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#VDI 2230 PART 2 PDF HOW TO#
April 2015, Wien 10 Goals: Automation of bolt calculation for the model class III Forces and moments in the bolts are automatically measured Using external database to simplify the users work What is needed? New load object: bolt pretension with additional properties New result object: post-processing, display of calculated safety factors Accessing database and calculation module of KISSsoft How to implement it? 11. CADFEM 2015 Automation ANSYS Conference & 10. Titelmasterformat durch Klicken bearbeiten CADFEM 2015 Bolt Assessment inside ANSYS Functionality and Workflow ANSYS Conference & 10. April 2015, Wien 8 For a verification in dependence upon VDI 2230 the following loads must be below the acceptable threshold: Working stress Alternating stress Surface pressure at the bolt head and nut bearing area Safety factor against sliding In addition a sufficient length of engagement has to be provided. CADFEM 2015 Realization: verification of load capacity based on VDI 2230 Part 1 ANSYS Conference & 10. April 2015, Wien 7 Modeling Reproduce resilience of bolts and all parts involved Bolt represented as a solid -> dN diameter of the shaft -> d3 diameter of the thread Head and screw nut will not be modeled in detail, thread resilience will not be modeled, this will result from the local displacement Preload is included -> Fm_FE_min, Fm_FE_max 2 Calculations Consider loss of preload Multi-Zone Mesh 8. CADFEM 2015 Model Class III ANSYS Conference & 10. April 2015, Wien Part 2, Chapter 7 Modeling Using FEM-results Verification of bolts 4 model classes 7. CADFEM 2015 Assessment of bolted connections via FEM ANSYS Conference & 10. Titelmasterformat durch Klicken bearbeiten CADFEM 20 Part 2 ANSYS Conference & 10.
#VDI 2230 PART 2 PDF MANUAL#
fluid penetration) Geometric nonlinearities (large deflections during upward movement) Plates stiffness has to be estimated The load introduction factor n has to be estimated Finding the length of lever arm a for an eccentric force transmission can be quite difficult, calculations are cumbersome Source: User Manual KISSsoft Source: User Manual KISSsoft 5. plasticity, creeping) Nonlinear status (i.e.
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April 2015, Wien 4 Nonlinear material behavior (e.g. CADFEM 2015 Limitations of VDI 2230 Part 1 ANSYS Conference & 10. Titelmasterformat durch Klicken bearbeiten CADFEM 20 Part 1 ANSYS Conference & 10. April 2015, Wien 2 Introduction VDI 2230 Bolt Assessment inside ANSYS Verification Examples Application Example Conclusion 3. CADFEM 2015 Agenda ANSYS Conference & 10. Titelmasterformat durch Klicken bearbeiten CADFEM 2015 Fast and reliable Bolt Assessment inside ANSYS Vincent Constantin, CADFEM (Suisse) AG ANSYS Conference & 10.