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Title. Program: Analyst name: Requester name: PR No: Date:. 1. Objective. Write in brief about the objective/ scope of the work. 2. Background. Write in brief about the purpose of the work and related past history if any. 3. Assumptions.

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  1. Title Program: Analyst name: Requester name: PR No: Date:

  2. 1. Objective Write in brief about the objective/ scope of the work. 2. Background Write in brief about the purpose of the work and related past history if any.

  3. 3. Assumptions State clearly the assumptions made for the work.

  4. 4. Design details 4.1 Geometry & Construction Bogie cross member – Lip channel Fifth cross member Example slide Forth cross member Forth cross member Rear most cross member Flitch Long member Bogie cross member – End gussets Third cross member Second cross member (Additional from cab to cowl version) Front cross member

  5. 4. Design details 4.2 Material details All the material properties required to run the analysis should be tabulated here. One example shown below.

  6. 4. Design details 4.3 Other details Other properties may include the details like Stiffness, Mass, Inertia, CG location etc.

  7. 5. Analysis setup and acceptance criteria • 5.1 Analysis setup: • Loadcase 1: Inertial loads • 2.5g Vertical • 0.9g Longitudinal + 1g Vertical • 0.3g Lateral • Loadcase 2: 12” Cross Twist • Loadcase 3: 12” Bogie Twist 5.2 Acceptance criteria: The maximum von Mises stress should be less than the yield strength of respective metals and tensile strength of respective nonmetals

  8. 6. Loads and Boundary conditions 6.1 Loadcase 1- Inertial Example slide A. 2.5g Vertical B. 0.9g Longitudinal + 1g Vertical C. 0.3g Lateral All translations constrained

  9. 6. Loads and Boundary conditions 6.2 Loadcase 2- Cross Twist Vertical Displacement 130mm vertical downward displacement Example slide Lateral Displacement F C E D B Right A 90mm lateral displacement to the right Left 130mm vertical upward displacement 65mm lateral displacement to the left 90mm lateral displacement to the left

  10. 6. Loads and Boundary conditions 6.3 Loadcase 3- Bogie Twist Vertical Displacement 130mm vertical downward displacement Example slide Lateral Displacement F C E D B Right 130mm vertical upward displacement A 90mm lateral displacement to the right Left 65mm lateral displacement to the left 90mm lateral displacement to the right

  11. 7. Results

  12. 7.1 Results summary Results should be summarized in tabular or graphical or any other concise form. One example shown below.

  13. 7.2 Loadcase 1A (2.5g vertical): Global von-Mises Stress Plot Example slide 332 MPa

  14. 7.3 Loadcase 2 (Cross Twist): Global von-Mises Stress Plot 257 MPa@Bolt 320 MPa@Weld Example slide

  15. 7.4 Loadcase 3 (Bogie Twist): Global von-Mises Stress Plot 400 MPa@Bolt 818 MPa@Weld Example slide 449 MPa@Edge 526 MPa@Bolt

  16. 8. Recommendations

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