Four different options of modern engineering calculation for solving one standard problem were studied. Four different modern options for solving one standard problem based on the new author's method of three K123 commands. The basis of the author's method is the geometric content and formulation of the problem of determining the hydrostatic pressure on a flat surface using the example of a standard typical problem of hydrostatics. The algebraic component of the implementation of the problem solution is used as an auxiliary calculation technology.A full factorial experiment was conducted. According to the results of the work, the set goal was achieved - the total number of factors was reduced. Based on the methods of statistical analysis, the following conclusions were obtained: a statistically significant relationship was established between the use of concrete pipes at a low speed and the largest number of pipeline accidents. The material of the pipeline and the speed in it turned out to be the most influencing factors on the life of the pipeline and the number of accidents on the pipeline. The purpose of the presented work is to show the relevance of the development of scientific foundations, new algorithms and corresponding calculation technologies in modern engineering hydraulic calculations, which include individual achievements - unfortunately missed in the domestic educational literature - of the fifth technological order: cybernetics, computers, numerical methods, communication.
The current trend of technology development in the educational process is based on Internet communications, online calculations and mobile microprocessor gadgets. The article shows an example of developing a universal and reliable server platform for interactive online applications that can be used in the learning process. A web service implemented in the PERL programming language using secure CGI client-server technology is presented. The implementation of the technology is considered in detail on the example of a typical problem of the course "Technical Mechanics of Liquids and Gases" to determine the critical depth of flow in the open channel. The analysis of possibilities and - most importantly - limitations of various modern trends in the implementation of computer algebra systems in comparison with the development of an interactive web form of online calculations, which is developed specifically for each educational task. An experimental project of educational and methodical material with web forms of online calculation of individual tasks is a variant of modern universal online technology. This example combines a wide range of microprocessor gadgets and operating systems without restrictions. The calculations are presented in tabular format of the output of the entire volume of iterative calculations and graphical visualization of the results. Conclusions of calculations in a graphical format with scaling avoids conventionality or formal schematics in the process of analysis and conclusions about the results of the calculation. At each stage of using the web form, the size, size and format of data entry are controlled. The main purpose of the implementation of an interactive web form with the conclusion of scaled visualization of the results of calculations - to bring conditional learning examples to real practical calculations.
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