微型車驅動橋結構分析和疲勞壽命預測研究

微型車驅動橋結構分析和疲勞壽命預測研究,微型車,驅動,結構,分析,以及,疲勞,壽命,預測,研究,鉆研 Project First Saved Sunday, May 15, 2016 Last Saved Sunday, May 15, 2016 Product Version 15.0.7 Release Save Project Before Solution No Save Project After Solution No Contents · Units · Model (A4) o Geometry § QUDONGQIAOKEGAI o Coordinate Systems o Mesh o Static Structural (A5) § Analysis Settings § Loads § Solution (A6) § Solution Information § Results § Fatigue Tool § Results § Fatigue Sensitivity · Material Data o Structural Steel Units TABLE 1 Unit System Metric (m, kg, N, s, V, A) Degrees rad/s Celsius Angle Degrees Rotational Velocity rad/s Temperature Celsius Model (A4) Geometry TABLE 2 Model (A4) > Geometry Object Name Geometry State Fully Defined Definition Source C:\Users\chanx\Desktop\畢設\song222_files\dp0\SYS\DM\SYS.agdb Type DesignModeler Length Unit Meters Element Control Program Controlled Display Style Body Color Bounding Box Length X 0.265 m Length Y 1.08 m Length Z 0.34 m Properties Volume 9.4652e-003 m3 Mass 74.302 kg Scale Factor Value 1. Statistics Bodies 1 Active Bodies 1 Nodes 9848 Elements 5311 Mesh Metric None Basic Geometry Options Parameters Yes Parameter Key DS Attributes No Named Selections No Material Properties No Advanced Geometry Options Use Associativity Yes Coordinate Systems No Reader Mode Saves Updated File No Use Instances Yes Smart CAD Update No Compare Parts On Update No Attach File Via Temp File Yes Temporary Directory C:\Users\chanx\AppData\Local\Temp Analysis Type 3-D Decompose Disjoint Geometry Yes Enclosure and Symmetry Processing Yes TABLE 3 Model (A4) > Geometry > Parts Object Name QUDONGQIAOKEGAI State Meshed Graphics Properties Visible Yes Transparency 1 Definition Suppressed No Stiffness Behavior Flexible Coordinate System Default Coordinate System Reference Temperature By Environment Material Assignment Structural Steel Nonlinear Effects Yes Thermal Strain Effects Yes Bounding Box Length X 0.265 m Length Y 1.08 m Length Z 0.34 m Properties Volume 9.4652e-003 m3 Mass 74.302 kg Centroid X -7.674e-003 m Centroid Y -2.9654e-006 m Centroid Z -1.2163e-010 m Moment of Inertia Ip1 3.5156 kg·m2 Moment of Inertia Ip2 0.75549 kg·m2 Moment of Inertia Ip3 3.4193 kg·m2 Statistics Nodes 9848 Elements 5311 Mesh Metric None Coordinate Systems TABLE 4 Model (A4) > Coordinate Systems > Coordinate System Object Name Global Coordinate System State Fully Defined Definition Type Cartesian Coordinate System ID 0. Origin Origin X 0. m Origin Y 0. m Origin Z 0. m Directional Vectors X Axis Data [ 1. 0. 0. ] Y Axis Data [ 0. 1. 0. ] Z Axis Data [ 0. 0. 1. ] Mesh TABLE 5 Model (A4) > Mesh Object Name Mesh State Solved Defaults Physics Preference Mechanical Relevance 0 Sizing Use Advanced Size Function Off Relevance Center Coarse Element Size Default Initial Size Seed Active Assembly Smoothing Medium Transition Fast Span Angle Center Coarse Minimum Edge Length 7.5e-004 m Inflation Use Automatic Inflation None Inflation Option Smooth Transition Transition Ratio 0.272 Maximum Layers 5 Growth Rate 1.2 Inflation Algorithm Pre View Advanced Options No Patch Conforming Options Triangle Surface Mesher Program Controlled Patch Independent Options Topology Checking Yes Advanced Number of CPUs for Parallel Part Meshing Program Controlled Shape Checking Standard Mechanical Element Midside Nodes Program Controlled Straight Sided Elements No Number of Retries Default (4) Extra Retries For Assembly Yes Rigid Body Behavior Dimensionally Reduced Mesh Morphing Disabled Defeaturing Pinch Tolerance Please Define Generate Pinch on Refresh No Automatic Mesh Based Defeaturing On Defeaturing Tolerance Default Statistics Nodes 9848 Elements 5311 Mesh Metric None Static Structural (A5) TABLE 6 Model (A4) > Analysis Object Name Static Structural (A5) State Solved Definition Physics Type Structural Analysis