPO (nonprofit organization) to establish an MFA model. The model assesses the lifecycle of plastics, which starts with primary plastic, passes the stage of plastic product, and eventually becomes plastic waste. With the MFA model, the annual amount of plastic waste entering the ocean from China from 2011 to 2020 can be calculated. In 2011, 0.65 million tonnes of plastic waste entered the ocean from China, and the quantity rose slowly until 2016. A rapid decline appeared in 2018 because of China’s governmental managements and the quantity will continue to decrease until 2020. Our results indicate the amount of oceanic plastics has a strong correlation with government control measures.
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Bayrak, Oguzhan, and Shamim A. Sheikh. "Plastic Hinge Analysis." Journal of Structural Engineering 127, no. 9 (September 2001): 1092–100. http://dx.doi.org/10.1061/(asce)0733-9445(2001)127:9(1092).

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Gulhane, Shreyas, and Sanjay Gulhane. "Analysis of Housing Structures Made From Recycled Plastic." IRA-International Journal of Technology & Engineering (ISSN 2455-4480) 7, no. 2 (S) (July 10, 2017): 45. http://dx.doi.org/10.21013/jte.icsesd201705.

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Due to rise in unleashed industrial development, our world is now engulfed by solid wastes. In that huge pile of wastes, plastic is one of the prime culprits for degrading our nature. The used plastics (which are not recycled) are either end up in oceans or landfills and continue to create environmental problems. On regular basis, thousands of tonnes of plastic waste is being created all around the world. In some cases, recycling plastic is costlier than using virgin plastic. Hence there is a necessity to create a situation in which adequate price for recycling plastic must come into play. Such type of situation can be created by using plastic as a primary construction material for small houses. The main objective of the study is to show how plastic as a construction material can reduce the stacks of junk plastic piles around the globe. Along with that how it can reduce the time and labor required for construction and also help to reduce the casualties during natural calamities like earthquake and to understand the ‘total plastic’ construction phenomenon with its advantages and disadvantages. Today there are some companies which are trying to use plastic as a primary construction material but none of them tried for the total plastic approach. The studies have shown that total plastic approach can eventually reduce the recycling and implementation costs of waste plastic, the time consumed and labor required for plastic recycling. Also to understand the actual practical situation of using plastic houses and required structure and method for shelters made out of such material were analyzed using FEA software. The problems like fireproofing and base development were also studied.
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Ta, Thi Yen, Thi Anh Tuyet Nguyen, and Hoang Thi Hong Van. "Analysis of production, consumption and environmental burden of plastic industry in Vietnam by input-output table." Ministry of Science and Technology, Vietnam 63, no. 2 (June 1, 2021): 89–96. http://dx.doi.org/10.31276/vjste.63(2).89-96.

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The plastic industry is an economic sector that plays an important role in promoting a circular economy in Vietnam. This study used the updated 2018 input-output (IO) table to identify and analyse the production and consumption of seven different plastics including: HDPE, PS, PE, PET, PVC, PP, and others. The study also integrated the IO model to unveil the environmental burden of these plastics through the plastic demand of 40 economic sectors and households. As a result, in 2018, the amount of direct solid waste from the plastic industry was 58,147 tons and the amount of indirect solid waste from the plastic industry to other economic sectors and the household sector were 214,258 tons and 6,262 tons, respectively. Agriculture and its services, food processing, fashion manufacturing, basic chemical production, electrical and electronic equipment production, and transport production embodied the highest indirect burdens due to their use of plastic products. This study contributes to MFA research and developing strategies for sustainable production and consumption of plastics and the management of plastic waste in Vietnam.
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Hachem, Ali, Giuliano Vox, and Fabiana Convertino. "Prospective Scenarios for Addressing the Agricultural Plastic Waste Issue: Results of a Territorial Analysis." Applied Sciences 13, no. 1 (January 2, 2023): 612. http://dx.doi.org/10.3390/app13010612.

