scholarly journals Crash Analysis on the Automotive Vehicle Bumper

2019 ◽  
Vol 8 (6S3) ◽  
pp. 1602-1607 ◽  
Keyword(s):  
Impact Analysis ◽  
Equivalent Stress ◽  
Suitable Material ◽  
Material Optimization ◽  
Analysis Process ◽  
Modeling Process ◽  
Materials Used ◽  
Two Stages ◽  
The Impact ◽  
Ansys Workbench

In this article deals the crash investigation of Bumper for different materials using ANSYS Workbench. Bumper is a vital parameter which is used as safety protection for passengers from accidents by means of impact energy absorption from collision environment. The ultimate focus of this work is material optimization for Bumper by performing impact analysis with the help of ANSYS. The entire analysis process comprises of two stages, which are conceptual design of Bumper and preparation of Bumper for numerical analysis. The optimization of this work is based on structural parametric results, in which total deformation, equivalent stress induced are primarily involved. . The reference component’s modeling process is completed by means of CATIA, and then the impact analysis is carried by ANSYS Workbench 16.2, in which the materials used for bumper are Steel and Glass fiber based composite with the constant boundary conditions [speed = 13.3 m sec-1]. Finally suitable material is finalized for car bumper.

scholarly journals Impact Analysis of Go-Kart Bumper to Frontal Collision for Different Materials

2019 ◽  
Vol 8 (6) ◽  
pp. 2621-2624
Keyword(s):  
Impact Analysis ◽  
Equivalent Stress ◽  
Stress And Strain ◽  
Total Deformation ◽  
Front End ◽  
Automobile Body ◽  
Frontal Collision ◽  
Low Distortion ◽  
Materials Used ◽  
The Impact

The very basic inescapable ramification of using automobiles is that from now and then accidents will cause damage to it. In this advanced world, many modern materials have been introduced to the automobile body. A bumper is an edifice structure appertain to the front end and rear end of an automobile that covers the chassis. The bumper and the substructure chassis are the two components that take most of the impetus force during collision conditions. In this work, the bumper of a Go-Kart has been modelled and analysed using ANSYS R19.2 software. The model is analysed in various standard conditions for impact analysis using disparate materials namely Polyethalene, Epoxy Resin And Aluminium Alloy. Various parameters such as total deformation, equivalent stress, equivalent elastic strain have been observed and results were noted. The robustness of the component is determined by pinpointing the fragment or chunk that the breach will occur or where the equivalent stress is elevated when force is attached in front of the Go-Kart. The impact analysis under dynamic loading shows that Expoxy Resin material is more reliable for Go-Kart bumper as it is producing low distortion and has low stress and strain compared to other materials used.

scholarly journals A Modified U-Shaped Micro-Actuator with a Compliant Mechanism Applied to a Microgripper

Actuators ◽  
2019 ◽  
Vol 8 (1) ◽  
pp. 28 ◽  
Author(s):  
Pedro Vargas-Chable ◽  
Margarita Tecpoyotl-Torres ◽  
Ramon Cabello-Ruiz ◽  
Jose Rodriguez-Ramirez ◽  
Rafael Vargas-Bernal
Keyword(s):  
Stress Reduction ◽  
Room Temperature ◽  
Compliant Mechanisms ◽  
Compliant Mechanism ◽  
Equivalent Stress ◽  
Performance Parameters ◽  
The Finite Element Method ◽  
Micro Actuator ◽  
The Impact ◽  
Ansys Workbench

In this paper, a modified U-shaped micro-actuator with a compliant mechanism is proposed. It was analyzed with a uniform and modified thin arm, as well as a similar variation in the corresponding flexure, in order to observe the impact of the compliant lumped mechanism. The use of these compliant mechanisms implies an increment in the deformation and a reduction in the equivalent stress of 25% and 52.25%, respectively. This characterization was developed using the Finite Element Method (FEM) in ANSYS Workbench. The design, analysis and simulation were developed with Polysilicon. In this study, the following performance parameters were also analyzed: force and temperature distribution. This device is supplied with voltage from 0 V up to 3 V, at room temperature. The modified U-shaped actuator was applied in both arms of a microgripper, and to evaluate its electrothermal performance, a static structural analysis has been carried out in Ansys Workbench. The microgripper has an increment in deformation of 22.33%, an equivalent stress reduction of 50%, and a decrease in operation frequency of 10.8%. The force between its jaws is of 367 µN. This low level of force could be useful when sensitive particles are manipulated.

