Improvements in Vehicle Stiffness by Adding Internal Reinforcements

2017 ◽  
Vol 9 (2) ◽  
Author(s):  
R. Mohan ◽  
V. Hariram ◽  
M. Subramanian ◽  
S. Padmanabhan
Keyword(s):  
Topology Optimization ◽  
Automobile Industry ◽  
Climatic Conditions ◽  
Light Weight ◽  
Low Carbon ◽  
Load Path ◽  
Bending Performance ◽  
Conceptual Design Phase ◽  
Minimal Mass ◽  
Torsion Stiffness

The world’s climatic conditions rises and there is a demand for environment friendly vehicle designs. The automobile industry strives hard to ensure low carbon emissions. This refers to the mass reduction and fuel consumption. This paper investigates to achieve the overall Body-in-white (BIW) bending and torsion stiffness performance using Topology optimization and light weight internal reinforcements. The potential opportunity of achieving light weight structure using the efficient way of defining the internal reinforcements has been investigated. BIW at the conceptual design phase has been considered for the research. Topology optimization was performed considering the roof rail and the rocker as the design space with an approach of achieving the improved torsion and bending stiffness performance. The optimized bulk head design locations have improved the BIW stiffness performance with minimal mass increase in the BIW. This method can be widely used at various stages of the BIW design to identify the weaker sections and then design the load path using internal reinforcements effectively. The optimized internal reinforcements has achieved higher torsion and bending performance with minimal mass addition.

Light-Weight Tire Concept

1996 ◽  
Vol 24 (2) ◽  
pp. 119-131
Author(s):  
F. Lux ◽  
H. Stumpf
Keyword(s):  
Fuel Consumption ◽  
Automobile Industry ◽  
Rolling Resistance ◽  
Performance Standards ◽  
Light Weight ◽  
Production Methods ◽  
Lower Fuel Consumption ◽  
Material Resources ◽  
The Past ◽  
Tire Production

Abstract Current demands by the consumer, the automobile industry, and the environment have determined the basis of this investigation. In the past, the requirements—ever faster, ever sportier—were accepted as decisive parameters for the development of our study. In the future, rational and safety-related tire characteristics as well as environmental consciousness will increase, whereas purely performance-related parameters will diminish in their importance. Through our light-weight tire project, we have paved the way for future tire generations. The first priority is the minimal use of material resources; this means a reduction of materials and energy in tire production by using advanced design and production methods without sacrificing performance standards. This benefits the consumer—the final judge of all of our activities—by considerably reducing the rolling resistance, leading to lower fuel consumption. Further design targets include the improvement of rolling behavior and increased comfort by reducing tire weight, and therefore a reduction in unsprung masses on the vehicle.

Topography and topology optimization of diesel engine components for light-weight design in the automotive industry

2019 ◽  
Vol 61 (1) ◽  
pp. 27-34 ◽  
Author(s):  
Ali Rıza Yıldız ◽  
Ulaş Aytaç Kılıçarpa ◽  
Emre Demirci ◽  
Mesut Doğan
Keyword(s):  
Topology Optimization ◽  
Diesel Engine ◽  
Automotive Industry ◽  
Light Weight ◽  
And Topology ◽  
Weight Design ◽  
Engine Components

scholarly journals Complex Valuation of Energy from Agricultural Crops including Local Conditions

Energies ◽  
2021 ◽  
Vol 14 (5) ◽  
pp. 1415
Author(s):  
Václav Voltr ◽  
Martin Hruška ◽  
Luboš Nobilis
Keyword(s):  
Soil Quality ◽  
Environmental Impacts ◽  
Climatic Conditions ◽  
Energy Crops ◽  
Co2 Production ◽  
Low Carbon ◽  
Local Conditions ◽  
Low Carbon Economy ◽  
Silage Maize ◽  
Marginal Areas

This paper provides values of economic, energy and environmental assessments of 20 crops and assesses the relationships of soil-climatic conditions in the example of the Czech Republic. The comparison of main soil quality indicators according to the configuration of land and climate regions is performed on the basis of energy and economic efficiency as well as a comparison of the level of environmental impacts. The environmental impacts are identified based on the assessment of emissions from production and also in the form of soil compaction as an indicator of the relationship to soil quality. As concerns soil properties, of major importance is soil skeleton, slope of land and the depth of soil, which cause an increase in emissions from the energy produced. Substantially better emission parameters per 1 MJ through energy crops, the cultivation of perennial crops and silage maize has been supported. Among energy crops, a positive relationship with the quality of soil is seen in alfalfa, with a significant reduction in soil penetrometric resistance; energy crops are also politically justifiable in competition with other crops intended for nutrition of population. The main advantage of energy crops for the low-carbon economy is their CO2 production to MJ, which is almost half, especially in marginal areas with lower soil depths, slopes and stoniness, which can be included in the new agricultural policy.

