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STRUCTURAL INTERGRITY.
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Group: MDUGM Stud Selvakumas Virgin Jewing Regi Hame 2022 Lecturer: Saulius Dilionas Hame Surname 2020-03-16 Report submission date Mark Mark STRUCTURAL INTEGRITY Home Work No. 1.2 CALCULATION OF STATICALLY DETERMINED (2D) FRAME Determine the dimensions of rectangular cross-section for the given 2D frame using classical methods. 8. Compute reactions for the given (2D) frame (verification also should be done). 9. Compute axial forces N, shear forces Q, bending moments M and draw their diagrams. 10. Calculate dimensions of rectangular cross-section (w = ?) if allowable stresses is 160 MPa, 11. In SolidWorks Simulation create the FE model of Beam elements. Use structural steel S235 material. Compare the internal forces diagrams. Using the rectangular cross-section with analytically calculated dimensions, determine the Safety factor of the structure. M W 2 All beam elements will be bended about z axis: Scheme: M E 9 a a F (N) 120 Data a (m) 0.8 b (m) 0.6 M (Nm) 80 2w x q (N/m) 40 2022- Werk samned
Group: MDUA Selvakumar Virgin Jenny Regi Name Sumame 2022- Resubmited Lecturer: Saulius Diliūnas Name Suman 2020-03-16 Report submission date Mark Mark STRUCTURAL INTEGRITY Home Work No. 1.1 STRENGTH AND STIFFNESS EVALUATION OF 3D FRAME Evaluate the strength and stiffness of given 3D frame using classical and Finite Element (FE) methods (program SolidWorks Simulation): 1. calculate internal loads M, T, Q and N acting on the elements and draw their diagrams; 2 calculate the maximum normal and shear stresses at the point of the dangerous cross-section; 3. for the most loaded point of dangerous cross-section write stress tensor by evaluating the stresses caused by internal moments and axial force; 4 for the same point as in item 3 calculate the principal stresses by evaluating the stresses caused by internal moments and axial force (for classical approach apply Mohr circles); 5. for the same point as in item 3 calculate factors of safety by applying three different strength criteria (Maximum Normal Stress / Rankin; Maximum Tangential Stress/Tresca / Stress Intensity and von Mises); 6. calculate the linear horizontal displacement of the common point between elements b and c; 7. compare and comment on the results obtained using the classical and finite element method Scheme: 4 9 F b Lengths of elements (m) F 9 Material b a C (N) (N/m) 0.8 1.2 500 0.4 400 S235JR Young's modulus of steel E=2-10¹¹ Pa, Shear modulus G = 0,8-10 Pa, Cross-section of elements circular pipe 48.3 x 5 mm (external diameter = 48.3 mm). Data Stud. a 2022- Work submitted