Type Static Structural Solver Target Mechanical APDL Options Environment Temperature 22. °C Generate Input Only No TABLE 7 Model (A4) > Static Structural (A5) > Analysis Settings Object Name Analysis Settings State Fully Defined Step Controls Number Of Steps 1. Current Step Number 1. Step End Time 1. s Auto Time Stepping Program Controlled Solver Controls Solver Type Program Controlled Weak Springs Program Controlled Large Deflection Off Inertia Relief Off Restart Controls Generate Restart Points Program Controlled Retain Files After Full Solve No Nonlinear Controls Newton-Raphson Option Program Controlled Force Convergence Program Controlled Moment Convergence Program Controlled Displacement Convergence Program Controlled Rotation Convergence Program Controlled Line Search Program Controlled Stabilization Off Output Controls Stress Yes Strain Yes Nodal Forces No Contact Miscellaneous No General Miscellaneous No Store Results At All Time Points Analysis Data Management Solver Files Directory C:\Users\chanx\Desktop\畢設\song222_files\dp0\SYS\MECH\ Future Analysis None Scratch Solver Files Directory Save MAPDL db No Delete Unneeded Files Yes Nonlinear Solution No Solver Units Active System Solver Unit System mks TABLE 8 Model (A4) > Static Structural (A5) > Loads Object Name Fixed Support Force State Fully Defined Scope Scoping Method Geometry Selection Geometry 2 Faces Definition Type Fixed Support Force Suppressed No Define By ? Components Coordinate System ? Global Coordinate System X Component ? 0. N (ramped) Y Component ? 0. N (ramped) Z Component ? 26880 N (ramped) FIGURE 1 Model (A4) > Static Structural (A5) > Force Solution (A6) TABLE 9 Model (A4) > Static Structural (A5) > Solution Object Name Solution (A6) State Solved Adaptive Mesh Refinement Max Refinement Loops 1. Refinement Depth 2. Information Status Done TABLE 10 Model (A4) > Static Structural (A5) > Solution (A6) > Solution Information Object Name Solution Information State Solved Solution Information Solution Output Solver Output Newton-Raphson Residuals 0 Update Interval 2.5 s Display Points All FE Connection Visibility Activate Visibility Yes Display All FE Connectors Draw Connections Attached To All Nodes Line Color Connection Type Visible on Results No Line Thickness Single Display Type Lines TABLE 11 Model (A4) > Static Structural (A5) > Solution (A6) > Results Object Name Total Deformation Equivalent Elastic Strain Equivalent Stress State Solved Scope Scoping Method Geometry Selection Geometry All Bodies Definition Type Total Deformation Equivalent Elastic Strain Equivalent (von-Mises) Stress By Time Display Time Last Calculate Time History Yes Identifier Suppressed No Results Minimum 0. m 3.8768e-008 m/m 4345.8 Pa Maximum 1.837e-004 m 2.9726e-004 m/m 5.9435e+007 Pa Minimum Value Over Time Minimum 0. m 3.8768e-008 m/m 4345.8 Pa Maximum 0. m 3.8768e-008 m/m 4345.8 Pa Maximum Value Over Time Minimum 1.837e-004 m 2.9726e-004 m/m 5.9435e+007 Pa Maximum 1.837e-004 m 2.9726e-004 m/m 5.9435e+007 Pa Information Time 1. s Load Step 1 Substep 1 Iteration Number 1 Integration Point Results Display Option ? Averaged Average Across Bodies ? No TABLE 12 Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tools Object Name Fatigue Tool State Solved Materials Fatigue Strength Factor (Kf) 0.8 Loading Type Fully Reversed Scale Factor 1. Definition Display Time End Time Options Analysis Type Stress Life Mean Stress Theory None Stress Component Equivalent (Von Mises) Life Units Units Name cycles 1 cycle is equal to 1. cycles FIGURE 2 Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tool FIGURE 3 Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tool TABLE 13 Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tool > Results Object Name Safety Factor Biaxiality Indication State Solved Scope Scoping Method Geometry Selection Geometry All Bodies Definition Design Life 1.e+006 cycles ? Type Safety Factor Biaxiality Indication Identifier Suppressed No Integration Point Results Average Across Bodies No Results Minimum 1.1603 -0.99995 Maximum ? 