Physician Impact Analysis: An Imperative for the Modern Hospital

1988 ◽  
Vol 1 (4) ◽  
pp. 22-27 ◽  
Author(s):  
Donald R. Carlow ◽  
Patricia A. Rea
Keyword(s):  
Development Process ◽  
Impact Analysis ◽  
Medical Personnel ◽  
Hospital Services ◽  
Analysis Process ◽  
Personnel Recruitment ◽  
Personnel Planning ◽  
Modern Hospital ◽  
The Impact ◽  
Total Impact

In the majority of Canadian hospitals, medical personnel planning is seldom apart of the strategic plan, and the total impact of physician appointments is rarely assessed. By developing a physician impact analysis, the Health Sciences Centre in Winnipeg has attempted to pinpoint key elements associated with physician appointments, such as the impact on financial and physical resources. This development process has been an ongoing one, however, as the institution faced new situations. Because interrelationships between a teaching hospital and faculties of medicine are multifaceted, implementation of the physician impact analysis process allows a better understanding of the impact of medical personnel recruitment on hospital services, on behalf of both parties.

scholarly journals Impact Analysis of Auxetic Structures for Military Applications

2021 ◽  
Vol 9 (9) ◽  
pp. 2238-2249
Author(s):  
Rohit De
Keyword(s):  
3D Printing ◽  
Polyvinyl Chloride ◽  
Poisson’S Ratio ◽  
Impact Analysis ◽  
Poisson's Ratio ◽  
Suitable Material ◽  
Auxetic Structures ◽  
Explicit Dynamic ◽  
The Impact ◽  
Auxetic Structure

Abstract: Auxetic structures are special structures which tend to become wider when subjected to longitudinal tension instead of getting compressed, which implies structures having a negative poisson’s ratio. These structures are used in impact pads due to this unique property. In this comparative study were done on different types of materials and structures which are recognized for 3D printing the auxetic structures. The three stages of explicit dynamic analysis involves firstly selecting the most appropriate structures from chiral truss, re-entrant hexagon, arrow head and one non- auxetic structure which is hexagon structure. From this the structure having the least deformation at the impact point is selected which is re-entrant hexagon. Following this, keeping re-entrant hexagon as the structure, the next set of analysis is performed by varying the structure materials. Polycarbonate, polystyrene, polyvinyl chloride and high density polyethylene were studied and the analysis results showed, polyvinyl chloride as the suitable material. Lastly the limiting velocity for the impact is calculated by varying the impact velocity from 800m/s, 1000m/s and 1200m/s beyond which the structure experienced fracture. This study proposes the selection of suitable auxetic structure and material for manufacturing impact pads. Keywords: Auxetic structures, impact pads, indentation resistance, explicit dynamics, 3D printing, FDM, Poisson’s ratio

scholarly journals Opportunities in Optimizing Car Door Weight

2021 ◽  
pp. 36-43
Author(s):  
Suraj Shinde ◽  
Himadri Majumder
Keyword(s):  
Impact Analysis ◽  
Three Dimensional ◽  
Side Impact ◽  
Weight Optimization ◽  
New Materials ◽  
Strong Material ◽  
Interactive Application ◽  
Reduce Carbon Emission ◽  
Materials Used ◽  
Ansys Workbench

Car door is an important part that is used for the protection of passengers from side collisions and also for the comfort of entering and leaving the car. Car doors weigh around 2% of total car weight. Conventional car doors are made from steel as it is sturdy. But it also contributes to the increment of the car weight. As scientific researchers are getting more advanced, finding out new materials as a substitute for conventionally used steel becomes more evident. Advancement in manufacturing and joining technologies pave the way to encouraging us to search for new improvement opportunities in car door weight optimization. Side impact collision of a car is the most hazardous as it directly hits the driver which causes injuries or death all over the world. Vehicle is one the medium of the terribly hazardous crashes causing injuries and death annually around the word. In this research paper, the most important parameters including materials, loads, stresses and deformation were studied to find out opportunities of car door weight optimization. Reduction in car weight means less fuel consumption which enables automobile industries to reduce carbon emission levels of a car. But the safety of passengers is the main priority which demands a light-weight as well as strong material that can sustain collision impact. The aim of the report is to compare the structure of different materials used in car door with currently used material. The designing of the car door is done using computer-aided three-dimensional interactive application (CATIA) software. Impact analysis is conducted on the door using ANSYS Workbench software by varying the materials. S-glass epoxy UD alloys become promising substitutes because of their satisfactory mechanical properties and specifific strength.