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Agricultural activities have been positively affected by the use of plastic products, but this has resulted in the production of plastic waste and led to an increase in environmental pollution. To continue benefiting from the use of plastics but addressing at the same time the environmental issue, two strategies seem viable: the development of technologies for extending plastics lifespan and the gradual replacement of traditional non-biodegradable materials by biodegradable ones, at least for some products. This study focuses on a territorial analysis, performed using a Geographic Information System (GIS) in an agricultural area of the Apulia region (southern Italy). Areas of agricultural plastic waste production were identified through land-use maps. The application of plastic waste indices to different crop types and plastic products allowed quantifying and georeferencing actual plastic waste production. From this actual visualization, the other strategies were obtained by properly managing the indices. Two improved scenarios were obtained, the first consisted of extending the lifespan of some plastics, and the second entailed the introduction of some biodegradable alternatives. About 11,103 tons of agricultural plastic waste are yearly produced in the area and 7450 tons come from covering films. Lifespan extension would reduce the annual waste amount by about 25%, while more alternative products are needed to achieve significant results in the second scenario.
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Tsuchimoto, Ichiro, and Yuya Kajikawa. "Recycling of Plastic Waste: A Systematic Review Using Bibliometric Analysis." Sustainability 14, no. 24 (December 7, 2022): 16340. http://dx.doi.org/10.3390/su142416340.

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Research into plastic recycling is rapidly increasing as ocean and land pollution and ecosystem degradation from plastic waste is becoming a serious concern. In this study, we conducted a systematic review on emerging research topics, which were selected from 35,519 studies on plastic recycling by bibliometrics analysis. Our results show that research on the biodegradability of plastics, bioplastics, life cycle assessment, recycling of electrical and electronic equipment waste, and the use of recycled plastics in construction has increased rapidly in recent years, particularly since 2016. Especially, biodegradability is the most emerging topic with the average year of publication being 2018. Our key finding is that many research area is led by developed countries, while the use of recycled plastics in the construction sector is being actively explored in developing countries. Based on our results, we discuss two types of recycling systems: responsible recycling in the country where plastic waste is generated and promoting recycling through the international division of labor between developed and developing countries. We discuss the advantages and disadvantages of both approaches and propose necessary measures for sustainable and responsible production and consumption of plastics such as waste traceability system and technology transfer between developed and developing countries.
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Dissertations / Theses on the topic "Plastic analysis"

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Ruan, Haihui. "Collision between two perfectly plastic beam structures : modeling and verification /." View abstract or full-text, 2004. http://library.ust.hk/cgi/db/thesis.pl?MECH%202004%20RUAN.

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Thesis (Ph. D.)--Hong Kong University of Science and Technology, 2004.
Includes bibliographical references (leaves 235-241). Also available in electronic version. Access restricted to campus users.
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Cropper, Andrew Boyd. "The failure mode analysis of plastic gears." Thesis, University of Birmingham, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564396.

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This thesis presents the work conducted under the auspices of the Brite EuRam funded project, "PROGEAR" (contract number BRPR-CT98-0703), which sought to better understand the failure modes of injection moulded plastic gears, such that their performance and reliability could be improved. In so doing, the work built upon previous research conducted at the Power Transmission Laboratory, at the University of Birmingham. This research utilised a range of materials including plain polymers and polymer composites, as well a wide variety of gear geometries. In addition, the type of testing that was carried out varied from dry running to oil-lubricated tests, using sophisticated, state-of-the-art equipment Five research areas were covered, and these were as follows: 1. The consolidation of existing knowledge in all aspects of injection moulded plastic gears, resulting in an extensive literature review. 2. The investigation of the dry-running wear resistance of plastic gears. 3. The investigation of the effects of oil-lubrication on the performance of plastic gears, includingt heir wear resistancea nd fatigues trength. 4. The investigation of the efficiency of plastic gears under dry-running, greaselubricated and oil-lubricated conditions. 5. The investigation of Pitch Line Fracture, which is a failure mode unique to dryrunning gears of specific polymeric materials. This thesis represents a significant contribution to the understanding of plastic gears, and should enable significant improvements in the power density, durability and wear resistance in future designs of plastic gears. This research also maps out important avenues for future research.
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Opitz, Andrea. "Stereo plastic calibration, simulation and data analysis /." [S.l.] : [s.n.], 2007. http://www.zb.unibe.ch/download/eldiss/07opitz_a.pdf.

