13-)Contact problem.pdf

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Prepared by: Dr. Numan Behlül BEKTAŞ 1 CONTACT PROBLEM Two plate models are clamped at A and B ends. PRE-PROCESSOR PHASE Preprocessor>Modelling> (Create two rectangular areas as shown above) Preprocessor>Element Type>Add/Edit..>Choose (Shell63) Preprocessor>Real Constants>Add/Edit..>Give Thickness (5mm) Preprocessor>Material models>Material properties>Structural>Linear>Elastic> Isotrop (E=200000MPa, v=0.3) Preprocessor>Meshing>SizeContr>Manual size>Areas>All areas (give Elem size 2mm) Preprocessor>Meshing>Mesh>Areas>Free>Pick two areas and OK. 100 50 50 20 5 Thickness t=5mm Elas. Mod. E=200000MPa v=0.3 A B

Transcript of 13-)Contact problem.pdf

Prepared by: Dr. Numan Behll BEKTA 1 CONTACT PROBLEM Two plate models are clamped at A and B ends. PRE-PROCESSORPHASE Preprocessor>Modelling> (Create two rectangular areas as shown above) Preprocessor>Element Type>Add/Edit..>Choose (Shell63) Preprocessor>Real Constants>Add/Edit..>Give Thickness (5mm) Preprocessor>Material models>Material properties>Structural>Linear>Elastic> Isotrop (E=200000MPa,v=0.3) Preprocessor>Meshing>SizeContr>Manual size>Areas>All areas (give Elem size 2mm) Preprocessor>Meshing>Mesh>Areas>Free>Pick two areas and OK. 100 50 50 20 5 Thickness t=5mm Elas. Mod. E=200000MPa v=0.3 A B Prepared by: Dr. Numan Behll BEKTA 2 Open Contact Manager Windows from utility menu Preprocessor> Contact Manager Preprocessor> Contact Manager> Click Contact Wizard A contact pair consists of a target surface and contact surface.You will first define the target surface. Preprocessor> Contact Manager>Click Contact Wizard>Click Target Surface (Areas) and Flexible Target Type>Pick Target (Area or areas)>Next The contact surface moves into the target surface. >Click Contact surface (areas) and Contact element type (surface-to-surface), than Click Pick contact(area or areas) apply than The contact pair is now ready to be created using the following settings: >Click Create>Flip Target or Contact normals>Finish Preprocessor>Element Type>Add/Edit..>See Target and Contact Element types which are selected by Contact Manager >CONTA174>Options> Choose K2 Penalty Method, K7 Reasonable T/L inc, K11 Include and K12 Bonded (always) OK. Preprocessor>Real Constants>Add/Edit..>CONTA174>Type FKN (200000) OK. SOLUTI ON PHASE Solution>Analysis type>New analysis>Static Select solution>Analysis Type>Soln Control Prepared by: Dr. Numan Behll BEKTA 3 Prepared by: Dr. Numan Behll BEKTA 4 Solution>Define loads>Apply>Structural>Displacements>On Lines (Fix A ve B sides all DOF) Solution>Define loads>Apply>Structural>Pressures>On areas Pressure on Contact surface (-2MPa) Solution>Solve>Current LS Prepared by: Dr. Numan Behll BEKTA 5 POST-PROCESSORPHASE General Postproc>Plot Results>Counter Plot>Nodal Solu>Stres>von Misses