Model based development and auto code generation is now the widely accepted approach in the field of automotive software development. In order to make model perfectly readable, for easy maintenance and to ease reusing, testing, expanding and exchanging the models between suppliers and OEMs, certain modelling standards should be maintained among the companies. This is the purpose of MathWorks Automotive Advisory Board (MAAB) guidelines. The automotive companies have agreed to follow these guidelines while developing the feature models. Before releasing or delivering any MATLAB model, it is necessary to verify that any MAAB guideline is violated or not. For a model having lot of subsystems, ports, line connections and levels, manual checking of any violation is time consuming and there is higher chance of missing the simple errors. This paper explains the development of a Graphical User Interface (GUI) tool which takes the MATLAB model as input and checks for any violation of MAAB guidelines. The tool is named as 'Model Inspection Tool' and is developed using MATLAB m-script. This tool checks for only some selected guidelines from the MAAB document and not for every point given in it. Thereby developer can ensure the delivery of MAAB guideline compliant models.
In present day shell and tube heat exchanger is the most common type heat exchanger widely used in industries, because it suites high pressure applications. The process involving stimulation consists of modeling existing and newly designed geometry and meshing the new geometry of shell and tube heat exchanger using CFD package 14.0.The objective of the project is to modify the existing heat exchanger in order to reduce the preheating time. We focus on numerical comparison of the existing design with the newly constructed geometry. Analytical data obtained for the new design is compared with the existing one. The actual design consisting of 49 U Tubes with 10mm diameter, length 1225mm and shell diameter 168mm is converted in to 18 tubes with 25.4m diameter, length 2050mm and shell diameter 273.1mm.
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