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Weaver, J. M. R. "The ultrasonic imaging of plastic deformation." Thesis, University of Oxford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375316.

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Vaziri, Reza. "Finite deflection dynamic analysis of rigid-plastic beams." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25142.

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An analytical procedure, which retains the influence of finite deflections, is developed herein for the dynamic behaviour of rectangular shaped rigid-plastic beams. In the general formulation of the problem deformation is assumed to proceed under two distinct mechanisms depending on the extent to which the value of the peak pressure exceeds the static collapse pressure of the beam. These mechanisms are described by kinernatically admissible velocity fields that satisfy the appropriate continuity conditions. The governing equations of motion are derived from a variational statement consisting of the principle of virtual work and D'Alembert's principle. The conventional parabolic yield surface (which describes the coupling action between axial forces and bending moments at yield) and its associated flow rule are adopted to describe the plastic behaviour of the beam material. The kinematic small but finite deflection analysis, in which the membrane forces and bending moments interact, generally leads to basic equations which are of nonlinear character. These resulting equations are solved analytically and closed form expressions are developed for the prediction of maximum permanent deformation of the beam. A dynamic membrane analysis is carried out in those cases when the input energy is sufficiently high that the beam undergoes moderately large deformation (i.e. deflections of the order of beam thickness). Finally the dependence of the permanent deflection on the applied pressure and impulse is obtained for a family of rectangular pulses. This relationship is represented by an isoresponse curve in a form convenient for direct engineering use.
Applied Science, Faculty of
Civil Engineering, Department of
Graduate
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Mohamed, Salah-Eldin A. "Elastic-plastic instability of plane frames." Diss., Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/12092.

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鄭榕明 and Yung-ming Cheng. "Large strain elasto-plastic soil-structure interaction analysis." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1992. http://hub.hku.hk/bib/B31232528.

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HECKE, MILDRED BALLIN. "POTENTIAL WIDESPREAD AND OPTIMIZATION IN ELASTIC-PLASTIC ANALYSIS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1991. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=33252@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR
Este trabalho focaliza a análise elasto-plástica de componentes mecânicos e estruturais. Especial atenção é dada a formulação da equação constitutiva. A relação constitutiva em taxas é equacionada na forma de potenciais generalizados onde utiliza-se o conceito de subgradientes. Para tal, são introduzidos conceitos básicos da termodinâmica sendo usadas variáveis internas para descrever os mecanismos dissipativos. São apresentados pseudo-potenciais em incrementos finitos de tensões e deformações que incorporam a admissibilidade plástica e são capazes de descrever o descarregamento elástico local desde que não haja plastificação seguida de descarregamento no passo. Esta forma é utilizada na obtenção-de Princípios de Mínimo para a análise elasto-plástica. A discretização espacial é feita utilizando o Método dos Elementos Finitos. São considerados algoritmos para a solução de tal problema. São incluídas aplicações numéricas a problemas planos e a flexão de placas.
The elastic-plastic analysis of structural components is considered. The formulation of the constitutive equations is specially focused. The constitutive relation for rates is derived from pseudo-potentials by using the sub-gradient concept. Internal variables are introduced to describe dissipation mechanisms and thermodynamical concepts are used in order, to obtain the corresponding potential relationships. Generalized potentials are also presented for the approximate constitutive relation in terms of finite increments of strain and stress. This formulation incorporate plastic admissibility constraínts and it is also able to describe local elastic unloading except the case when it follows plastic yielding in the true incremental process. This form of the constitutive equation is used next to obtain minimum principles for the elastic-plastic analysis. Spatial discretization is performed by means of the Finíte Element Method. Some algorithms are discussed for the solution of the variational formulations considered. Numerical applications are presented for plane problems and plate bending.
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Nanda, Atul. "Finite element analysis of elastic-plastic anisotropic soils." Diss., Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/53650.