Analysis of Break Impact Load on Composite Insulators Used as Tension String

2011 ◽  
Vol 284-286 ◽  
pp. 505-508
Author(s):  
Bin Liu ◽  
Cao Lan Liu ◽  
Sheng Chun Liu ◽  
Zhen Liu ◽  
Kuan Jun Zhu
Keyword(s):  
Transmission Lines ◽  
Impact Loading ◽  
Impact Analysis ◽  
Structural Model ◽  
Impact Load ◽  
Influence Coefficient ◽  
Analysis Process ◽  
Calculation Results ◽  
String Structure ◽  
The Impact

An analysis process for break impact loadings to tower, conductors and unfaulted insulators is proposed when one of the composite multi- insulators tension string comes to rupture. A finite element method is used to simulate the break impact process in order to consider the whole structural model of transmission lines and geometric nonlinearity. And a two-step calculation process, form-finding analysis and break impact analysis, is performed. The calculation results are verified by testing data. And an impact influence coefficient is defined to characterize the influence of maximum impact loading to tower, unfaulted insulators, conductors and fittings. A typical example with the structure of three-composite-insulators string and two/three suspension points is presented. The impact loading characteristics are obtained with different fracture locations. The obtained results are beneficial to design composite multi-insulators tension string structure.

Integrated Traffic Impact Analysis Process for Urban Renewal

CICTP 2020 ◽  
2020 ◽  
Author(s):  
Yanli Wang ◽  
Hao Sun ◽  
Sicheng Hao ◽  
Bing Wu
Keyword(s):  
Urban Renewal ◽  
Impact Analysis ◽  
Analysis Process ◽  
Traffic Impact

The Impact of a Potential Public/Private Initiative on a Defined Region of the South Suburban Chicago Metropolitan Area

2019 ◽  
pp. 14-32
Keyword(s):  
Supply Chain ◽  
Economic Impact ◽  
Impact Analysis ◽  
Census Data ◽  
Economic Benefits ◽  
Local Economy ◽  
Market Area ◽  
State And Local ◽  
The University ◽  
The Impact

The university is considered one of the engines of growth in a local economy or its market area, since its direct contributions consist of 1) employment of faculty and staff, 2) services to students, and supply chain links vendors, all of which define the University’s Market area. Indirect contributions consist of those agents associated with the university in terms of community and civic events. Each of these activities represent economic benefits to their host communities and can be classified as the economic impact a university has on its local economy and whose spatial market area includes each of the above agents. In addition are the critical links to the University, which can be considered part of its Demand and Supply chain. This paper contributes to the field of Public/Private Impact Analysis, which is used to substantiate the social and economic benefits of cooperating for economic resources. We use Census data on Output of Goods and Services, Labor Income on Salaries, Wages and Benefits, Indirect State and Local Taxes, Property Tax Revenue, Population, and Inter-Industry to measure economic impact (Implan, 2016).

Peculiarities of tool material wear at polymeric composite blank cutting

2018 ◽  
Vol 2018 (7) ◽  
pp. 27-31
Author(s):  
Юрий Зубарев ◽  
Yuriy Zubarev ◽  
Александр Приемышев ◽  
Alexsandr Priyomyshev
Keyword(s):  
Tool Wear ◽  
Tool Material ◽  
Polymeric Composite ◽  
Physical Models ◽  
Technological Parameters ◽  
Tool Materials ◽  
Materials Used ◽  
The Impact ◽  
Material Wear

Tool materials used for polymeric composite blank machining, kinds of tool material wear arising at machining these blanks, and also the impact of technological parameters upon tool wear are considered. The obtained results allow estimating the potentialities of physical models at polymeric composite blanks cutting.

Sign in / Sign up

Export Citation Format

Share Document