0.97011 TABLE 14 Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tool > Result Charts Object Name Fatigue Sensitivity State Solved Scope Geometry All Bodies Definition Sensitivity For Life Suppressed No Options Lower Variation 25. % Upper Variation 250. % Number of Fill Points 25 Chart Viewing Style Linear FIGURE 4 Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tool > Fatigue Sensitivity Material Data Structural Steel TABLE 15 Structural Steel > Constants Density 7850 kg m^-3 Coefficient of Thermal Expansion 1.2e-005 C^-1 Specific Heat 434 J kg^-1 C^-1 Thermal Conductivity 60.5 W m^-1 C^-1 Resistivity 1.7e-007 ohm m TABLE 16 Structural Steel > Compressive Ultimate Strength Compressive Ultimate Strength Pa 0 TABLE 17 Structural Steel > Compressive Yield Strength Compressive Yield Strength Pa 2.5e+008 TABLE 18 Structural Steel > Tensile Yield Strength Tensile Yield Strength Pa 2.5e+008 TABLE 19 Structural Steel > Tensile Ultimate Strength Tensile Ultimate Strength Pa 4.6e+008 TABLE 20 Structural Steel > Isotropic Secant Coefficient of Thermal Expansion Reference Temperature C 22 TABLE 21 Structural Steel > Alternating Stress Mean Stress Alternating Stress Pa Cycles Mean Stress Pa 3.999e+009 10 0 2.827e+009 20 0 1.896e+009 50 0 1.413e+009 100 0 1.069e+009 200 0 4.41e+008 2000 0 2.62e+008 10000 0 2.14e+008 20000 0 1.38e+008 1.e+005 0 1.14e+008 2.e+005 0 8.62e+007 1.e+006 0 TABLE 22 Structural Steel > Strain-Life Parameters Strength Coefficient Pa Strength Exponent Ductility Coefficient Ductility Exponent Cyclic Strength Coefficient Pa Cyclic Strain Hardening Exponent 9.2e+008 -0.106 0.213 -0.47 1.e+009 0.2 TABLE 23 Structural Steel > Isotropic Elasticity Temperature C Young's Modulus Pa Poisson's Ratio Bulk Modulus Pa Shear Modulus Pa 2.e+011 0.3 1.6667e+011 7.6923e+010 TABLE 24 Structural Steel > Isotropic Relative Permeability Relative Permeability 10000 Project First Saved Sunday, May 15, 2016 Last Saved Sunday, May 15, 2016 Product Version 15.0.7 Release Save Project Before Solution No Save Project After Solution No Contents · Units · Model (A4) o Geometry § QUDONGQIAOKEGAI o Coordinate Systems o Mesh o Static Structural (A5) § Analysis Settings § Loads § Solution (A6) § Solution Information § Results § Fatigue Tool § Results § Fatigue Sensitivity · Material Data o Structural Steel Units TABLE 1 Unit System Metric (m, kg, N, s, V, A) Degrees rad/s Celsius Angle Degrees Rotational Velocity rad/s Temperature Celsius Model (A4) Geometry TABLE 2 Model (A4) > Geometry Object Name Geometry State Fully Defined Definition Source C:\Users\chanx\Desktop\畢設\song222_files\dp0\SYS\DM\SYS.agdb Type DesignModeler Length Unit Meters Element Control Program Controlled Display Style Body Color Bounding Box Length X 0.265 m Length Y 1.08 m Length Z 0.34 m Properties Volume 9.4652e-003 m3 Mass 74.302 kg Scale Factor Value 1. Statistics Bodies 1 Active Bodies 1 Nodes 9848 Elements 5311 Mesh Metric None Basic Geometry Options Parameters Yes Parameter Key DS Attributes No Named Selections No Material Properties No Advanced Geometry Options Use Associativity Yes Coordinate Systems No Reader Mode Saves Updated File No Use Instances Yes Smart CAD Update No Compare Parts On Update No Attach File Via Temp File Yes Temporary Directory C:\Users\chanx\AppData\Local\Temp Analysis Type 3-D Decompose Disjoint Geometry Yes Enclosure and Symmetry Processing Yes TABLE 3 Model (A4) > Geometry > Parts Object Name QUDONGQIAOKEGAI State Meshed Graphics Properties Visible Yes Transparency 1 Definition Suppressed No Stiffness Behavior Flexible Coordinate System Default