Structural Topology Optimization Using Frame Elements Based on the Complementary Strain Energy Concept for Eigen-Frequency Maximization

2005 ◽  
Author(s):  
Akihiro Takezawa ◽  
Shinji Nishiwaki ◽  
Kazuhiro Izui ◽  
Masataka Yoshimura
Keyword(s):  
Topology Optimization ◽  
Cross Sections ◽  
Strain Energy ◽  
Optimization Procedure ◽  
Optimization Method ◽  
Structural Topology ◽  
Energy Concept ◽  
Conceptual Design Phase ◽  
Complementary Strain ◽  
Topology Optimization Method

This paper discuses a new topology optimization method using frame elements for the design of mechanical structures at the conceptual design phase. The optimal configurations are determined by maximizing multiple eigen-frequencies in order to obtain the most stable structures for dynamic problems. The optimization problem is formulated using frame elements having ellipsoidal cross-sections, as the simplest case. Construction of the optimization procedure is based on CONLIN and the complementary strain energy concept. Finally, several examples are presented to confirm that the proposed method is useful for the topology optimization method discussed here.

scholarly journals Green Banking Trends: Customer Knowledge and Awareness in India

2020 ◽  
Vol 8 (1) ◽  
pp. 54-60
Author(s):  
V Chitra ◽  
R Gokilavani
Keyword(s):  
Private Sector ◽  
Financial Institution ◽  
Private Investment ◽  
Clean Energy ◽  
Climatic Conditions ◽  
Low Carbon ◽  
Low Carbon Economy ◽  
Energy Technologies ◽  
Private Sector Investment ◽  
Consumer Markets

Global warming is increasing; therefore, Change is the law of nature. The changes like the environmental and climatic conditions, are one of the most complicated issues faced by the growing society. The survival of the fittest contributes to the idea of adaptation to the changes in society. Today’s business is all about being green, and companies use this as a key strategy to expand its market and impact society. Even the top companies like Amazon to apple are moving in a great way towards green. The economic development lies in the palms of the banks being the financial organizations.Green banking means a financial institution, typically public or quasi-public, that uses innovative financing techniques and market development tools in partnership with the private sector to accelerate deployment of clean energy technologies. Green banks use public funds to leverage private investment in clean energy technologies that, despite being commercially viable, have struggled to establish a widespread presence in consumer markets. Green banks seek to reduce energy costs for ratepayers, stimulate private sector investment and economic activity, and expedite the transition to a low-carbon economy. Adoption of green banking practices will not only be useful for the environment but also benefit in greater operational efficiencies, minimum errors and frauds, and cost reductions in banking activities. The present paper aims to highlightIndian initiatives and adoption by various banks towards green banking in India. Further, an attempt has been made to highlight the major benefits, confronting challenges of Green Banking.

scholarly journals Bending Performance of Half-Slab Styrofoam Mortar with Glazed Nylon Fiber

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Mochamad Solikin ◽  
Muhammad Fajrul Falah ◽  
Sri Sunarjono ◽  
Nurul Hidayati ◽  
Suhendro Trinugroho ◽  
...  
Keyword(s):  
Fine Aggregate ◽  
Light Weight ◽  
Bending Performance ◽  
Nylon Fiber ◽  
Tension Strength

Abstract This paper scrutinizes bending performance of light weight half-slab mortar against bending and punching load. To produce the slab, 30 % round bud Styrofoam was used as fine aggregate substitution. Besides, glazed nylon fiber was applied to increase its tension strength and cavities at tension area of slab were also created. This method results in the significant reduction of self-weight of half-slab, while the cavities do not affect its bending performance and the fiber increases its ductility. Furthermore, the lower result of punching test should not to be a disadvantage as the slab is primarily to be used as a formwork.

A NEW MINIMAL PART BREAKUP BODY-IN-WHITE DESIGN APPROACH AND OPTIMIZED MATERIAL MAP STRENGTH ASSESSMENT

2016 ◽  
Vol 78 (7) ◽  
Author(s):  
Mohan Rajasekaran ◽  
V. Hari Ram ◽  
M. Subramanian
Keyword(s):  
Upper Body ◽  
Vehicle Body ◽  
Load Path ◽  
Strength Assessment ◽  
Stiffness Analysis ◽  
Body In White ◽  
Weight Design ◽  
Efficient Option ◽  
Torsion Stiffness ◽  
Better Than

Body-in-White (BIW) is the Car Body without additional subsystems. Automakers are trying hard to reduce the mass of the vehicle body. The efficient option is to use multi materials and minimal number of parts in the BIW, in order to meet the stiffness requirements considering different load cases. Bending Analysis and Torsion Stiffness Analysis was performed to understand and assess the structural performance of the BIW. This paper presents the new BIW architecture with minimal number of parts, with an effective load path for the Structural and Crash load cases. Structural bending and torsion stiffness of the BIW were performed to evaluate the stiffness of the BIW to meet the passenger segment car.  The methodology of using different materials for upper and under body has been investigated with the alternatives as Aluminium and Magnesium. BIW was analysed with Steel under body and Magnesium or Aluminium upper body. The Torsion stiffness of Steel/Magnesium BIW was found to be better than Steel/Aluminium BIW. The design concept with Steel underbody and Magnesium upper body was giving lighter weight design with better structural stiffness as compared to the Steel/Aluminium body. This approach of modifying the materials for the upper body of the BIW can be considered as lightweight solutions in other Conceptual BIW designs.

The Development Situation of Electric Vehicle Charging Service Network Construction and Operation

2013 ◽  
Vol 448-453 ◽  
pp. 3185-3188
Author(s):  
Chen Fang ◽  
Hao Zhang ◽  
Ru Tong Zhang ◽  
Shan Shan Shi ◽  
Yi Chu ◽  
...  
Keyword(s):  
Electric Vehicle ◽  
Automobile Industry ◽  
Energy Crisis ◽  
National Strategy ◽  
Low Carbon ◽  
Service Network ◽  
Network Construction ◽  
Electric Vehicle Charging ◽  
Strategy Construction ◽  
Vehicle Charging

With the deterioration of the environment and energy crisis is becoming more and more serious, many countries have put forward the development of low-carbon automobile industry. China will also increase in the development of electric vehicle and related facilities as a national strategy. Construction and operation of the electric vehicle charging service network is the basic guarantee for the development of electric vehicle industry. Governments continue to strengthen support for the policy of charging facilities, and charging service network construction and operation scale and commercial degree increased gradually.

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