Page 1 Stress Analysis Design by analysis : EN :2002 Annex C Used tuning analysis model with uniformly thick cavity: Fabrication model is thicker in sharp transition area. Highlights Loads : Gravity bar Pressure, thermal stress(?) Allowable design stress – 50 MPa (≡f) Linearized stress – Equivalent membrane stress + bending stress Criteria General membrane stress ≤ f All examined area pass this condition Local membrane stress ≤ 1.5f Membrane stress + bending stress ≤ 1.5f A few areas exceed but manageable
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Page 5 Stress Analysis PathMembrane (MPa)Bending (MPa)Membrane+bending (MPa)
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Page 10 Stress Analysis - BC A: y fixed B: z fixed C: 2 vertices x fixed
Page 11 Stress Analysis - Deformation Undeformed wireframe
Page 12 Stress Analysis - Deformation
Page 13 Stress Analysis - Deformation