Computer-Aided Design of Human Knee Implant

2014 ◽  
Vol 613 ◽  
pp. 172-181 ◽  
Author(s):  
Jarosław Zubrzycki ◽  
Natalia Smidova
Keyword(s):  
Finite Element Method ◽  
Clinical Trials ◽  
Computer Aided Design ◽  
3D Model ◽  
Ct Scans ◽  
Polyethylene Insert ◽  
Human Knee ◽  
Computer Aided ◽  
Numerical Finite Element ◽  
Aided Design

This paper presents the design process of human knee implant. The design has been used CT scans from the actual clinical trials. To make a 3D model from CT images Materialise Mimics software was used. On the basis of the resulting model, further work was carried out to obtain a STL model is necessary to carry out research numerical finite element method. This paper presents the results of numerical only one element of which is the medical polyethylene insert, which will act as a prosthetic meniscus.

scholarly journals Optimización del modelado CAD para el análisis del patrimonio histórico molinar

2011 ◽  
Vol 2 (3) ◽  
pp. 127 ◽  
Author(s):  
Miguel Castro García ◽  
José Ignacio Rojas Sola ◽  
Mª del Pilar Carranza Cañadas
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Physical Process ◽  
Computer Aided Design ◽  
3D Model ◽  
Research Work ◽  
Industrial Archaeology ◽  
Computer Aided ◽  
Critical Issues ◽  
Aided Design

The use of CAD techniques (Computer-Aided Design) is a normal practice and is considered a mandatory task in the graphical recovery that involves any study of industrial archaeology: Therefore, it suggests the importance of a successful modelling CAD has in the different studies and analysis, for example, simulation of a physical process by Finite Element Method (FEM). In this sense, the communication is intended to analyze critical issues and meshing surfaces of the 3D model presented in the research work of graphic recovery of any example of heritage industrial, for example, the windmills of the Community of Andalusia (Spain).

Metal Forming and the Finite-Element Method

1989 ◽  
Author(s):  
Shiro Kobayashi ◽  
Soo-Ik Oh ◽  
Taylan Altan
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Metal Forming ◽  
Computer Aided Design ◽  
The Finite Element Method ◽  
Forming Technology ◽  
Computer Aided ◽  
Deformation Mechanics ◽  
Aided Design ◽  
Element Method

The application of computer-aided design and manufacturing techniques is becoming essential in modern metal-forming technology. Thus process modeling for the determination of deformation mechanics has been a major concern in research . In light of these developments, the finite element method--a technique by which an object is decomposed into pieces and treated as isolated, interacting sections--has steadily assumed increased importance. This volume addresses advances in modern metal-forming technology, computer-aided design and engineering, and the finite element method.

Computer Aided Design of Classic External Geneva Mechanism

2014 ◽  
Vol 1036 ◽  
pp. 662-667
Author(s):  
Iulian Stǎnǎşel ◽  
Florin Blaga ◽  
Traian Buidoş
Keyword(s):  
Computer Program ◽  
Computer Aided Design ◽  
Input Data ◽  
3D Model ◽  
Calculated Data ◽  
Computer Aided ◽  
Precise Movement ◽  
Measurement Devices ◽  
Aided Design ◽  
Intermittent Motion

Geneva mechanism is used as a mechanism for transforming rotary motion into intermittent motion and is able to achieve a precise movement and its lock, which makes it usable in many areas, particularly in timer devices, measurement devices, feed mechanisms, positioning mechanisms, pick-up and transport machinery, textile machinery etc. The studied literature showed that, although it has long been known, this mechanism is still interesting for contemporary researchers. The present paper proposes a method of synthesis and a computer-aided kinematic and dynamic analysis for this mechanism. Based on input data, it was developed a computer program that computes the dimensions of components of Geneva mechanism and determines velocity acceleration and displacement of Geneva wheel. The dimensional calculated data were also used to obtain 3D model of the mechanism.

scholarly journals DIGITAL SATELLITE MODEM RECEIVER DESIGNED WITH RUSSIAN-MADE ELECTRONIC COMPONENTS

2020 ◽  
Vol 258 (3) ◽  
pp. 60-64
Author(s):  
E.V. Belov ◽  
E.A. Brusin
Keyword(s):  
Computer Aided Design ◽  
3D Model ◽  
Electronic Components ◽  
Cad System ◽  
Computer Aided ◽  
Aided Design ◽  
Domestic Companies

In this paper we propose the design of the receiving path of an advanced satellite modem. The receiver comprises only the components produced by Russian domestic companies. The parameters of the receiver are discussed in the paper. 3D model of the receiver board obtained using the Altium Designer integrated computer-aided design (CAD) system is also presented.