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Elastic-plastic stress·strain models are developed for initially anisotropic soils. The models are developed for both total stress (undrained) analyses and for effective stress (drained) analyses. For anlsotroplc undralned coheslve soils under monotonic loading an elastic-plastic isotropic-hardening model is developed. For complex loading conditions the model is extended using multisurface plasticity. For effective stress analyses of soils, the Cam-Clay model concepts are generalized for initially anisotropic soils. Both isotropic and anisotropic hardening are used in the model. The behavior of the models is investigated under several loading conditions and some comparisons are made with experimental triaxial data. A nonlinear three-dimensional finite element program is developed in which the models are implemented. An updated Lagrangian large displacement analysis is also included. The constitutive models developed are used to investigate the influence of initial anisotropy on the bearing capacity, deformation and pore pressure development under footings in both plane-strain and three dimensional conditions. It is found that for the range of anisotropy encountered in the field, the deformation and bearing capacity are significantly different.
Ph. D.
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Cheng, Yung-ming. "Large strain elasto-plastic soil-structure interaction analysis /." Hong Kong : University of Hong Kong, 1992. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13212758.

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Books on the topic "Plastic analysis"

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Manual of plastics analysis. New York: Plenum Press, 1998.

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Lobo, Hubert, and Jose V. Bonilla. Handbook of plastics analysis. New York: Marcel Dekker, 2003.

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Heyman, Jacques. Plastic design of frames. New York, NY: Cambridge University Press, 2008.

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Limit analysis of solids and structures. Boca Raton: CRC Press, 1996.

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1971-, Hoang Linh, ed. Limit analysis and concrete plasticity. 3rd ed. Boca Raton: Taylor & Francis, 2010.

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Limit analysis and concrete plasticity. 2nd ed. Boca Raton: CRC Press, 1999.

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Lebyodkin, M. A. Multifractal analysis of unstable plastic flow. [Hauppauge, N.Y.]: Nova Science Publishers, 2009.

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Neal, B. G. The plastic methods of structural analysis. 3rd ed. London: Chapman and Hall, 1985.

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Lebyodkin, M. A. Multifractal analysis of unstable plastic flow. [Hauppauge, N.Y.]: Nova Science Publishers, 2009.

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C, Zhang L., ed. Plastic bending: Theory and applications. Singapore: World Scientific, 1996.

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Book chapters on the topic "Plastic analysis"

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Hulse, Ray, and Jack Cain. "Plastic Analysis." In Structural Mechanics, 539–74. London: Macmillan Education UK, 2000. http://dx.doi.org/10.1007/978-1-349-87760-7_19.

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McKenzie, William M. C., and Binsheng Zhang. "Plastic Analysis." In Examples in Structural Analysis, 623–755. 3rd ed. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003195245-8.

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Hung, Nguyen Dang, and P. Morelle. "Plastic Shakedown Analysis." In Mathematical Programming Methods in Structural Plasticity, 181–205. Vienna: Springer Vienna, 1990. http://dx.doi.org/10.1007/978-3-7091-2618-9_11.

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Smith, D. Lloyd. "Plastic Limit Analysis." In Mathematical Programming Methods in Structural Plasticity, 61–82. Vienna: Springer Vienna, 1990. http://dx.doi.org/10.1007/978-3-7091-2618-9_5.

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Aschheim, Mark, Enrique Hernández-Montes, and Dimitrios Vamvatsikos. "Plastic mechanism analysis." In Design of Reinforced Concrete Buildings for Seismic Performance, 203–17. Boca Raton : Taylor & Francis, a CRC title, part of the Taylor & Francis imprint, a member of the Taylor & Francis Group, the academic division of T& F Informa, plc, [2019] |: CRC Press, 2019. http://dx.doi.org/10.1201/b19964-11.

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Tan, Qing-Ming. "Hydro-Elasto-Plastic Modeling." In Dimensional Analysis, 103–8. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-19234-0_7.

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Chen, W. F., and H. Zhang. "Perfectly Plastic Stress Analysis." In Structural Plasticity, 159–221. New York, NY: Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-2984-1_5.

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Chen, W. F., and H. Zhang. "Hardening Plastic Stress Analysis." In Structural Plasticity, 223–48. New York, NY: Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-2984-1_6.

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Chakrabarty, J. "Plastic Analysis of Shells." In Mechanical Engineering Series, 297–386. New York, NY: Springer New York, 2000. http://dx.doi.org/10.1007/978-1-4757-3268-9_5.

