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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

The Aurora : What will space tourism look like in 2040?

Macdonald, Tyler January 2018 (has links)
What is Space Tourism? Space Tourism is when humans venture past 100km above the earth for recreational purposes. It could be for the view or just the thrill, either way space has captured our imaginations ever since we could look up and ask what is beyond our sky. What has happened in the past 10 years in the rocket industry has been amazing. We now have more private companies sending rockets to space at a rate faster than during the space race between the Soviets and Americans. At the current rate we will see the cost of traveling to space drop to a point where more and more people and companies will be able to afford such a flight. And so... it is only a matter of time before we see space tourism as a new industry. Designing something new like a space ship that has no 'standard'. Thus requiring a lot of research in order to contextualize its possibilities. Is it a HTOL (Horizontal Take Off and Landing) or a VTOL (Vertical Take Off and Landing) or Multistaged or Single Stage Rocket? Seemingly endless possibilities are available. As a result the process to create the final design took on the form of a trdional industrial design process, not one that would be similar to the automotive industry. This isnt a project about perfect surfacing or all the proper lead ins. Its something bigger, the beginning of a new discussion. And so, collaborating was a key factor. One with an interaction designer who researched the before launch senario for such a space flight experience. And the other, an aviation geek who loves cool flying machines and finally an aersopace engineer. All allowing for idea bouncing and expansion on strategy and thoughts. Of course what followed was sketching, mood boarding, 3D, and VR and back and forth discussions that such activites provoke. In order to showcase the experience such a product would provide, a small video was finished alongside the final result. In the end this project resulted in 4 products a: Spaceship Exterior, Interior, Helmet and Spacesuit. All connected to each other (quite literally) and thus leading to a complete experience; a solved design. That design is the Aurora. A HTOL SSTO (Horizontal Take-Off and Land, Single Stage To Orbit) Spaceship for the year 2040. A year that will see the beginning of commercial spaceflight for the masses.
12

Numerical modelling of composite materials based on a combined manufacturing-crash simulation

Berger, Andre January 2014 (has links)
Fibre reinforced plastics are widely used for energy dissipating parts. Due to their superior strength to density ratio they provide a high performance and are ideal for lightweight design for crashworthiness. For this, it is essential that the mechanical behaviour of fibre reinforced composites can be predicted correctly by simulation. However, due to the complex inner structure, this is still a challenging task, in particular in case of highly nonlinear crash loading. In this work, a new purely virtual method is developed, which derives the complex fibre structure of a filament wound tube by a chain of numerical simulations. Thereby a finite element simulation of the fibre placement, taking into account the occurring physical effects, constitutes the fundamental base. Based on the results of the manufacturing simulation, a 3D fibre architecture is generated and compared to the real existing structure. The fibre structure, combined with an automatic matrix implementation algorithm, subsequently provides a finite element model of the composite on meso-scale. Using micro-scale analysis, effective material properties for the roving structure, based on filament-matrix interaction, are derived. Incorporation of the effective properties in a USER MATERIAL model completes the finite element model generation. The mesoscale model is subsequently used to analyse the filament wound tube in terms of quasi-static and crash loading. Finally, the obtained results are compared to experimental observations.
13

Computer Aided Design Tool for Electric, Hybrid Electric and Plug-in Hybrid Electric Vehicles

Eskandari Halvaii, Ali 2011 May 1900 (has links)
This research is focused on designing a new generation of CAD tools that could help a ”hybrid vehicle” designer with the design process to come up with better vehicle configurations. The conventional design process for any type of hybrid-electric vehicle would start from the vehicle performance criteria and continue by applying them to the physical models of different components of the vehicle. The final result would be strict and precise characteristics of all components in the vehicle; this scenario gives only one option for the desired vehicle. A new perspective is introduced in developing a new methodology in the art of design. This new method enables the designer to see a wider picture of what he is designing and have access to all his options and capabilities. The method is designed to help the designer ask the right questions about his design options, intelligently guide him through the design process by squeezing the space of solutions and take him to the final designed product. The new methodology is implemented in this research with the following capabilities: 1. The proposed tool allows the designer to choose any arbitrary set of variable to be known and leave the rest as the ones to be solved for; either they are vehicle component characteristic variables or performance measures. This provides a great amount of flexibility and success in designing a vehicle from any available information about it. 2. Instead of starting from single values, the new tool can work with a range of possible values for the known variables and suggest range of feasible values for the unknown variables. This provides the capability of refining the design even further and performing sensitivity analysis. 3. The proposed tool is a package that offers both design and simulation capabilities. It includes analytical performance simulation as well as simulation with arbitrary drive cycles and engine controllers. 4. Capability of 1D, 2D and 3D representation of any arbitrary set of design variables in the solution space. The idea is implemented in a pilot version software package for vehicle design.
14

