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In view of the importance of finite element (FE) techniques in the design, analysis and validation of many engineering products, the National Agency for Finite Element Methods and Standards (NAFEMS) was established in 1983 to take an overview of the FE scene in the United Kingdom. NAFEMS is currently funded by the Department of Trade and Industry, but it is expected that it will eventually be self‐funding. Its headquarters is located at the National Engineering Laboratory, East Kilbride, Glasgow.

Demonstrates the simple but effective application of a standard finite element program (PAFEC), and the associated geometric modelling code (PIGS), to the improvement of the design of an engineering component. The technique adopted involves augmenting material around zones of high stress and removing material in zones of low stress. This evolutionary procedure is related to the behaviour of bones in animals. The essentially two‐step procedure involves; finite element analysis of the preliminary component design using PAFEC; and, definition of a new geometry using PIGS, with selected stress contours giving an indication of the new shape. The technique, which proceeds iteratively, was first tested successfully on some classical academic optimisation problems. Its subsequent application to the industrial problem of a twin chamber pressurised extruded aluminium section, the primary component of an air drying system, resulted in material savings of up to 50 per cent and an associated drop in the maximum von Mises stress of 45 per cent. While this method does not determine the optimal structural form, it does generate substantial improvements in terms of material usage and reduced maximum stresses. It has the advantage that it can be used by any competent engineer with a working knowledge of the strength of materials, finite elements and structural form.

Gives a bibliographical review of the error estimates and adaptive finite element methods from the theoretical as well as the application point of view. The bibliography at the end contains 2,177 references to papers, conference proceedings and theses/dissertations dealing with the subjects that were published in 1990‐2000.

The main purpose of this paper is to explore innovative ideas for a sustainable fashion supply chain in the future by focusing on investigating the impacts of COVID-19 on the fashion supply chain and review sustainable supply chain.

A systematic literature review (SLR) and a case study have been undertaken to explore the innovative ideas for a sustainable fashion supply chain developed after the COVID-19 outbreak. Having conducted a comprehensive literature search in electronic databases Google Scholar, Emerald Insight, ScienceDirect and ProQuest, 69 articles were selected and reviewed. A case of the Kering Group was used to explain the results.

This paper highlighted the basic concepts of a sustainable supply chain, reviewed the 10 principles of the United Nation Global Compact and their connections to promoting supply chain sustainability, as well as the three components of a sustainable supply chain: green supply chain, transparent supply chain and circular supply chain. Based on the results of a SLR and a real case of Kering Group, the paper identified 12 innovative ideas for a sustainable fashion supply chain: (1) biodegradable and natural materials, (2) textile recycling, (3) nearshoring, (4) artificial intelligence (AI), (5) robot, (6) 3D printing, (7) Internet of Things, (8) blockchain, (9) reverse resources; (10) bio-packaging, (11) augmented reality (AR) and virtual reality (VR) and (12) digital runway.

The epidemiological situations of the COVID-19 pandemic and the corresponding innovative ideas for a sustainable supply chain may change over time. While this paper provides a comprehensive literature review and case study, further research is needed to evaluate the effectiveness of current efforts in the development of a sustainable fashion supply chain through collecting both quantitative and qualitative data.

Embracing the issues from the COVID-19 pandemic, the results of this study are further explained by the case of Kering Group in the fashion industry. The managerial implications of the results and discussion are the need to adopt innovative ideas for a more sustainable fashion supply chain in the future. The success of sustainable supply chains work by leveraging the best available technologies such as robot, 3D printing, AR and VR, setting consistent standards for sustainability such as Environmental Profit and Loss and Kering & Textile Exchange and communicating with all parties throughout the supply chain, such as blockchain and AI. Investment in developing technology and innovative ideas will be the key of future to supply chain sustainability. Nonetheless, the specific approach used by each organization must be tailored to its characteristics, goals and circumstances.

Bringing upon unprecedented challenges, the pandemic has shown both companies and consumers just how fragile our planet is. Thus, to protect our planet in the long run, we need to not only make businesses more sustainable but also live more eco-friendly lifestyles.

To the best of the authors’ knowledge, this is the first work that conducts a systemic review of the relevant academic journal articles addressed to the managerial audience on sustainable (fashion) supply chain. In addition, this paper also adds some consideration to this gap by exploring the innovative ideas for a sustainable fashion supply chain in the future and using a case to illustrate how these ideas can be put in a real-life context. This paper discusses the impact of COVID-19 on different stages of the supply chain and gives innovative ideas that can be used in response to the changing epidemiological situations of the pandemic.

Gives a bibliographical review of the finite element meshing and remeshing from the theoretical as well as practical points of view. Topics such as adaptive techniques for meshing and remeshing, parallel processing in the finite element modelling, etc. are also included. The bibliography at the end of this paper contains 1,727 references to papers, conference proceedings and theses/dissertations dealing with presented subjects that were published between 1990 and 2001.

The purpose of this paper is to propose a new scheme for obtaining acceptable solutions for problems of continuum topology optimization of structures, regarding the distribution and limitation of discretization errors by considering h-adaptivity.

The new scheme encompasses, simultaneously, the solution of the optimization problem considering a solid isotropic microstructure with penalization (SIMP) and the application of the h-adaptive finite element method. An analysis of discretization errors is carried out using an a posteriori error estimator based on both the recovery and the abrupt variation of material properties. The estimate of new element sizes is computed by a new h-adaptive technique named “Isotropic Error Density Recovery”, which is based on the construction of the strain energy error density function together with the analytical solution of an optimization problem at the element level.

