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Educ6048 Research Methodology For The Assessment Answers

In dot points describe the factors you considered for project selection. Is the project scientifically worth doing? How are your skills and knowledge base matched with the project? Are you motivated by the idea? What are the potential for future further research work?

Answer:

According to this article, a lot of effort has been put on the analysis of drive axle housing with regards to the traditional design. The study, however, establishes that it is hard to accurately determine the stiffness and strength of axle loads that are dynamic. This research activity will therefore enable one to scientifically:

Design a heavy truck’s axle housing via use of modern methods.

Establish a 3D model alongside a concrete analysis of finite element model via the application of NASTRAN together with a UG modeling software.

Analyze maximum vertical force, maximum traction, maximum lateral force, and maximum brake force.
Obtain the distribution of stress alongside the values of parts deformation.
Verify how reasonable the designs are.

Aghav, H., & Walame, M. (2016). Stress Analysis and Fatigue Analysis of Front Axle of Heavy - Duty Truck using ANSYS Ncode Design Life for Different Loading Cases. Retrieved 2 September 2017, from https://www.ijera.com/papers/Vol6_issue6/Part%20-%202/N0606027882.pdf

Majorly, this article acknowledges the fact that the most important part of a heavy duty track is the front axle. It is by such a reason that it requires appropriate design. However, we are meant to understand, in this article, that such designs require special loading conditions for the vehicle.  This project helps in the scientific analysis of the front axle life with regards to vertical braking cases. The relevance of this article with regards to its subject matter includes the fact that:

It uses the stress and mesh analyses as produced by the ANSYS workbench
It uses the fatigue analysis as produced by the NCODE design life tool with regards to different loading cases.

Wang, Y., & Sun, T. (2017). FINITE ELEMENT ANALYSIS FOR RUTTING PREDICTION OF ASPHALT CONCRETE PAVEMENT UNDER MOVING WHEEL LOAD. Retrieved 2 September 2017, from https://www.ijsimm.com/Full_Papers/Fulltext2017/text16-2_229-240.pdf

The main concern of this activity is to have the accuracy of the rutting prediction model of the finite element improved. It also tries to evaluate as well as determine the truck parameters influences. To do so, it employs a 3D pavement model that is modified. By so doing, the activity scientifically proves that:

  • The single-rear-axle of the front axle is as equally important as the rear axle in relation to the pavement rutting.
  • Decreasing the speed of the wheel increases rutting by calculating percentage.

Soohyok, I., & Ban, H. (2017). Impact of Truck Loading on Design and Analysis of Asphaltic Pavement Structures. Digitalcommons.unl.edu. Retrieved 2 September 2017, from https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1022&context=matcreports

This article mainly talks of the MEPDG methodology which happens to be an improved form of the pavement material evaluation and pavement design. On the contrary, the activity acknowledges that MEPDG has its accurate prediction limited with regards to asphaltic pavements damages and mechanical responses. However the activity determines:

  • The pavement life alongside performance prediction with regards to elastic theory as well as the empirically-developed criteria for failure.
  • Accounts for the viscoelastic paving   materials through the use of the finite element model.

PURUSHOTHAMAN, M., & JAYACHANDRAN, V. (2017). FINITE ELEMENT ANALYSIS OF FRONT AXLE FRAME OF HEAVY DUTY TRUCK WITH CI MATERIAL MODEL. Retrieved 2 September 2017, from Net.

According to this article, reduction of weight alongside design simplicity is an important industrial engineering application and of which form the basis of other techniques. However, the article also asserts that the analysis of stress of truck’s front axle happens to combine during periods of static loading. Such is due to applied modifications due to the use of the finite element method. To obtain scientific proof of the same, the activity:

  • Uses the ANSYS (version 9.0) which is a commercial finite element package.
  • Applies the baseline analysis on the front axle assembly for the purpose of determining the displacement and stress of the system.

Bai, N., Jiao, A., & Liu, S. (2017). Finite Element Analysis of Drive Axle Housing with ANSYS Workbench. Retrieved 2 September 2017, from https://www.scientific.net/AMM.215-216.717

This article applies the UG software for the purpose of determining the use of the entity model for light truck axle housing. According to the article:

  • The housing of the drive axle’s maximum equivalent stress with regards to different conditions is lower than lowest stress value allowable.
  • The scientific implication of the study is to have the analytic results verified.
  • The determined processes should provide reference for the housing of other driving axles as well as a finite element analysis of a similar structure.

KORONIAS, G. (2017). Axle whine phenomenon in light trucks: a combined numerical and experimental investigation. Retrieved 3 September 2017, from https://dspace.lboro.ac.uk/dspace-jspui/bitstream/2134/13347/3/JAUTO1748_REVISED_for_IR.pdf

According to this article, the whining of axles continues in a steady manner resulting to torque fluctuations. The activity then scientifically determines the principal mechanism under which gear whine generates noise via vibration transmission.

Sopouch M. (2017). Browse Papers on Axles : Topic Results - SAE International. Topics.sae.org. Retrieved 3 September 2017, from https://topics.sae.org/axles/papers/

The main activity in this paper is to provide a simulation environment alongside a methodology regarding vibration and noise analyses of a bus’ rear axle (using scientific principles). To prove the subject matter herein, this activity uses the Multi-Body Dynamics model that is fully flexible.

Babu, R. (2017). STATIC AND MODAL ANALYSIS OF REAR AXLE HOUSING OF A TRUCK. Retrieved 3 September 2017, from https://internationalejournals.com/ijmtah_vol1_iss1_07.pdf

This article majorly discusses issues regarding axle housing with regards to vehicle performance. According to the article, the housing is likely to be in one piece or spilt. Using the axle housing, this activity determines the capacity of the vehicle in relation to the axle’s surface area.

Zhang, R., & Meng, K. (2017). Browse Papers on Axles : Topic Results - SAE International. Topics.sae.org. Retrieved 3 September 2017, from https://topics.sae.org/axles/papers/

According to this activity, the electric hybrid axle truck’s powertrain is analyzed. The main activity in the paper is to determine the control strategies with regards to a vehicle’s mode of power take-off.

Hong H. S. (2017). Browse Papers on Axles : Topic Results - SAE International. Topics.sae.org. Retrieved 3 September 2017, from https://topics.sae.org/axles/papers/

This article goes into the legal aspect of analysis by discussing the government legislation worldwide with regards to the control of carbon dioxide. The article discusses in a great deal, the emissions of toxic gases alongside their detrimental effects that would lead to climate change. However, the activity also discusses the manner in which improvement of fuel economy contributes to vehicle design.

Factors to consider for project selection

After reviewing the six literature sources; with regards to the subject matter, the following factors are relevant and worth consideration having noted the subject matter:

When analyzing traditional design drive axle housing, it might be hard to accurately determine the stiffness and strength of axle loads that are dynamic. However, such a case stands if a 3D model alongside a concrete analysis of finite element model via the application of NASTRAN together with a UG modeling software is considered.
For heavy duty trucks, the most important part is the front axle and therefore requires an appropriate design. However, the designs require special loading conditions for the vehicle.
With the MEPDG methodology, the pavement material evaluation and pavement design is improved. However, regarding asphaltic pavements damages and mechanical responses, accurate prediction is limited.

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