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Chakrabarty, J. "Plastic Analysis of Shells." In Mechanical Engineering Series, 313–404. Boston, MA: Springer US, 2009. http://dx.doi.org/10.1007/978-0-387-77674-3_5.

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Conference papers on the topic "Plastic analysis"

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Maupin, Julie K. "Plastic Pipe Failure Analysis." In 2008 7th International Pipeline Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ipc2008-64355.

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The Gas Technology Institute is currently addressing the risks and threats to plastic pipes through research sponsored by the United States Department of Transportation, Pipeline and Hazardous Materials Safety Administration. With the upcoming proposed rulemaking, the United States distribution companies will be required to implement a distribution integrity management plan. In developing an integrity management plan, it is key to understand system risks and threats and with 39.6 million plastic services and nearly 620,000 miles of plastic gas main, the threats to plastic pipe need to be addressed. The research discussed in this paper identifies the types of failures that affect plastic piping, excluding third party damage. The paper also describes the most common cause of leaks, slow crack growth, as well as root cause analysis of a pipe removed from service due to leaking. The cause of leaks for five other pipe segments is also discussed. The final topic of this paper is rapid crack propagation and small-scale steady state testing.
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Carmichael, Rory, and Donald Mackenzie. "Elastic-Plastic Design by Analysis for Gross Plastic Collapse." In ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-25428.

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An investigation of the ASME VIII Div 2 elastic-plastic stress analysis method for protection against plastic collapse is presented. Four example configurations are considered and calculated design pressures are compared with values determined by alternative procedures based on limit analysis and bilinear hardening/the twice elastic slope criterion. It is found that the ASME VIII Div 2 procedure does not generally lead to evaluation of higher design pressures than the alternative approaches. In an example configuration demonstrating significant geometric strengthening, the allowable load is limited by the local strain criterion and in practice user-defined service criteria would be applied to limit permanent deformation under design conditions. In two example configurations that failed through membrane action, the evaluated design pressure was found to be less than that based on limit analysis. These initial results indicate that the more complex elastic-plastic stress analysis used in the ASME VIII Div 2 method does not necessarily lead to evaluation of higher design loads than alternative design routes. Further studies are required to determine the general circumstances in which the more complex analysis method is advantageous in design.
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Jabbour, Toni, Ghazi Asmar, and Chadi Ghaith. "Analysis of Plastic Helical Gear." In ASME 8th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2006. http://dx.doi.org/10.1115/esda2006-95283.

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The objective of this work is to present a mathematical model which studies helical gears made of a material with a small modulus of elasticity, when one or more pairs of teeth mesh prematurely during engagement. This phenomenon may lead to the modification of the load distribution on the teeth which are initially in contact and to a kind of interference causing additional tooth wear of the gear. In this case, the calculation of the contact ratio must account for the real number of pairs of teeth in contact. This is especially important when large deformations occur as is confirmed in the results presented to confirm the validity of the proposed method.
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Dubensky, Robert G., Donald E. Jay, and Ralph K. Salansky. "Plastic Bumper Beam Manufacturing Analysis." In 1989 SAE International Off-Highway and Powerplant Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1989. http://dx.doi.org/10.4271/891943.

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Moretti, P., B. Cerruti, M. C. Miguel, Theodore E. Simos, George Psihoyios, and Ch Tsitouras. "Plastic Deformation in Microscopic Colloidal Crystals." In NUMERICAL ANALYSIS AND APPLIED MATHEMATICS: International Conference on Numerical Analysis and Applied Mathematics 2009: Volume 1 and Volume 2. AIP, 2009. http://dx.doi.org/10.1063/1.3241261.

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Dalimier, Eugénie, Lauren Ogrich, Diego Morales, Carrie Ann Cusack, Mark Abdelmalek, Claude Boccara, and John Durkin. "Skin cancer margin analysis within minutes with full-field OCT (Conference Presentation)." In Photonics in Dermatology and Plastic Surgery, edited by Bernard Choi, Haishan Zeng, and Nikiforos Kollias. SPIE, 2017. http://dx.doi.org/10.1117/12.2250292.

