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The purpose of this paper is to present a structural design and optimization module for aircraft structures that can be used stand-alone or in a high-fidelity multidisciplinary design optimization (MDO) process. The module is capable of dealing with different design concepts and novel materials properly. The functionality of the module is also demonstrated.

For fast sizing and optimization, linear static finite element (FE) models are used to obtain inner loads of the structural components. The inner loads and the geometry are passed to a software, where a comprehensive set of analytical failure criteria is applied for the design of the structure. In addition to conventional design processes, the objects of stiffened panels like skin and stringer are not optimized separately and discrete layups can be considered for composites. The module is connected to a design environment, where an automated steering of the overall process and the generation of the FE models is implemented.

The exemplary application on a transport aircraft wing shows the functionality of the developed module.

The weight benefit of not optimizing skin and stringer separately was shown. Furthermore, with the applied approach, a fast investigation of different aircraft configurations is possible without constraining too many design variables as it often occurs in other optimization processes. The flexibility of the module allows numerous investigations on influence of design concepts and failure criteria on the mass and layout of aircraft wings.

In Britain, labor−management partnership has been the fulcrum of the Labor Government's employment relations programme since its election in 1997. The Involvement and Participation Association (IPA, 1997; website: http://www.partnership-at-work.com) − the influential employers’ organization − has been at the forefront of promoting labor−management partnership to improve productivity in UK firms through greater employee involvement and participation (see http://www.partnership-at-work.com). The Trades Union Congress (TUC; partnership institute website: http://www.partnership-institute.org.uk) and several of its constituent unions have also endorsed partnership with employers as a route to promote employee ‘voice’ at work, secure better bargaining outcomes and improve union membership levels and density (Undy, 2001). Union density in the UK private sector has declined from 19.9 per cent in autumn 1997 to 17.2 per cent in autumn 2005, while in the public sector it has declined from 60.9 per cent to 58.6 per cent over the same period of time (Grainger, 2006). Advocates of partnership argue that such arrangements deliver mutual gains to the parties involved, viz. higher productivity and profits for employers, better wages and higher employment security to workers and greater influence over management decisions for unions, which in turn help them to attract and recruit new members (e.g. Haynes & Allen, 2001; Deery & Iverson, 2005).

In a recent paper that was published in Journal of Public Budgeting, Accounting and Financial Management, Modell (2021) takes stock of the institutional research on performance measurement and management (PMM) in the public sector and proposes a number of avenues for further inquiry in the area. The aim of this comment is to contextualise some of his observations against the backdrop of current developments in (new) institutional theory.

The recent scholarly debate about whether institutional theory needs any redirecting is the point of departure for this comment. Three of the themes from this debate are revisited and implications for research on PMM in the public sector are outlined.

First, against the backdrop of an emerging plethora of organisational forms in the public sector, this comment focusses on the locus or “where” PMM can be analysed and how organisational forms affect PMM. The second point addresses the “what” of analysis, where it is argued that PMM instruments are embedded in an ecology of concepts and a relational perspective on diffusion is introduced. A third observation is related to methodological issues and discusses the “how”: how best to study manifestations of PMM systems.

The comment illustrates a number of implications of the current developments in (new) institutional theory for research on PMM. In so doing, the wider ambition is to stimulate an exchange between public-sector accounting and organisation studies.

I'VE said it before, and I'll say it again: Eastbourne is an excellent place for a conference, and I set out for it after five years' absence with the hope that its handsome and genial presence would produce something better than the mixture of ordinary, obvious and sometimes inaudible papers that have been a constituent of more than one intervening conference. That towns can affect such occasions is no doubt a farfetched conceit, but they certainly affect me; as soon as I arrived the environmental magic worked, and old friends and new faces were seen in the golden light of perfect autumn weather.