scholarly journals Mathematical Modelling and Computer Simulation Assist in Designing Non-traditional Types of Precipitators and Separators

2018 ◽  
Vol 8 (1) ◽  
pp. 441 ◽  
Author(s):  
Milan Bernat ◽  
Jaroslav Džmura ◽  
Renáta Bernátová ◽  
Ľubomr Žáčok ◽  
Jan Pavlovkin
Keyword(s):  
Mathematical Modeling ◽  
Experimental Data ◽  
Computer Simulation ◽  
Computer Aided Design ◽  
Theoretical Calculations ◽  
Electrostatic Separation ◽  
Design Engineers ◽  
Computer Aided ◽  
Aided Design ◽  
Advanced Computer

<p>The article deals with the application of the method for mathematical modeling and simulation at solving some issues in the area of electrostatic technology. It focuses on the processes in electrostatic separation and precipitation. Computer simulation is highly required for equipment design and for their diagnostics in critical operating states using theoretical calculations and experimental data evaluation. The presented computer models may be applied both by project and design engineers using the most advanced computer-aided design of electrostatic technologies.</p>

scholarly journals Design Method of Circular Weft-Knitted Jacquard Fabric Based on Jacquard Module

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Peixiao Zheng ◽  
Gaoming Jiang ◽  
Honglian Cong
Keyword(s):  
Mathematical Modeling ◽  
Computer Aided Design ◽  
Theoretical Basis ◽  
Design Method ◽  
Two Dimensional ◽  
Design Procedures ◽  
Rapid Design ◽  
Computer Aided ◽  
Aided Design

Abstract Recently, there is an increasing interest in design of circular weft jacquard because of the pursuit of fashion and comfort. Aiming at the complexity of the computer-aided design method of the existing circular weft-knitted jacquard fabrics, which is not conducive to the rapid design and intelligible for designers, a design method was proposed to transform pattern notation into knitting diagram efficiently, which was based on knitting rules and its creation as a set of jacquard modules. Knitting characteristics of jacquard fabrics were studied as a precondition. On this basis, the design procedures of jacquard modules were analyzed and illustrated by taking tricolor bird's eye backing jacquard as an example. Jacquard modules with various jacquard effects were designed and stored in a jacquard module database. To mathematically describe pattern notation, knitting diagram, and jacquard module, two-dimensional matrixes were established by the method of mathematical modeling, and a corresponding algorithm for the transformation of the pattern to knitting information according to the knitting rules of jacquard modules, which can be applied to ordinary jacquard fabrics was summarized. The project of tricolor circular weft-knitted jacquard with bird's eye in the reverse and four-color air-layer jacquard were taken for instance to verify the models and algorithm. The results obtained show that the approach can efficiently and conveniently realize the designation and machine-knitting of weft-knitted jacquard fabric, which provide a theoretical basis and notation of modeling for the computer-aided design of circular weft-knitted jacquard fabrics.

Mathematical Modeling and Computer-aided Design of Passive Tillage Tools

1995 ◽  
Vol 38 (3) ◽  
pp. 675-683 ◽  
Author(s):  
V. Ros ◽  
R. J. Smith ◽  
S. J. Marley ◽  
D. C. Erbach
Keyword(s):  
Mathematical Modeling ◽  
Computer Aided Design ◽  
Computer Aided ◽  
Aided Design

scholarly journals A Focus On Use

2008 ◽  
Vol 130 (02) ◽  
pp. 28-33 ◽  
Author(s):  
Jean Thilmany
Keyword(s):  
Product Development ◽  
Rapid Prototyping ◽  
Computer Aided Design ◽  
Vice President ◽  
Cad Systems ◽  
Design Engineers ◽  
Computer Aided ◽  
Industrial Designers ◽  
Aided Design

This article analyses the need and benefit of the working of industrial designers and product engineers together. According to engineers and others at the forefront of product development, to do the job right requires a collaboration involving design engineers, industrial designers, manufacturing engineers, and several other players, like marketing people, all of whom have important knowledge that needs to influence a design. Companies such as Trek Bicycle Corp. and Empire Level Manufacturing Corp. have developed practices that foster innovative, human-centered product development. Experts agree that computer-aided design (CAD) and rapid prototyping applications are the two most helpful systems, even though the two types of designers may use the tools in somewhat several ways. According to Rainer Gawlick, vice president of marketing at SolidWorks in Concord, Massachusetts, current CAD systems can help bridge the design-to-engineering-to-manufacturing gap.

Logical Connectives for a CAD Query Language: Algorithms and Verification

2004 ◽  
Author(s):  
Ameya Divekar ◽  
Joshua D. Summers
Keyword(s):  
Computer Aided Design ◽  
Query Language ◽  
Test Cases ◽  
Geometric Information ◽  
Design Engineers ◽  
Modeling Systems ◽  
Computer Aided ◽  
Logical Connectives ◽  
Data Files ◽  
Aided Design

Design engineers create models of design artifacts with commercial Computer Aided Design (CAD) solid modeling systems. These systems stop short of providing support for querying and retrieving data from within the CAD data files. The design exemplar has been proposed as an approach to developing a CAD query language based upon an analysis of the design exemplar components, vocabulary, and extensions to support logical connectives. The implementation of the required extensions is offered in this paper. Algorithms are developed to implement the NOT and OR logical connectives. These algorithms are discussed as they relate to the generic exemplar algorithm. The verification of the algorithms is performed using test cases and comparing the expected results with those found using the software. The design exemplar, supported with the AND, NOT, and OR logical connectives, provides for complex and precise query expression and geometric information retrieval.

Simulation of Wave-Maritime Structure Interactions by Using a Numerical Wave Flume

2012 ◽  
Vol 588-589 ◽  
pp. 1376-1379
Author(s):  
Qin Jiang ◽  
Chang Kuan Zhang
Keyword(s):  
Experimental Data ◽  
Computer Aided Design ◽  
Design Tool ◽  
Coastal Protection ◽  
Numerical Wave Flume ◽  
Wave Flume ◽  
Computer Aided ◽  
Numerical Wave ◽  
Aided Design ◽  
Protection Structures

A numerical wave flume (CADMAS-SURF/2D) developed on the basis of NASA-VOF technique is used to simulate interactions between waves and maritime structures in order to verify its feasibility to maritime structure designs. Examinations and comparisons of the calculated results of wave impacts on typical maritime structures, such as caisson-type and composite breakwaters, with experimental data indicate that the numerical wave flume can be an effective computer aided design tool for the designs of coastal protection structures.

Graphics in Advanced Computer-Aided Design

2002 ◽  
Vol 22 (3) ◽  
pp. 22-23
Author(s):  
F. Bliss ◽  
J. Dill ◽  
C. Machover
Keyword(s):  
Computer Aided Design ◽  
Computer Aided ◽  
Aided Design ◽  
Advanced Computer
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