Ability of students - "Computer Aided Design" Multimedia Teaching

[Paper Keywords] multimedia Computer aided design graduate Ability
[Abstract] graduate training is the ability to reform the current teaching important content, but also many colleges and universities from teaching to Research the important task of transformation. Through a combination of <<CAD DESIGN "> characteristics of the course, multimedia teaching expounded in the" <CAD DESIGN "> Course application. and then through the course of classroom teaching methods discussed in the multimedia teaching and training capacity of the relationship between graduate students. classroom teaching practice shows that the use of multimedia teaching methods to mobilize the enthusiasm of graduate study and improve the graduate innovation and self-learning ability to achieve good teaching results.

0 Introduction
Computer-aided design (CAD) is a professional elective for Mechanical Engineering to apply the theory of method and practice based both in the curriculum. Mainly on basic knowledge of CAD technology, Engineering applications and the corresponding concept to the students on this basis describes the application of CAD software. so that students master the basic concepts of CAD, GAD software development skills and basic knowledge, improve their understanding of basic concepts of CAD and CAD software for practical ability.

With the rapid development of Computer technology and the increasing popularity of multimedia has already entered the field of education, the application of multimedia in teaching, making teaching methods, teaching methods, teaching concepts and forms of classroom structure and teaching theories have undergone change.

This article will focus on how to use the power of multimedia to improve teaching effectiveness CAD discussion, followed by capacity-building with students to illustrate the importance of multimedia.

A multimedia teaching course in the application of CAD
Multimedia refers to the process of teaching, teaching objectives and teaching according to the characteristics of the object, through the instructional design, rational selection and use of modern teaching media, and with the organic combination of traditional teaching methods, to participate in the whole process of teaching, the role of a variety of media information the students to form a rational structure of the teaching process, to achieve the most optimal teaching.

<<CAD DESIGN "> different from other courses, it is a very practical course, students learn the theoretical knowledge needed, while also mastering the use of relevant software operation and flexible functionality. So the main teaching of this course need to take the following aspects:
(1) CAD describes the basic theory;
(2) combined with the specific professional teaching object orientation describes the connotation and extension of CAD;
(3) the specific teaching CAD software applications.

In the above three aspects of teaching with multimedia tools will be able to receive better teaching results.

1) For the basic theory of CAD can be combined with multimedia technology mainly expounds the meaning and characteristics of CAD, CAD composition, CAD new technology and so on. The part of the said characteristics and elements of the relationship between CAD chart more courseware can be used with slide progressive levels of key color highlight focuses on the method of display. CAD in the introduction of new technology section, you can combine a variety of slide show courseware specific applications of new technology models and classification and so on. If such conditions can also be combined with 3DS MAX CAD software products, dynamic display showing the working process and so on.

2) Computer Aided Design is a highly versatile professional courses in the teaching process should focus on teaching the direction of the object targeted specific professional exposition of the connotation and extension of CAD. CAD in the narrow and broad concepts of the points, the outlined the contents of the course especially the broad CAD, CAD design work that is not only the geometric shape around the start, but involves more extensive finite element analysis, dynamic analysis and simulation, kinematics analysis and simulation of integrated features such as product inspection areas. with the specific target for vehicle Engineering teaching students, the introduction of multimedia in teaching examples. the specific way described by sections of three parts: three-dimensional modeling of automotive components and structural strength analysis, modeling and dynamic simulation of complete vehicles , Analysis and optimization of automotive subsystems. This three-part example uses UG, ANSYS, ADAMS, MATLAB more software, according to the example vividly describes the analysis of CAD and Engineering process actual value.

3) Generally speaking, the total Computer-aided design programs to implement a specific application of CAD software. Taught in this course can software UG. UG software as powerful, many modules, so choose the common and basic module Introduction. With means to live through multimedia computer presentations, according to progressive relations, has introduced the basic environment UG modeling, parameter setting method, commonly used tools, sketching, solid modeling functions. In the course of a multimedia presentation used in the scene a variety of methods to stimulate student interest in learning: Links to Research Papers Download http://www.hi138.com (1) introduced before the software can be drawn showing the use of various UG and complex three-dimensional shape of the overall assembly drawing, in order to illustrate the power of UG, to stimulate enthusiasm for learning.

(2) basic environment and tools for teaching can often be described with examples, so the image can be more intuitive and reflects the basic properties of the toolbar and scope.

(3) Sketch the geometric constraints and size constraints on the functional needs of detail, which is the basis for solid modeling. Can be a live demonstration in the classroom from the simple to the complex process of sketching. In order to make better use of limited class time show animation can be used to record and explain the synchronization means.

(4) three-dimensional solid modeling in the classroom-based presentations in a simple model, but such models require typical and representative, it should be simple and basic elements of complex models, complex models can be arranged after school on the machine operation, time slot in the machine targeted counseling.

2 Ability of multimedia teaching and graduate
On the one hand, students of innovation and Engineering practice their professional knowledge with the adequacy of a great relationship; the other hand, the ultimate goal of graduate study, and not just to acquire knowledge, more importantly, is to master the methods of acquiring knowledge, to understand new things, study new situations, solve new problems, this is the value of knowledge.

Teaching with CAD Multimedia and graduate students summarized the relationship between capacity-building:
2.1 multi-media teaching can improve the ability of students to apply their knowledge
CAD on the sample through the classroom to explain and interact with graduate students, so students from the visual, hearing, touch that many UG software. If conditions permit, allowing students to carry laptops to class, to follow the teacher's presentation in real-time learning, which can perform more efficiently, it also greatly mobilized the enthusiasm of graduate study. after-school arrangements are more complex three-dimensional modeling of parts operations, graduate students can quickly complete the knowledge based on class assignments, identify problems and solve the problem. This is undoubtedly greatly enhanced the ability of students to apply their knowledge.

2.2 multi-media teaching can improve students creative and practical ability
As mentioned earlier, CAD multimedia teaching approach to introduce examples illustrate the broad application of course. This regard through the illustrations, animated to stimulate enthusiasm for graduate study. In addition, also because of its important role in the initiative can make students more active thinking, according to sample replicability. after school can be arranged related to large operations, so that the direction of graduate studies in accordance with their CAD software-based curriculum design, Research and innovation for graduate students to carry out future work to lay a solid foundation.

2.3 multi-media teaching can improve students self-learning ability
Because UG is very powerful, can only focus on the classroom as part of some of the typical operation command module for multimedia presentations, but students can bring laptops into the classroom, the use of heuristic teaching in the classroom, prompting some students to complete by shape more familiar to the operation of spontaneous order, and compare several similar distinction between the function of operating commands. This can greatly improve the students self-identify problems through problem-solving ability.

3 Summary
Multimedia technology makes it an unparalleled advantage in the modern teaching activities are playing an increasingly important role. In order to achieve the desired results of teaching, in addition to teaching methodology, more importantly, their own characteristics based on graduate Research and professional individualized, Graduate ability to cultivate organic combination of multimedia, the only way to follow-up for the students lay a solid foundation in scientific Research. Links http://www.hi138.com Research Papers Download