Volvo Volem

Seifert, Moritz January 2018 (has links)
What if the future of transportation was more diverse, more exciting and more responsible? What if Volvo became a true mobility provider with a broader product palette? What if the airship would finally get its great renaissance and what would it look like if Volvo developed it? With these questions in mind, I started my thesis and eventually designed an airship for Volvo. The word Volvo is derived from Latin and means “I roll” which inspired me to pick the name “Volem” which is equally derived from Latin and means “I fly”. The focus of the degree work is transport in tourism and the final concept is a holistic service design for continental round-trips provided by Volvo. It is not just an airship but rather an entirely new way of traveling suited to the needs of future tourism. A journey of this future should be environmentally responsible, experientially enriching, educational and exciting. The key to this future is “Volvo Volem”. “Volvo Volem” has a comfortable main deck, an extraordinary lounge and an observation balcony which provides an unforgettable experience with its views. During the design process, I conducted some research in the field of tourism and in LTA (lighter-than-air) technologies. I used traditional design tools like sketching and 3D-modelling to refine my ideas. To get an impression of the interior I got the opportunity to test the geometry in virtual reality, which turned out to be a very helpful technology with increasingly indispensable characteristics in the design field.
15

Project Heliotrope : Exploring the Future of Vehicle Ownership

Laiho, Sami January 2018 (has links)
In year 2030 approximately six out of every ten people will live on the urban area. This movement is especially strong in Asias mega cities like for example Tokyo, Delhi, Mumbai and Shanghai. Accelerating globalization is driving us towards the situation where each little peace of transportation must be optimized to gain space, time and efficiency to reduce the greenhouse effect. Personal transportation is a sector which will inexorably face major changes. It might not be as acceptable as it is nowadays. It is simple. Cars are unefficient the way they appear at the moment. To be able to accept them as a part of the future traffic, they need to be designed differently. Future personal transportation must be able to multitasking outside of traffic. It is important that the usage ratio would be improved considerably compared to the current one. When autonomous driving technology enter the market, a big step towards expanding the scope of the vehicles will be taken. It is still consequential to undestand that improving efficiency will not only require Cutting-Edge technology. With re-designed constructions and the creation of new ideas and preferences, one can also go far. While the vehicles are being redesigned, it is also necessary to renew the way people perceive it. If users adopt a new kind of vehicle ideology, it will lead to a positive development curve. The used design process was rather traditional. The research phase was started in January being followed by an ideation phase. After ideation the project moved in to the refinement phase and ultimately to the execution of the design in form of 3D-model and at the end physical model. Measurements and proportions were tested in Virtual Reality and in 2D 1:1 scale so that the correct size of the scale was secured since the project incorporates a space intended for living and longer stays. The Final Result is a new type of vehicle construction that appears in two main piece. It is designed to be more efficient and to serve the user in another dimension as well. Project Heliotrope combines future transportation with temporary living by transforming the vehicle's cabin into a part of your housing while tarveling. The secondary function will in fact become firstrate importance in the optimal situation, when traveling time will be shorter in relation to living time. This is the way that future transportation should be seen and designed. Driving becomes the seconday function. The Lexus Heliotrope styling is audacious and different. It does not obey the proportions or main lines of existing sedans. One of the main goals of the design has been to show the vehicle's duality, which is an important part of the concept. The architecture coprises two side-forming panels, the interposed capsule forming the vehicle cab. The design respects Lexus's traditional front graphics giving it the familiar softness from the past, instead of current murderous sharpness. The center of the visual balance is closer to the rear axle that is well known Lexus trademark. The top view introduces a beautifully flowing design that also shows the typical organic nature of the brand. A long, streamlined body can be seen as a very long lasting design.
16

Design elektrického užitkového terénního vozidla / Design of Electric Utility Terrain Vehicle

Jakubík, Norbert Unknown Date (has links)
The subject of this diploma thesis is to create a new interesting design of electric utility terrain vehicle in accordance with technical, ergonomic and aesthetic requirements for such product. My main aim is to create an innovative design concept of terrain vehicle with utility dump bed and seats for two passengers.
17

Design železniční drezíny / Design of Railway Track Inspection Vehicle

Budík, Marek January 2015 (has links)
This thesis explores narrow category of railroad universal maintenance vehicles, or draisines. It focuses specifically on the long tradition of czech models. The goal of the work is to take this analysis, and use this knowledge to synthesise a new draisine design, which will bring a set of specific advantages, especially from the point of aesthetics and user comfort.
18

Design elektrického užitkového terénního vozidla / Design of Electric Utility Terrain Vehicle

Jakubík, Norbert January 2015 (has links)
The subject of this diploma thesis is to create a new interesting design of electric utility terrain vehicle in accordance with technical, ergonomic and aesthetic requirements for such product. My main aim is to create an innovative design concept of terrain vehicle with utility dump bed and seats for two passengers.
19

System Design of Undersea Vehicles with Multiple Sources of Uncertainty

Benanzer, Todd W. 31 July 2008 (has links)
No description available.
20

Design and validation of a chassis dynamometer for present and future vehicle testing and design

Wilson, III, Robert L. January 2002 (has links)
No description available.

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