Graphic Disciplines and Informatization of Engineering Education

Descriptive geometry is one of the main disciplines of the general engineering cycle. It presents methods of accurate representation of spatial objects on a plane, as well as the identification of geometric shapes of figures from given images. That is, this discipline is designed to give future engineers the knowledge and skills to build and read drawings. By causing the intensive work of students' spatial thinking, descriptive geometry contributes to the development of spatial representation. In descriptive geometry, a flat image of a spatial object is called a plot (drawing). Students studying descriptive geometry get acquainted with examples of practical use of the theoretical provisions of descriptive geometry in course and diploma design. However, it is much easier to perceive drawings in volume if they can be rotated and viewed from different sides. For these purposes, you can not do without third-party software. Visualization of objects in the presence of a three-dimensional model is provided by Unity. But to create a three–dimensional model according to the drawing, other software is required - for example, Blender. Therefore, the authors set a goal: to create a semi-automatic visualization system for two-dimensional drawings in space based on Blender software and to develop comprehensive and simple documentation that will allow even people far from programming to use the program. It is known that Blender is a powerful program for creating three-dimensional graphics that allows you to create various objects, scenes, animations, as well as edit them. Blender is a free and open source program available to anyone interested in three-dimensional modeling and computer graphics creation. Among the Blender tools for creating three-dimensional models are powerful tools for modeling, sculpting, animation and visualization of objects and scenes. In Blender, you can also draw textures and create 3D animations using animation tools such as key frames.

Development of a System for Semi-Automatic Modeling of Three-Dimensional Images

Slavin,

Kargin,

Slavin

2023

Coursework on engineering graphics as the first design experience

Markova,

Bochkov,

Kokorin

et al. 2023

One of the priorities for higher education and the country as a whole today is serious engineering education. Geometric and graphic disciplines are the first ones directly related to the specialty in the curricula of any technical field of training. The extent of this stage cannot be underestimated: they carry out the required program work, students study the rules and modern means of developing design documents, and receive basic knowledge to continue mastering specialized courses. However, simply knowing the standards or being able to work with computer-aided design tools to solve engineering problems is not enough. A design engineer is a creator, an inventor. This means that one of the main tasks of teachers is to form a systematic technical, design thinking based on developed spatial imagination, the ability to think comprehensively, logically and creatively, and manifested in the ability to take specific actions to solve emerging problems and tasks, make decisions to achieve a specific result in the form of a technical product, a finished design based on the selected technology. This article explores the possibilities of including design elements in educational tasks at the initial stage of training students of mechanical engineering specialties. A description of the course work carried out in the third semester as part of the engineering graphics course at Peter the Great St. Petersburg Polytechnic University is presented. According to the assignment, students develop design documentation for the product according to the diagram, description of the operating principle of the device and drawings of the main parts, make, if necessary, changes to the design to increase the manufacturability of parts and assembly and improve the technical and consumer properties of the product, and one of the parts, as directed teacher, is replaced by a welded assembly unit. The article sets the goals and objectives of the work, describes the stages of implementation and the role of the teacher, and also developed a training manual to ensure independent work of students. An assessment was made of the first experience of using the technique. Conclusions and recommendations are presented.

Frame-By-Frame Animation in Teaching Descriptive Geometry

Paliy

2023

The paper presents using of frame-by-frame animation of geometric constructions in the course "Descriptive Geometry" to present educational graphic material in a more accessible and visual form for students. Electronic support of descriptive geometry classes used at the Department of Engineering Graphics at Bauman Moscow State Technical University made in the technique of frame-by-frame animation in the format of presentations and electronic text publications is presented. The technique of creating frame-by-frame animation is described. Geometric constructions are performed using computer graphics systems, in layers; each layer contains one step of construction. When layers are showed on alternately, a number of graphic files are created, which are inserted in a certain sequence on presentation slides or on the pages of an electronic text publication. During the demonstration, a visualization of the course of geometric constructions is created on the screen. Teachers when giving lectures and practical classes use electronic support of classes, made in the format of presentations to demonstrate the course material on the screen in the classroom. The presentations contain graphic material in the technique of frame-by-frame animation and minimal text material; the teacher gives the necessary explanations. Electronic support of classes, made in the form of an electronic educational visual aid, is used for independent work of students. Unlike classroom presentations, in an electronic educational visual aid, the animation of geometric constructions is accompanied by a text step-by-step description of the sequence of solving geometric problems. The main advantage of using electronic training software made in frame-by-frame animation technology compared to traditional software is the visibility and the ability to consistently, step by step, understanding the course of graphic constructions, with the ability to go back and repeat the sequence at any stage.