scholarly journals The ontological basis for teaching CAD staff

2021 ◽  
Vol 11 (1) ◽  
pp. 51-63
Author(s):  
A.A. Cherepashkov ◽  
◽  
A.G. Sharaukhova
Keyword(s):  
Computer Aided Design ◽  
Subject Area ◽  
Specific System ◽  
Ontological Approach ◽  
Special Software ◽  
Computer Aided ◽  
The Subject ◽  
Ontological Analysis ◽  
The Individual ◽  
Aided Design

The urgency and significance of the application of the ontological approach in teaching computer-aided design is sub-stantiated. Training and retraining of personnel is one of the important stages in the implementation of automated sys-tems for industrial purposes, and methodological support tools are necessarily present in the portfolio of all leading manufacturers of computer-aided design systems (CAD). Principles and approaches to the formation of the ontological base of the subject area of teaching computer-aided design are proposed. To highlight the structure of educational ontology, it is proposed to use the concepts of aspects of mechanical engineering design. The hierarchy of levels of training for CAD users is determined. At the operator level, training comes down to mastering a limited set of terms and concepts implemented in specific system solutions. At the technician level, it is required to master a wider set of stand-ard design procedures typical for a whole class of basic CAD technologies. At the engineering levels, the user acquires the knowledge necessary to master the technologies and CAD tools in the complex of all stages of technical prepara-tion of production. The article describes the method of ontological analysis of the studied subject area, which ensures the formation of target trajectories for training and retraining specialists, providing for a number of sequential stages in the formation of an ontological base. The article describes the method of ontological analysis of the subject area of education, which ensures the formation of target trajectories of training and retraining of specialists and provides for a number of successive stages of the formation of an ontological base. To optimize the individual trajectories of training CAD specialists, special software has been developed, integrated with the Protégé ontological editor.

scholarly journals Ontological approach to the formation of subject-oriented knowledge bases in the field of computer-aided design

2019 ◽  
Vol 298 ◽  
pp. 00065
Author(s):  
Andrey Cherepashkov ◽  
Anastasia Sharaukhova
Keyword(s):  
Computer Aided Design ◽  
Knowledge Bases ◽  
Subject Area ◽  
Cad Systems ◽  
Ontological Approach ◽  
Computer Aided ◽  
Design Activities ◽  
Design Systems ◽  
The Subject ◽  
Aided Design

The problem of the formation of subject-oriented knowledge bases in the subject area of operation of computer-aided design systems is discussed. One of the trends in the development of CAD systems is their intellectualization through the development of a system-wide environment, including the means of methodological support of the design activities of users. It is proposed to use the otological approach in identifying and updating the content of knowledge bases used by target CAD personnel. The results of an experiment on the development of a targeted taxonomy in the subject area of computer-aided design of engineering products are presented.

scholarly journals Characterisation of the Filler Fraction in CAD/CAM Resin-Based Composites

Materials ◽  
2021 ◽  
Vol 14 (8) ◽  
pp. 1986
Author(s):  
Andreas Koenig ◽  
Julius Schmidtke ◽  
Leonie Schmohl ◽  
Sibylle Schneider-Feyrer ◽  
Martin Rosentritt ◽  
...  
Keyword(s):  
Computer Aided Design ◽  
Point Of View ◽  
Specific Information ◽  
Dental Resin ◽  
X Ray ◽  
Computer Aided ◽  
Cad Cam ◽  
Filler Fraction ◽  
The Individual ◽  
Aided Design

The performance of dental resin-based composites (RBCs) heavily depends on the characteristic properties of the individual filler fraction. As specific information regarding the properties of the filler fraction is often missing, the current study aims to characterize the filler fractions of several contemporary computer-aided design/computer-aided manufacturing (CAD/CAM) RBCs from a material science point of view. The filler fractions of seven commercially available CAD/CAM RBCs featuring different translucency variants were analysed using Scanning Electron Microscopy (SEM) with Energy Dispersive X-ray Spectroscopy (EDS), Micro-X-ray Computed Tomography (µXCT), Thermogravimetric Analysis (TG) and X-ray Diffractometry (XRD). All CAD/CAM RBCs investigated included midifill hybrid type filler fractions, and the size of the individual particles was clearly larger than the individual specifications of the manufacturer. The fillers in Shofu Block HC featured a sphericity of ≈0.8, while it was <0.7 in all other RBCs. All RBCs featured only X-ray amorphous phases. However, in Lava Ultimate, zircon crystals with low crystallinity were detected. In some CAD/CAM RBCs, inhomogeneities (X-ray opaque fillers or pores) with a size <80 µm were identified, but the effects were minor in relation to the total volume (<0.01 vol.%). The characteristic parameters of the filler fraction in RBCs are essential for the interpretation of the individual material’s mechanical and optical properties.

