NON LINEAR ANALYSIS OF A HAWT BLADE USING LARGE DEFLECTION CRITERIA
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This document summarizes the results of a nonlinear dynamic simulation of a 52.3m beam profile. The maximum von Mises stress was 2.06e8 N/m^2. The maximum displacement was 7162.71 mm. The maximum velocity was 730.022 mm/s and the maximum acceleration was 12.1129 mm/s^2. In conclusion, the results were consistent with an earlier static analysis for the 10 second simulation with 0.1 second time steps.
![PUTHUSSERY VISHNU R
29-Sep-16
Analyzed with SolidWorks Simulation
Simulation of new profile_52.3m_three
points_unsplitted 2
Assumptions
Model Information
Model name: new profile_52.3m_three points_unsplitted
Current Configuration: Default
Shell Bodies
Document Name and
Reference
Formulation Volumetric Properties
Document Path/Date
Modified
Surface-Extrude1[1]
Thick
Thickness:300 mm
Weight:401334 N
Volume:31.5019 m^3
Mass:40952.4 kg
Density:1300kg/m^3
F:Students
projectRonynew
profile_52.3m_three
points_unsplitted.SLDPRT
Sep 29 18:08:17 2016](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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NON LINEAR ANALYSIS OF A HAWT BLADE USING LARGE DEFLECTION CRITERIA
- 1. PUTHUSSERY Phone: 9447047109 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 1 Simulation of new profile_52.3m_three points_unsplitted Date: Thursday, September 29, 2016 Designer: VISHNU R Study name: Nonlinear with epoxy Analysis type: Nonlinear - Dynamic Table of Contents Description............................................1 Assumptions ..........................................2 Model Information ...................................2 Study Properties .....................................4 Units ...................................................4 Material Properties ..................................5 Loads and Fixtures...................................6 Connector Definitions...............................6 Contact Information.................................7 Mesh Information ....................................8 Sensor Details ........................................9 Resultant Forces .....................................9 Beams..................................................9 Study Results ....................................... 10 Conclusion .......................................... 18 Description No Data
- 2. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 2 Assumptions Model Information Model name: new profile_52.3m_three points_unsplitted Current Configuration: Default Shell Bodies Document Name and Reference Formulation Volumetric Properties Document Path/Date Modified Surface-Extrude1[1] Thick Thickness:300 mm Weight:401334 N Volume:31.5019 m^3 Mass:40952.4 kg Density:1300kg/m^3 F:Students projectRonynew profile_52.3m_three points_unsplitted.SLDPRT Sep 29 18:08:17 2016
- 3. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 3 Surface-Extrude1[2] Thick Thickness:300 mm Weight:356739 N Volume:28.0015 m^3 Mass:36401.9 kg Density:1300kg/m^3 F:Students projectRonynew profile_52.3m_three points_unsplitted.SLDPRT Sep 29 18:08:17 2016 Surface-Fill1 Thick Thickness:300 mm Weight:35825 N Volume:2.81201 m^3 Mass:3655.61 kg Density:1300kg/m^3 F:Students projectRonynew profile_52.3m_three points_unsplitted.SLDPRT Sep 29 18:08:17 2016 Split Line1 Thick Thickness:300 mm Weight:1.55953e+006 N Volume:144.669 m^3 Mass:159136 kg Density:1100kg/m^3 F:Students projectRonynew profile_52.3m_three points_unsplitted.SLDPRT Sep 29 18:08:17 2016
- 4. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 4 Study Properties Study name Nonlinear with epoxy Analysis type Nonlinear - Dynamic Mesh type Shell Mesh Using Surfaces Start time 0 Seconds End time 10 Seconds Time increment 0.1 Seconds Large displacement formulation: On Update load direction with deflection: Off Large strain formulation: Off Save data for restarting the analysis Off Thermal Effect: On Thermal option Include temperature loads Zero strain temperature 298 Kelvin Solver type Large Problem Direct Sparse Incompatible bonding options Simplified Control technique: Force Iterative technique: NR(Newton-Raphson) Integration Method Newmark Result folder SolidWorks document (F:Students projectRony) Units Unit system: SI (MKS) Length/Displacement mm Temperature Kelvin Angular velocity Rad/sec Pressure/Stress N/m^2
