Design Of Body Structural Frame Of Mini-Electric Train For ASTU Campus
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Railway vehicle structures generally consist of shells, plates and beams, and behaviour of these members directly affect static and dynamic structural behaviour of these vehicles. In this paper the body structure of a small train built in ASTU is improved by modification and analysing its structural design. Improper design of the train structure and shape leads to failure in strength, reduction of speed, high power consumption and reducing the overall performance of the train. The objective of this research is to improve the body structure of a small train built for ASTU campus. It assess specifically the structures of the mini-train built in ASTU, prepare the model of the existing structure and the improved structure, analyse the structure for strength, deflection and compare the results. The scope of this study includes modelling of the train body using CATIA software, analysing structural integrity (strength and stiffness) to observe the structure strength (stress and deformation) using finite element analysis software, dynamic analysis (crash analysis) of the model using the proper finite element analysis, re-modelling original structure with newly replaced members of the structure. The research commences by modelling the train structure which is designed and manufactured in ASTU. This model is then analysed for strength i.e. stress and deformations. With the defects found on the previously built small train, we re-modelled the small train again for static structural analysis and crash analysis. It is found that, in the existing model all the total displacement values obtained are above 16.752mm whereas, in the new model designed using space frame the maximum displacement obtained is 0.49726mm. This indicates that the stiffness values are improved. Finally, the two results are compared whether structurally safe. Finally, we draw a conclusion that replacing the RHS of 40×40×1mm by 30×30×3mm, selecting space frame and reducing the number of elements gives improved and better structural strength and stiffness than the existing mini-electric train based on static structural analysis by ANSYS 15.0 workbench. Further studies also recommended for refined body structure.
Railway Vehicle Structures Generally Consist Of Shells, Plates And Beams, And Behaviour Of These Members Directly Affect Static And Dynamic Structural Behaviour Of These Vehicles. In This Paper The Body Structure Of A Small Train Built In Astu Is Improved By Modification And Analysing Its Structural Design. Improper Design Of The Train Structure And Shape Leads To Failure In Strength, Reduction Of Speed, High Power Consumption And Reducing The Overall Performance Of The Train. The Objective Of This Research Is To Improve The Body Structure Of A Small Train Built For Astu Campus. It Assess Specifically The Structures Of The Mini-Train Built In Astu, Prepare The Model Of The Existing Structure And The Improved Structure, Analyse The Structure For Strength, Deflection And Compare The Results. The Scope Of This Study Includes Modelling Of The Train Body Using Catia Software, Analysing Structural Integrity (Strength And Stiffness) To Observe The Structure Strength (Stress And Deformation) Using Finite Element Analysis Software, Dynamic Analysis (Crash Analysis) Of The Model Using The Proper Finite Element Analysis, Re-Modelling Original Structure With Newly Replaced Members Of The Structure. The Research Commences By Modelling The Train Structure Which Is Designed And Manufactured In Astu. This Model Is Then Analysed For Strength I.E. Stress And Deformations. With The Defects Found On The Previously Built Small Train, We Re-Modelled The Small Train Again For Static Structural Analysis And Crash Analysis. It Is Found That, In The Existing Model All The Total Displacement Values Obtained Are Above 16.752mm Whereas, In The New Model Designed Using Space Frame The Maximum Displacement Obtained Is 0.49726mm. This Indicates That The Stiffness Values Are Improved. Finally, The Two Results Are Compared Whether Structurally Safe. Finally, We Draw A Conclusion That Replacing The Rhs Of 40??40??1mm By 30??30??3mm, Selecting Space Frame And Reducing The Number Of Elements Gives Improved And Better Structural Strength And Stiffness Than The Existing Mini-Electric Train Based On Static Structural Analysis By Ansys 15.0 Workbench. Further Studies Also Recommended For Refined Body Structure .
Railway Vehicle Structures Generally Consist Of Shells, Plates And Beams, And Behaviour Of These Members Directly Affect Static And Dynamic Structural Behaviour Of These Vehicles. In This Paper The Body Structure Of A Small Train Built In Astu Is Improved By Modification And Analysing Its Structural Design. Improper Design Of The Train Structure And Shape Leads To Failure In Strength, Reduction Of Speed, High Power Consumption And Reducing The Overall Performance Of The Train. The Objective Of This Research Is To Improve The Body Structure Of A Small Train Built For Astu Campus. It Assess Specifically The Structures Of The Mini-Train Built In Astu, Prepare The Model Of The Existing Structure And The Improved Structure, Analyse The Structure For Strength, Deflection And Compare The Results. The Scope Of This Study Includes Modelling Of The Train Body Using Catia Software, Analysing Structural Integrity (Strength And Stiffness) To Observe The Structure Strength (Stress And Deformation) Using Finite Element Analysis Software, Dynamic Analysis (Crash Analysis) Of The Model Using The Proper Finite Element Analysis, Re-Modelling Original Structure With Newly Replaced Members Of The Structure. The Research Commences By Modelling The Train Structure Which Is Designed And Manufactured In Astu. This Model Is Then Analysed For Strength I.E. Stress And Deformations. With The Defects Found On The Previously Built Small Train, We Re-Modelled The Small Train Again For Static Structural Analysis And Crash Analysis. It Is Found That, In The Existing Model All The Total Displacement Values Obtained Are Above 16.752mm Whereas, In The New Model Designed Using Space Frame The Maximum Displacement Obtained Is 0.49726mm. This Indicates That The Stiffness Values Are Improved. Finally, The Two Results Are Compared Whether Structurally Safe. Finally, We Draw A Conclusion That Replacing The Rhs Of 40??40??1mm By 30??30??3mm, Selecting Space Frame And Reducing The Number Of Elements Gives Improved And Better Structural Strength And Stiffness Than The Existing Mini-Electric Train Based On Static Structural Analysis By Ansys 15.0 Workbench. Further Studies Also Recommended For Refined Body Structure .