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Modeling of the methods for providing improvements in business processes by value adding is researched with an integrated approach. The main purpose in this approach is improving the processes by determining and analyzing the weak points and reducing the weakness degrees.

The designed model determines weak points that need to be improved, analyzes them to find privileged processes in improvement by considering improvement costs and obtains the improvement degrees for defining the improvement strategy by four‐phase business process improvement framework: start‐up, self analysis, defining improvement strategy for making changes, feedback, and continuous improvement.

The key factor in keeping up with changes in market conditions is systematic application of improvement efforts and providing planned and controlled value addition with these improvements. Decision problems in process improvement can be structured to provide input data suitable for multi‐criteria decision making techniques and results meet the solution expectations.

The reason for using analytical hierarchy process, goal programming, and linear programming model is to select the process and determine its improvement degree. Solving the decision problems by these techniques is a time consuming process, so forming suitable programs with decision support systems will be useful.

The theoretical structure of the modeled techniques in this study was examined with an industrial application. The application process and the results suitability were determined.

The proposed model shows improvement amounts according to the amount of defined importance degrees. It presents an advantage to decision makers by giving concrete improvement values from model results determining their improvement strategies.

In this paper, time domain dynamic analysis of dam‐reservoir interaction is presented by coupling the dual reciprocity boundary element method in the infinite fluid domain and the finite element method in the solid domain. An efficient coupling procedure is formulated by using sub‐structuring method. Sommerfeld's boundary condition for far end of the infinite domain is implemented. To verify the proposed scheme, numerical examples are carried out to compare with the available exact solutions and results of the finite‐finite element coupling.

The present study aims to reveal knowledge, report on perception level and look at the evaluation of exchange rate risk management techniques of enterprises registered to Afyonkarahisar Chamber of Commerce and Industry. In order to achieve this, the authors conducted a study that included a field-survey and consisted of 223 enterprises that have foreign trade transactions in Afyonkarahisar city. The data that were used in the analysis had been collected via a survey and they were statistically evaluated by SPSS program.

Within the scope of the study, the authors investigated the determination of corporational identity of the sampled manufacturing enterprises, organisational structure of finance departments, determination of ownership structures of these enterprises, determination of foreign exchange risk perceptions, classification of exchange rate risks according to industry type and the determination of risk management instruments such as internal and external hedging strategies and information and usage levels of derivative instruments.

The most important result obtained in the study is that the majority of the companies, which operate in a competitive environment, are intensely exposed to foreign exchange risk but try to overcome the foreign exchange risk using traditional internal firm-level hedging methods instead of well-reputed external hedging methods or derivative instruments. Firms declared to be out of knowledge – by any means – for derivative instruments as the main reason for not utilising a well-reputed external foreign exchange risk management techniques.