- 5. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 5 Material Properties Model Reference Properties Components Name: PVC Rigid Model type: Linear Elastic Isotropic Default failure criterion: Unknown Tensile strength: 4.07e+007 N/m^2 Elastic modulus: 2.41e+009 N/m^2 Poisson's ratio: 0.3825 Mass density: 1300 kg/m^3 Shear modulus: 8.667e+008 N/m^2 SurfaceBody 1(Surface- Extrude1[1])(new profile_52.3m_three points_unsplitted), SurfaceBody 2(Surface- Extrude1[2])(new profile_52.3m_three points_unsplitted), SurfaceBody 3(Surface- Fill1)(new profile_52.3m_three points_unsplitted) Curve Data:N/A Name: Epoxy, Unfilled Model type: Linear Elastic Isotropic Default failure criterion: Unknown Tensile strength: 2.8e+007 N/m^2 Compressive strength: 1.04e+008 N/m^2 Elastic modulus: 2.415e+009 N/m^2 Poisson's ratio: 0.35 Mass density: 1100 kg/m^3 SurfaceBody 4(Split Line1)(new profile_52.3m_three points_unsplitted) Curve Data:N/A
- 6. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 6 Loads and Fixtures Fixture name Fixture Image Fixture Details Fixed-1 Entities: 1 face(s) Type: Fixed Geometry Resultant Forces Components X Y Z Resultant Reaction force(N) -15635.4 350.009 1120.25 15679.4 Reaction Moment(N.m) -3.66328 428.451 54.2372 431.886 Load name Load Image Load Details Force-1 Entities: 3 face(s) Type: Apply normal force Value: 1.8e+006 N Connector Definitions No Data
- 7. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 7 Contact Information Contact Contact Image Contact Properties Global Contact Type: Bonded Components: 1 component(s) Options: Compatible mesh
- 8. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 8 Mesh Information Mesh type Shell Mesh Using Surfaces Mesher Used: Curvature based mesh Jacobian check for shell On Maximum element size 0.997694 m Minimum element size 0.332561 m Mesh Quality High Mesh Information - Details Total Nodes 6892 Total Elements 3330 Time to complete mesh(hh;mm;ss): 00:00:02 Computer name: VISHNU-PC
- 9. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 9 Sensor Details No Data Resultant Forces Reaction Forces Selection set Units Sum X Sum Y Sum Z Resultant Entire Model N -15635.4 350.009 1120.25 15679.4 Reaction Moments Selection set Units Sum X Sum Y Sum Z Resultant Entire Model N.m -3.66328 428.451 54.2372 431.886 Beams No Data
- 10. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 10 Study Results Name Type Min Max Stress1 VON: von Mises Stress at Step No: 50(5 Seconds) 0 N/m^2 Node: 1649 2.06108e+007 N/m^2 Node: 1644 new profile_52.3m_three points_unsplitted-Nonlinear with epoxy-Stress-Stress1 Name Type Min Max Displacement1 URES: Resultant Displacement at Step No: 50(5 Seconds) 0 mm Node: 1384 3504.13 mm Node: 1386
- 11. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 11 new profile_52.3m_three points_unsplitted-Nonlinear with epoxy-Displacement-Displacement1 Name Type Min Max Strain1 ESTRN: Equivalent Strain at Step No: 10(1 Seconds) 0 Element: 3307 0.00154468 Element: 576
- 12. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 12 new profile_52.3m_three points_unsplitted-Nonlinear with epoxy-Strain-Strain1 Name Type Response1 Nonlinear Response
- 13. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 13 new profile_52.3m_three points_unsplitted-Nonlinear with epoxy-Response-Response1 Name Type Min Max Displacement2 URES: Resultant Displacement at Step No: 100(10 Seconds) 0 mm Node: 1384 7162.71 mm Node: 1386
- 14. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 14 new profile_52.3m_three points_unsplitted-Nonlinear with epoxy-Displacement-Displacement2 Name Type Min Max Velocity1 VRES: Resultant Velocity at Step No: 100(10 Seconds) 0 mm/sec Node: 1384 730.022 mm/sec Node: 697
- 15. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 15 new profile_52.3m_three points_unsplitted-Nonlinear with epoxy-Velocity-Velocity1 Name Type Min Max Acceleration1 ARES: Resultant Acceleration at Step No: 100(10 Seconds) 0 mm/s^2 Node: 1384 12.1129 mm/s^2 Node: 1386
- 16. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 16 new profile_52.3m_three points_unsplitted-Nonlinear with epoxy-Acceleration-Acceleration1 Name Type Response2 Nonlinear Response
- 17. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 17 new profile_52.3m_three points_unsplitted-Nonlinear with epoxy-Response-Response2 Name Type Response3 Nonlinear Response
- 18. PUTHUSSERY VISHNU R 29-Sep-16 Analyzed with SolidWorks Simulation Simulation of new profile_52.3m_three points_unsplitted 18 new profile_52.3m_three points_unsplitted-Nonlinear with epoxy-Response-Response3 Conclusion Static structural analysis has been done on the model with similar boundary conditions and the obtained results have been assessed thoroughly. Being a beam with above 50m span it was inevitable to do a nonlinear study with large displacement option turned on. The results seems to be on par with the static results for a time of 10 seconds and 0.1 second time step.