Inverse Determination of Johnson–Cook Parameters of Additively Produced Anisotropic Maraging Steel

In powder bed-based additive manufacturing (AM), complex geometries can be produced in a layer-wise approach. Results of material science experiments regarding material property identification, e.g., tensile strength, show interdependencies between the test load direction and the layer orientation. This goes hand-in-hand with the measured cutting force, changing with the relative angle between cutting direction and layer orientation in orthogonal cutting tests. However, due to the specific process characteristics, the layer orientation results in anisotropic material properties. Therefore, during machining, the material behaves depending on the buildup direction, which influences the cutting process. To predict this behavior, a simplified inverse approach is developed to determine the buildup direction-dependent parameters of a modified Johnson–Cook model for cutting simulation. To qualify these cutting models, mainly the cutting force and additionally the chip formation examined during orthogonal cuts are used. In the present paper, the influence of the laser-powder-bed-fusion (LPBF) process parameters on subtractive post-processing are shown. A good agreement between verification experiments and simulations is achieved.

Land Records Modernisation: Uttar Pradesh

During 2017–2020, a team of researchers at the Indian Institute for Human Settlements conducted a series of primary and secondary studies on land record modernisation initiatives in five states and union territories of India. Based on extensive on-ground research, this work is part of a five-volume set that presents findings from Delhi, Maharashtra, Chandigarh, Karnataka and Uttar Pradesh, with a focus on urban land and property records and the associated complexities. This volume on Uttar Pradesh studies in detail the approach and practice of assigning a Unique Property Identification Code (UPIC) for every rural land parcel in the state. It also explores the digital integration of various land related applications, datasets and formats across multiple institutions for efficient management of land information. Adapting this to the urban context, the system of such a unique property code may be one of the most significant solutions for the implementation of interlinked datasets across multiple institutions and data formats

Model-based bone material property identification

Correct torqueing of bone screws is important for orthopaedic surgery. Surgeons mainly tighten screws ad hoc, risking inappropriate torqueing. An adaptive torque-limiting screwdriver may be able to measure the torque-rotation response and use parameter identification of key material properties to recommend optimal torques. This paper analyses the identifiability and sensitivity of a model of the bone screwing process. The accuracy with which values of the Young modulus (E) of the bone were identified depended on the value of E, with larger values being less accurately identified. The error in identified {\sigma _{uts}} (Tensile strength) values was less than 0.5 % over all the cases tested, with no discernible dependence on the co-identified values of E. Experimental validation is still required for the model and identification process, but this approach is feasible and promising from a theoretical perspective.

THEORETICAL AND METHODICAL PROBLEMS OF THE DEVELOPMENT OF THE VALUATION OF INTELLECTUAL PROPERTY RIGHTS

The article summarizes theoretical and methodical problems related to the need to create a logical valuation theory and methodology of intellectual property, identification and valuation of intellectual property rights and its relation to accounting; the problem of methods of valuation of intellectual property rights within their subject characteris considered, as well as identification of the majority of intellectual resources that take part in production and contribute to the improvement of product quality, technological update, innovative orientation of economic processes; the need to strengthen the state policy of carrying out the valuation of intellectual property rights in relation to intangible assets within the objects of intellectual propertyrights (OIPRs) has been considered. The author analyzes the relationship to the value appraisal of OIPRs, which is most often done by using a narrow range of methods (approaches) within the generally recognized: income, cost and market (comparative) approaches, that affects the limitation of the selected methods of valuation, leads to a template use of valuation methodic without a variety of OIPRs that have specific features of their use. Also it is disclosed the meaningful meaning of the development of a single terminology and value classification, whichcan be carried out on the basis of synthesis of foreign experience in the field of valuation and value management, as well as the analysis of valuation standards.The problem became due to the OIPRs conducting of value appraisal of the advanced intellectual capital, that is complicated by the fact that by economic essence it does not belong to the traditional assets of the enterprise and has its own peculiarities. It is urgent to rethink existing standards on valuation and supplement them with new ones in the direction of minimizing fundamental contradictions between the traditional accounting methodology and the valuation of OIPRs, taking into account the peculiarities of the development of the information and intellectual economy. It is methodically detailed by the economic content the techniques used to determine the value of OIPRs, which are divided into three groups: approaches, methods and methodologies, from the point of view of economic content, conditions of application and valuation procedure, as well as requirements for the appraisal of the value of OIPRs in the privatization of state enterprises and organizations. The author considers the problems of organization of training of professional ppraisers in Ukraine taking into account the requirements of State Property Fund of Ukraine and their legal support.

Street and Property Identification and the Challenge of Urban Management in Mekelle City, Ethiopia

The study employs in-situ primary data supplemented with secondary information from conventional archival sources to examine the toponymic experience of Ethiopia, one of only two African countries without a colonial history. The focus is on Mekelle, the country’s third largest city. The city’s spatial structure is nondescript. The streets are identified with a string of numbers, which are placed at irregular intervals. Most landmarks are unnamed whereas buildings are unnumbered. This paper shows that the absence of a precise and unambiguous street, place and property identification system in the city stifles its performance in the urban management, economic, and social milieus.