scholarly journals Development of Universal Wheelchair Transporter

2018 ◽  
Vol 7 (4.27) ◽  
pp. 63
Author(s):  
N. F.A Zulkepli. ◽  
S. Khusairi ◽  
M. S.B Shaari ◽  
N. S Khusaini ◽  
N. N Aziz. ◽  
...  
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Product Design ◽  
Selection Method ◽  
Design Concept ◽  
3D Design ◽  
Element Analysis

This work introduces a new universal wheelchair transporter to transport a conventional wheelchair from one point to another. The chosen design concept had been selected using Pugh chart selection method [13], considering all aspect contributed that give the highest weightage. The 3D design utilized CATIA software to visualize the product. Mecanum wheels were chosen to move the platform due to its flexibility and maneuverability in any direction without turning the universal transporter. The objective of this project is to develop a fully functional universal wheelchair transporter to transport a patient from one room to another room in the hospital. The performance of the product design is then tested using Finite Element Analysis and shows good results.  

scholarly journals TEACHING FINITE ELEMENT ANALYSIS FOR DESIGN ENGINEERS

2011 ◽  
Author(s):  
Paul M. Kurowski
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Product Design ◽  
Engineering Students ◽  
Undergraduate Curriculum ◽  
Design Tool ◽  
Element Analysis ◽  
Design Engineers ◽  
The Finite Element Analysis ◽  
Cost Efficient

The Finite Element Analysis (FEA) is becoming increasingly popular among design engineers using it as one of many product design tools. Safe and cost efficient use of FEA as a product design tool requires training, different from that presently found in undergraduate curriculum of mechanical engineering students. The specific requirements of design engineers for training in the field of FEA have been addressed by the author in a number of professional development courses in FEA, catering specifically to the needs of design engineers. This paper discuses tools and methods used in the development and delivery of these courses and their applicability to the undergraduate courses taught in Canadian Engineering schools.

The Design and Finite Element Analysis for Crane Turntable Gear Based on Pro/E and ANSYS

2013 ◽  
Vol 710 ◽  
pp. 243-246
Author(s):  
Xian Hong Yang
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Product Design ◽  
Optimization Design ◽  
Three Dimensional ◽  
Reference Value ◽  
Element Model ◽  
Helical Gear ◽  
Engineering Analysis ◽  
Element Analysis

The use of Pro/E and their respective advantages ANSYS software product design and engineering analysis to solve the case, first of all in the Pro/E, the completion of three-dimensional helical gear design, and then in the Pro/MECHANICA completed finite element model of helical gear, and then into ANSYS for finite element analysis of bevel gear calculation and simulation, finite element analysis of the final results of optimization design model is presented recommendations for improvement. The product design and engineering analysis method has some reference value in engineering design.

Development of a Product Development Lab Course: Application of Theoretical, FEA and Experimental Techniques

2008 ◽  
Author(s):  
M. Khandaker ◽  
S. Ekwaro-Osire
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Product Development ◽  
Product Design ◽  
Experimental Techniques ◽  
Element Analysis ◽  
Design Problems ◽  
Laboratory Courses ◽  
Senior Design ◽  
Hands On

Finite Element Analysis (FEA) and experimental techniques based laboratory courses are used in the mechanical engineering curriculum to equip students with numerical and experimental abilities to solve design problems. Review of mechanical engineering curricula in US universities found no definite structure for the numerical and experimental based laboratory courses to support the core courses. Also, the authors found that due to lack of knowledge about the application of finite element analysis and lack of collaboration of experimental laboratories in the universities and colleges, students are unable to apply theory, numerical tool and experiment, when it comes to complete product design. To be effective product development engineers, students have to know how to use these engineering tools effectively for various mechanical systems to design a product with perfection. This motivated the authors to develop, teach, and evaluate a laboratory course before the senior design project, where students will have hands on experience with product design. The application of theoretical, numerical and experimental techniques, and their interconnectedness, will also be addressed in this new course. The main three learning objectives of this course were: (1) the ability to apply physical and mathematical models to analyze or design the mechanical systems; (2) the ability to use numerical tools (e.g., FEA) and a fundamental understanding of the limitations of such tools; and (3) the ability to correlate the theoretical knowledge with FEA and experimental findings. Some of the issues observed from the previously taught FEA laboratory related course are: (1) students do not understand how to use FEA tools in practical design problems; (2) students are unable to relate the theory with numerical and experimental result; (3) students do not understand the importance of verification of numerical results; and (4) students with knowledge of a particular analysis background have problems setting up the product design requirements dealing with different analysis systems. To overcome these difficulties, the proposed course will select design problems related to heat, fluid, vibration, and fracture and examine the overall design process including preliminary design, material selection, manufacturing, analysis, and testing. Simulating the complexity of “real world” engineering will prepare students for their senior design projects. The main benefits of this course are: (1) application of theoretical, numerical, and experimental techniques to solve a design problem, and (2) hands on experience with design problems.