Computer-Aided Design as Carrier of Set Development Changes System in E-Course Engineering

2016 ◽  
pp. 500-515
Author(s):  
Irina Sidorkina ◽  
Aleksey Rуbakov
Keyword(s):  
Computer Aided Design ◽  
State University ◽  
Stage Of Development ◽  
University Of Technology ◽  
Computer Aided ◽  
E Learning ◽  
Training Courses ◽  
The Subject ◽  
Aided Design ◽  
Current Stage

The current stage of development of learning management systems is associated with use of opportunities provided by global computer networks and technological standards developed in distance education. It offers structuring of educational material in electronic course and approach to navigation modeling, which are consistent with international specifications of e-learning SCORM and IMS, adding to them specific adaptive algorithms for navigating through training courses based on use of the model of integral evaluation of student's knowledge. In this chapter professor Irina Sidorkina (Volga State University of Technology) and professor Vardan Mkrttchian (HHH University) using the results previously obtained for the implementation of Computer - Aided Design as Carrier of Set Development Changes System in E-Course Engineering. Dr. Alexey Rybakov (Omega-R Inc.) was a designing a software on the subject of this chapter.

Computer Aided Design and Analysis of Composite Structure

2014 ◽  
Vol 1036 ◽  
pp. 989-994 ◽  
Author(s):  
Michał Majzner ◽  
Andrzej Baier
Keyword(s):  
Layered Structure ◽  
Computer Aided Design ◽  
Object Oriented ◽  
Verification And Validation ◽  
Structural Components ◽  
Modeling And Analysis ◽  
Computer Aided ◽  
The Individual ◽  
Aided Design ◽  
The Relationship

Feature is one of the methods for representing objects from which are representing components, products and processes. This article presents methods for integration of features of methods in modeling and analysis of composite structural components. The aim of the research is to develop methods for verification and validation of composite layered structure, distinguishing components of the individual layers and identify the relationship between them. By applying the method of features it is possible to determine the structure of the composite fit to the requirements of design and construction. Proposed new types of feature, which allows the creation of object-oriented structures of composite components.

Organizational Effectiveness of Computer-Aided Design

1987 ◽  
Vol 31 (2) ◽  
pp. 214-217
Author(s):  
Douglas H. Harris ◽  
Steven M. Casey
Keyword(s):  
Organizational Effectiveness ◽  
Computer Aided Design ◽  
Working Environment ◽  
Specific System ◽  
Cad System ◽  
Organizational Issues ◽  
Computer Aided ◽  
Major Factors ◽  
Aided Design ◽  
The Impact

A methodology for measuring the organizational effectiveness of computer-aided design (CAD) was developed and applied. A total of 295 of the 500 most frequent users of CAD in a major aerospace company provided data for the study. User-CAD effectiveness was found to be influenced by 43 major factors and 145 specific system and organizational issues. The 43 factors were classified into the following categories: system functions, system hardware, working environment, system reliability and consistency, user access, user support and training, and system administration. Indexes of User-CAD Effectiveness (UE) and System Availability and Reliability (AR) were combined into an Index of CAD Organizational Effectiveness (OE). Through the application of these methods and indexes, CAD system and organizational deficiencies can be diagnosed, potential high-payoff improvements can be identified, and the impact of developmental efforts can be assessed.

scholarly journals DESIGN BY MATERIAL: FROM MATERIAL TO FORM THROUGH CAD MODELLING

2021 ◽  
Vol 1 ◽  
pp. 963-972
Author(s):  
Egon Ostrosi ◽  
Jean-Bernard Bluntzer ◽  
Hugues Baume ◽  
Josip Stjepandić
Keyword(s):  
Design Process ◽  
Computer Aided Design ◽  
Formal Model ◽  
Knowledge Gap ◽  
Systematic Method ◽  
Computer Aided ◽  
Cad Modelling ◽  
The Subject ◽  
Design Perspective ◽  
Aided Design

AbstractFor Aristotelian scholars, matter is identified as the subject of change, while form is the boundary of matter. Design is a process of bringing about change. From a design perspective, material is what an entity is made from; form is what makes a thing what it is. Based on the principle, “form is the boundary of matter”, this paper proposes a Design by Material method, thereby addressing the knowledge gap of a systematic method for designing according to material. This method is predicated on the material specification as the first input in the design process. A formal model is built in which the material acts as a trigger and driver for the design process. The method is implemented by integrating computer-aided design (CAD) modelling and its design form. A design application is explained to demonstrate the relevance of the Design by Material method.