scholarly journals 3-D simulation of posterior fossa reduction in Chiari I

2016 ◽  
Vol 74 (5) ◽  
pp. 405-408 ◽  
Author(s):  
Yvens Barbosa Fernandes ◽  
Pedro Fábio Mendonça Perestrelo ◽  
Pedro Yoshito Noritomi ◽  
Roger Neves Mathias ◽  
Jorge Vicente Lopes da Silva ◽  
...  
Keyword(s):  
Posterior Fossa ◽  
Computer Aided Design ◽  
3D Model ◽  
Normal Values ◽  
Volumetric Change ◽  
Computer Aided ◽  
Chiari I ◽  
Design Software ◽  
Aided Design

ABSTRACT We proposed a 3D model to evaluate the role of platybasia and clivus length in the development of Chiari I (CI). Using a computer aided design software, two DICOM files of a normal CT scan and MR were used to simulate different clivus lengths (CL) and also different basal angles (BA). The final posterior fossa volume (PFV) was obtained for each variation and the percentage of the volumetric change was acquired with the same method. The initial normal values of CL and BA were 35.65 mm and 112.66º respectively, with a total PFV of 209 ml. Ranging the CL from 34.65 to 29.65 – 24.65 – 19.65, there was a PFV decrease of 0.47% – 1.12% – 1.69%, respectively. Ranging the BA from 122.66º to 127.66º – 142.66º, the PFV decreased 0.69% – 3.23%, respectively. Our model highlights the importance of the basal angle and clivus length to the development of CI.

scholarly journals Strength analysis of the TWS 600 plunger pump body in Solid Works Simulation

2021 ◽  
Vol 21 (1) ◽  
pp. 71-81
Author(s):  
E. V. Koleda ◽  
S. O. Kireev ◽  
M. V. Korchagina ◽  
A. V. Efimov ◽  
J. Sperling
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Computer Aided Design ◽  
The Body ◽  
Strength Calculation ◽  
The Finite Element Method ◽  
Plunger Pump ◽  
Computer Aided ◽  
Solid Works ◽  
Aided Design

Introduction. The relevance of the presented paper is due to the widespread use of plunger pumps in industrial practice, in particular, in gas and oil production. The quality of working operations and the efficiency of further well operation depend largely on their reliability. The improvement of plunger pumps involves increasing their reliability, increasing their service life, efficiency, downsizing, reduction in weight, labor intensity of installation and repair work. The modernization of the mechanism includes its power study since the found forces are used for subsequent strengthcalculations. Before the appearance of programs for the numerical analysis of solid objects, the analytical solution to theproblem of strength calculation of the high-pressure pump drive frame was a very time-consuming and expensiveprocedure. The situation has changed with the development of computer technologies and the inclusion of the finite element method in the computer-aided design systems. The objective of this work is to perform a strength calculationon the TWS 600 plunger pump body made of 09G2S steel. Materials and Methods. A method for determining the reactions of the crank shaft supports of a high-pressure plungerpump and strength calculation of the drive part housing is developed. The direction and magnitude of the resultingforces and reactions of the supports are determined graphically according to the superposition principle of the forceaction on the supports. Strength calculations were performed using the finite element method in the computer-aided design system Solid Works Simulation. In this case, solid and finite-element models of the body with imposed boundary conditions were used, which were identified during the analysis of the design and the calculation of the forces arising under the pump operation.Results. The reactions in the crankshaft supports are described with account for the forces generated by the plungerdepending on its operating mode and the crank position. The forces acting on each of the plungers and the resultingreactions in each of the supports are determined. The diagrams of stresses and the safety factor are presented, whichprovide assessing the strength of the body and developing recommendations for creating a more rational design.Discussion and Conclusions. As a result of the calculations, we have identified areas of the structure with minimumsafety factors, and areas that are several times higher than the recommended values. This provides optimizing the designunder study through strengthening the first and reducing the thickness of the metal on the second. From the point ofview of weight and size characteristics and maintainability, the results of the strength calculation performed can be used to optimize the design of the pump body under typical operating conditions.

Computer Aided Design and Analysis of Conical Forming Dies Subjected to Blast Load

2015 ◽  
Vol 735 ◽  
pp. 50-56 ◽  
Author(s):  
Roozbeh Alipour ◽  
A. Frokhi Nejad ◽  
S. Izman ◽  
M.N. Tamin
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Computer Aided Design ◽  
Blast Loading ◽  
Computer Aided ◽  
Design Software ◽  
Aided Design ◽  
Explosion Load ◽  
Explosive Forming ◽  
Product Dimension

In this paper design and analysis a die meant to cone explosive forming have been investigated. Since the explosive forming dies are subjected to blast loading, failure is too likely to pass. Likewise, the special geometry such as existing the several holes, sealing grooves, vacuum channel and fillets of this type of dies under explosion wave makes their analysis complicated. In the present work, the die was designed according to the final product dimension assisting a design software. In the next step the die under blast loading was analyzed using finite element method utilizing FEM software. The outcomes exhibit that the die is capable to withstand the explosion load. Besides, the trend of this paper is recommended as a routine for the designers who are going to design these types of dies.

Sign in / Sign up

Export Citation Format

Share Document