scholarly journals Influence of PEEK Coating on Hip Implant Stress Shielding: A Finite Element Analysis

2016 ◽  
Vol 2016 ◽  
pp. 1-10 ◽  
Author(s):  
Jesica Anguiano-Sanchez ◽  
Oscar Martinez-Romero ◽  
Hector R. Siller ◽  
Jose A. Diaz-Elizondo ◽  
Eduardo Flores-Villalba ◽  
...  
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Cancellous Bone ◽  
Stress Shielding ◽  
Design Concept ◽  
Von Mises Stress ◽  
Hip Implants ◽  
Element Analysis ◽  
Stress Transmission ◽  
Von Mises

Stress shielding is a well-known failure factor in hip implants. This work proposes a design concept for hip implants, using a combination of metallic stem with a polymer coating (polyether ether ketone (PEEK)). The proposed design concept is simulated using titanium alloy stems and PEEK coatings with thicknesses varying from 100 to 400 μm. The Finite Element analysis of the cancellous bone surrounding the implant shows promising results. The effective von Mises stress increases between 81 and 92% for the complete volume of cancellous bone. When focusing on the proximal zone of the implant, the increased stress transmission to the cancellous bone reaches between 47 and 60%. This increment in load transferred to the bone can influence mineral bone loss due to stress shielding, minimizing such effect, and thus prolonging implant lifespan.

Finite Element Analysis of Pressure Balance Work over Rig Platform

2013 ◽  
Vol 483 ◽  
pp. 656-659
Author(s):  
Jia Qi Jin ◽  
Ya Zhou Li ◽  
Xian Rong Wang
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Working Conditions ◽  
Structural Member ◽  
Pressure Balance ◽  
3D Design ◽  
Element Analysis ◽  
Welded Structure ◽  
Design Software ◽  
Stress At Work

In this article, using the method of the separation of cars and platform design to pressure balance work over rig, that is a large welded structure. Work platform components adopt link and structural member is h-section steel, in terms of stress at work is more complex. Through the 3D design software to model and to analyze the stress of the several typical working conditions, to verify the rationality of the design of the structure and put forward the improvement opinion. The analysis also can be widely applied in all kinds of integral welded structure.

scholarly journals A Development Study of a New Bi-directional Solenoid Actuator for Active Locomotion Capsule Robots

Electronics ◽  
2020 ◽  
Vol 9 (5) ◽  
pp. 736
Author(s):  
Linlin Wu ◽  
Kaiyuan Lu
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Permanent Magnets ◽  
Design Concept ◽  
Iron Core ◽  
Element Analysis ◽  
Development Study ◽  
Solenoid Actuator ◽  
Collision Force ◽  
Active Locomotion

A new bi-directional, simple-structured solenoid actuator for active locomotion capsule robots (CRs) is investigated in this paper. This active actuator consists of two permanent magnets (PMs) attached to the two ends of the capsule body and a vibration inner mass formed by a solenoidal coil with an iron core. The proposed CR, designed as a sealed structure without external legs, wheels, or caterpillars, can achieve both forward and backward motions driven by the internal collision force. This new design concept has been successfully confirmed on a capsule prototype. The measured displacements show that its movement can be easily controlled by changing the supplied current amplitude and frequency of the solenoid actuator. To validate the new bi-directional CR prototype, various experimental as well as finite element analysis results are presented in this paper.

Finite element analysis and dentistry

2015 ◽  
Vol 6 (3) ◽  
pp. 134-139
Author(s):  
Douglas Hammond ◽  
Justin Whitty
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Product Design ◽  
Material Properties ◽  
Manufacturing Process ◽  
New Products ◽  
Element Analysis ◽  
Specific Material

Finite element analysis (FEA) uses a computerised model to enable a material or model to be artificially stressed or analysed for specific material properties. FEA has been used in industry but is now being used more frequently in medicine and dentistry. It enables the design of new products and also allows for product refinement. This process makes it possible to verify a proposed design prior to what may be an expensive manufacturing process. It may also be able to determine why an existing product design has failed.

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