scholarly journals Computer-aided design of resonance-free vibration systems

2018 ◽  
Vol 224 ◽  
pp. 04028
Author(s):  
Nikolai Muliukhin ◽  
Dmitriy Lobanov ◽  
Vladimir Grigoriev ◽  
Viktor Gartfelder
Keyword(s):  
Free Vibration ◽  
Computer Aided Design ◽  
Software Systems ◽  
Ansys Software ◽  
Computer Aided ◽  
Technical Specifications ◽  
The Subject ◽  
Aided Design ◽  
Insight Into

The article provides insight into application of vibration systems in different industries. Disadvantages of conventional devices and advantages of resonance-free vibration systems are revealed. Issues of simulating resonance-free vibration systems, determination of main parameters and technical specifications of operating elements on the example of piling vibrators are discussed. The article dwells upon issues of computer-aided design of vibration systems, power, strength and kinematic calculations of main structure elements in NX, Euler, Ansys software systems. The provided algorithm enables reducing labor intensity of designing resonance-free vibration systems, reducing product cost and increasing the design engineer’s performance. Prospects of further research on the subject matter are outlined.

scholarly journals Comparative Numerical Analysis Of Advertising Board Tower Using Adina And Autodesk Robot Structural Analysis

2015 ◽  
Vol 15 (2) ◽  
Author(s):  
Maciej Major ◽  
Krzysztof Kuliński
Keyword(s):  
Numerical Analysis ◽  
Structural Analysis ◽  
Static Analysis ◽  
Computer Aided Design ◽  
Displacement Analysis ◽  
Design Program ◽  
Computer Aided ◽  
The Subject ◽  
Aided Design

Abstract In this paper the subject of comparative stress and displacement analysis for different computer aided design program environments is discussed. For the purposes of analysis ADINA and Autodesk ROBOT program were used. In both programs an advertising board tower was modeled. Static analysis was adopted for the computations. Obtained results allowed showing small differences and limitations between those two environments.

scholarly journals Results of the pilot phase of a clinical evaluation of computer aided design of trans-tibial prosthesis sockets

1986 ◽  
Vol 10 (3) ◽  
pp. 142-148 ◽  
Author(s):  
J. M. Holden ◽  
G. R. Fernie
Keyword(s):  
Clinical Trials ◽  
Clinical Evaluation ◽  
Computer Aided Design ◽  
Pilot Phase ◽  
Computer Aided ◽  
The Subject ◽  
Conventional Methods ◽  
Aided Design

This study served as a pilot to develop the methodology for a larger number of clinical trials. Ten trans-tibial amputees compared sockets made by conventional methods with sockets made using computer aided socket design (CASD). Prosthetists, paired for experience, fitted each subject with one prosthesis using each method. A preferred socket was selected by the subject on the basis of comfort without knowledge of the method by which the socket was designed. Prosthetists also evaluated the sockets. Three subjects preferred sockets built using CASD and one subject preferred the conventional socket only slightly more than the CASD socket. Six subjects clearly preferred the conventional fitting.

SYSTEM ANALYSIS OF THE PROBLEMS OF THE SCIENCE AND TECHNOLOGY FIELD «MEDICAL COMPUTER-AIDED DESIGN»

2021 ◽  
Vol 13 (4) ◽  
pp. 38-52
Author(s):  
Rashit Nasyrov ◽  
Oleg Tiunov ◽  
Igor Tiunov
Keyword(s):  
Computer Aided Design ◽  
Business Processes ◽  
System Analysis ◽  
Subject Area ◽  
Diagnostic Process ◽  
Computer Aided ◽  
Medical Computer ◽  
Medical Diagnostic ◽  
Design Systems ◽  
Aided Design

The article provides a system analysis of many problems that hinder the development of medical computer-aided design systems (CAD), in order to identify the most important problems of the subject area. An analysis is made of the key participant roles of the development and practical use process of medical CAD systems in order to determine the degree of their contribution to the final comprehensive result. The structure of business processes is being developed to ensure the completeness and relevance of the developed problematic model. The results can be useful for researchers and developers of medical computer-aided design systems, for experts of related specialties and potential consumers; for doctors studying or actively using computer modeling in the medical diagnostic process; for students studying medical informatics and students of biotechnological specialties, as well as teachers of relevant disciplines.

Sign in / Sign up

Export Citation Format

Share Document