Two-dimensional numerical examples, regarding minimization of the structure compliance and constraint over the material volume, demonstrate the capacity of the methodology in controlling and equidistributing discretization errors, as well as obtaining a great definition of the void–material interface, thanks to the h-adaptivity, when compared with results obtained by other methods based on microstructure.

This paper presents a new technique to design a mesh made with isotropic triangular finite elements. Furthermore, this technique is applied to continuum topology optimization problems using a new iterative scheme to obtain solutions with controlled discretization errors, measured in terms of the energy norm, and a great resolution of the material boundary. Regarding the computational cost in terms of degrees of freedom, the present scheme provides approximations with considerable less error if compared to the optimization process on fixed meshes.

The purpose of this paper is to analyse the processes involved in the creation and eventual demise of a market for biodiversity offsets in the UK. The reasons for the failure of this market to take hold as a governance mechanism are considered, and its subsequent effects examined.

The research examines a single case study of the creation of a pilot market for biodiversity offsets in the UK. Data include policy and industry papers, complemented with interviews with biodiversity offset practitioners, regulators and non-government organisations.

The case study demonstrates that a market for biodiversity offsets was piloted with the intent to contribute to the reform of the UK planning regime. However, disagreements about this political project, uncertainties in the knowledge base, and continued entanglements with existing biodiversity meant it was impossible to stabilise the assemblages necessary to support the market, leading to its eventual demise. However, the principles and devices of offsetting have proved more resilient, and have started to combine with the existing arrangements for the governance of nature.

The paper presents a situation where a political project to reform governance arrangements through the creation of a market was not successful, making it of interest to researchers and policymakers alike.

While biodiversity offsetting has been widely discussed from scientific, legal and political perspectives, this paper addresses it as a market, explicitly designed to become a part of a governance regime. It also advances the understanding of the mechanisms by which similar processes of marketisation can fail, and suggests avenues for future research in those contexts.

Life cycle costing (LCC) is a means of comparing design options on the basis of their whole life cost with the objective of providing value for money for the life of the asset. The process involves estimating all the cost elements of the particular subject and translating them into a cost at a particular point in time, the present, enabling comparison. Despite being in theory, a useful tool LCC appears to experience varied levels of usage. Varied opinions have been expressed about the level to which LCC is used but there is no doubt that private finance initiatives and public‐private partnerships procurement routes have seen an increase in the use of the technique. The paper aims to appraise levels of application within the construction industry, in particular the paper will evaluate the existence of motivators and barriers which affect the decision to undertake LCC analysis in order to identify what actions can be taken to increase usage levels.

Following a literature review, empirical research was undertaken to collect data from construction professionals regarding their views, opinions and experiences of LCC. In total, 100 questionnaires were sent to construction and professionals in the North West of England.

The paper suggests that whilst just over 50 per cent of the sample implemented LCC the data also identified the lack of understanding of the technique and the absence of a standardised methodology as key limiting factors to wider implementation.

Limitations in both the data collection strategy and sample size raise the issue that the results obtained cannot necessarily be deemed to be representative of the construction industry as a whole but merely of the sample and further research is recommended.

The paper concludes that continued professional development for construction professionals and clients alike together with the development of standardised procedures may enhance usage levels.

The main purpose of this paper is the incorporation of life-cycle costs (LCC) and whole-life costing (WLC) method and the taxation environment into the investment appraisal procedure for commercial real property projects.

The paper initially presents the methodologies of LCC and WLC together with the NPV measure for the evaluation of real estate investments. These methods are incorporated into a decision-making model using mathematical approaches. The model is applied to a typical commercial property project (office building) in order to explore the significance of impacts from changes in structured variables and the taxation environment by introducing direct, indirect and property taxes in the evaluation of commercial real estate projects.

Testing of the methodology on the Greek economic environment revealed that time, cost, the tax regime, the financial variables of funding and the monetary and fiscal environment in a commercial real property project are the main variables of net present value (NPV) of the investment.

From the calibration of any impact from affected variables, decision-making aiding tools can be extracted for controlling the project throughout its entire life-cycle.

An integrated WLC mathematical model for the investment appraisal of commercial property projects is introduced. The herein proposed methodology contributes to taxation policy and real estate theory in general and assists industry professionals in effective commercial property management and decision-making.

Shells are widely used structural systems in engineering practice. These structures have been used in the civil, automobile and aerospace industries. Many shells are designed using the finite element analysis through the conventional and costly trial and error scheme. As a more efficient alternative, optimization procedures can be used to design economic and safe structures.

This paper presents developments, integration and applications of reliable and efficient computational tools for the structural optimization of variable thickness plates and free‐form shells. Topology, sizing and shape optimization procedures are considered here. They are applied first as isolated subjects. Then these tools are combined to form a robust and reliable fully integrated design optimization tool to obtain optimum designs. The unique feature is the application of a flexible integrally stiffened plate and shell formulation to the design of stiffened plates and shells.

This work showed the use of different optimization strategies to obtain an optimal design for plates and shells. Both topology optimization (TO) and structural shape optimization procedures were considered. These two optimization applications, as separate procedures produce new designs with a great improvement when compared to the initial designs. However, the combination of stiffening TO and sizing optimization using integrally stiffened shells appears as a more attractive tool to be used. This was illustrated with several examples.

This work represents a novel approach to the design of optimally stiffened shells and overcomes the drawbacks of both topology optimization and structural shape optimization procedures when applied individually. Furthermore, the unique use of integrally stiffened shell elements for optimization, unlike conventional shell‐stiffening optimization techniques, provided a general and extremely flexible tool.