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He, Linhuan, Yi Zhao, Jining Tao, and Xiaoming Hu. "Refinement analysis with clustering segmentation for port wine stains." In Photonics in Dermatology and Plastic Surgery 2019, edited by Bernard Choi and Haishan Zeng. SPIE, 2019. http://dx.doi.org/10.1117/12.2507010.

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Celebi, M. Emre. "Dermoscopy image analysis in the age of deep learning." In Photonics in Dermatology and Plastic Surgery 2021, edited by Bernard Choi and Haishan Zeng. SPIE, 2021. http://dx.doi.org/10.1117/12.2588612.

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Madakacherry, John M., and Jonathan E. Gunger. "Structural Development By Thermoelastic Stress Analysis Of Plastic Models." In Stress Analysis by Thermoelastic Techniques, edited by B. C. Gasper. SPIE, 1987. http://dx.doi.org/10.1117/12.937888.

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Hachemi, Abdelkader, Min Chen, Dieter Weichert, Theodore E. Simos, George Psihoyios, and Ch Tsitouras. "Plastic Design of Composites by Direct Methods." In NUMERICAL ANALYSIS AND APPLIED MATHEMATICS: International Conference on Numerical Analysis and Applied Mathematics 2009: Volume 1 and Volume 2. AIP, 2009. http://dx.doi.org/10.1063/1.3241459.

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Reports on the topic "Plastic analysis"

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Branch, Ruth, Zhaoqing Yang, Benjamin Maurer, Lee Miller, and Lysel Garavelli. Riverine Plastic Pollution: Sampling and Analysis Methods. Office of Scientific and Technical Information (OSTI), March 2022. http://dx.doi.org/10.2172/1863833.

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Majumdar, S. Elastic-plastic analysis of the SS-3 tensile specimen. Office of Scientific and Technical Information (OSTI), September 1998. http://dx.doi.org/10.2172/330635.

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Hodge, S. C., and J. M. Minicucci. Cyclic material properties tests supporting elastic-plastic analysis development. Office of Scientific and Technical Information (OSTI), November 1996. http://dx.doi.org/10.2172/663570.

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Wands, R. Plastic Finite Element Analysis of D0 Toroid Iron Welds. Office of Scientific and Technical Information (OSTI), November 1987. http://dx.doi.org/10.2172/1030691.

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Nikam, Jaee, Daniel Ddiba, and George Njoroge. Analysis of the Plastic Waste Value Chain in India: A Scoping Study. Stockholm Environment Institute, October 2022. http://dx.doi.org/10.51414/sei2022.037.

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Abstract:
Plastic waste accumulation and inadequate disposal are global issues that are especially problematic for countries with large and growing populations and long coastlines, such as India. This report provides an overview of the complex plastic value chain in India, the key stakeholders involved, and their roles and interactions. Also provided are an overview of some innovative solutions along the plastic value chain and a map of relevant policies and regulations, both nationally and focusing on Tamil Nadu State, as well as the barriers and enablers for their implementation.
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Himeki, Hiroaki, Hiroshi Kumagai, and Katsumi Morohoshi. Fatigue Behavior Analysis and Durability Evaluation of Plastic Fuel Tank. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0095.

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Sirkus, Jim. A Displacement Pattern Matching Application in Elastic-Plastic Hybrid Stress Analysis. Fort Belvoir, VA: Defense Technical Information Center, August 1988. http://dx.doi.org/10.21236/ada199028.

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Chen, Peter C. Elastic-Plastic Analysis of a Steel Pressure Vessel Wrapped with Multilayered Composites. Fort Belvoir, VA: Defense Technical Information Center, October 1991. http://dx.doi.org/10.21236/ada243420.

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Lewis, M. Accident Response Group vans: Elastic-plastic analysis of floor plate under acceleration loads. Office of Scientific and Technical Information (OSTI), April 1990. http://dx.doi.org/10.2172/7154187.

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Ratcliffe, Colin P. Experimental Modal Analysis of a Sandwich Construction, Glass Reinforced Plastic Composite Deck Panel. Fort Belvoir, VA: Defense Technical Information Center, July 1996. http://dx.doi.org/10.21236/ada359147.

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