Coordinate System Reference Temperature By Environment Material Assignment Structural Steel Nonlinear Effects Yes Thermal Strain Effects Yes Bounding Box Length X 0.265 m Length Y 1.08 m Length Z 0.34 m Properties Volume 9.4652e-003 m3 Mass 74.302 kg Centroid X -7.674e-003 m Centroid Y -2.9654e-006 m Centroid Z -1.2163e-010 m Moment of Inertia Ip1 3.5156 kg·m2 Moment of Inertia Ip2 0.75549 kg·m2 Moment of Inertia Ip3 3.4193 kg·m2 Statistics Nodes 9848 Elements 5311 Mesh Metric None Coordinate Systems TABLE 4 Model (A4) > Coordinate Systems > Coordinate System Object Name Global Coordinate System State Fully Defined Definition Type Cartesian Coordinate System ID 0. Origin Origin X 0. m Origin Y 0. m Origin Z 0. m Directional Vectors X Axis Data [ 1. 0. 0. ] Y Axis Data [ 0. 1. 0. ] Z Axis Data [ 0. 0. 1. ] Mesh TABLE 5 Model (A4) > Mesh Object Name Mesh State Solved Defaults Physics Preference Mechanical Relevance 0 Sizing Use Advanced Size Function Off Relevance Center Coarse Element Size Default Initial Size Seed Active Assembly Smoothing Medium Transition Fast Span Angle Center Coarse Minimum Edge Length 7.5e-004 m Inflation Use Automatic Inflation None Inflation Option Smooth Transition Transition Ratio 0.272 Maximum Layers 5 Growth Rate 1.2 Inflation Algorithm Pre View Advanced Options No Patch Conforming Options Triangle Surface Mesher Program Controlled Patch Independent Options Topology Checking Yes Advanced Number of CPUs for Parallel Part Meshing Program Controlled Shape Checking Standard Mechanical Element Midside Nodes Program Controlled Straight Sided Elements No Number of Retries Default (4) Extra Retries For Assembly Yes Rigid Body Behavior Dimensionally Reduced Mesh Morphing Disabled Defeaturing Pinch Tolerance Please Define Generate Pinch on Refresh No Automatic Mesh Based Defeaturing On Defeaturing Tolerance Default Statistics Nodes 9848 Elements 5311 Mesh Metric None Static Structural (A5) TABLE 6 Model (A4) > Analysis Object Name Static Structural (A5) State Solved Definition Physics Type Structural Analysis Type Static Structural Solver Target Mechanical APDL Options Environment Temperature 22. °C Generate Input Only No TABLE 7 Model (A4) > Static Structural (A5) > Analysis Settings Object Name Analysis Settings State Fully Defined Step Controls Number Of Steps 1. Current Step Number 1. Step End Time 1. s Auto Time Stepping Program Controlled Solver Controls Solver Type Program Controlled Weak Springs Program Controlled Large Deflection Off Inertia Relief Off Restart Controls Generate Restart Points Program Controlled Retain Files After Full Solve No Nonlinear Controls Newton-Raphson Option Program Controlled Force Convergence Program Controlled Moment Convergence Program Controlled Displacement Convergence Program Controlled Rotation Convergence Program Controlled Line Search Program Controlled Stabilization Off Output Controls Stress Yes Strain Yes Nodal Forces No Contact Miscellaneous No General Miscellaneous No Store Results At All Time Points Analysis Data Management Solver Files Directory C:\Users\chanx\Desktop\畢設\song222_files\dp0\SYS\MECH\ Future Analysis None Scratch Solver Files Directory Save MAPDL db No Delete Unneeded Files Yes Nonlinear Solution No Solver Units Active System Solver Unit System mks TABLE 8 Model (A4) > Static Structural (A5) > Loads Object Name Fixed Support Force State Fully Defined Scope Scoping Method Geometry Selection Geometry 2 Faces Definition Type Fixed Support Force Suppressed No Define By ? Components Coordinate System ? Global Coordinate System X Component ? 0. N (ramped) Y Component ? 0. N (ramped) Z Component ? 26880 N (ramped) FIGURE 1 Model (A4) > Static Structural (A5) > Force Solution (A6) TABLE 9 Model (A4) > Static Structural (A5) > Solution Object Name Solution (A6) State Solved Adaptive Mesh Refinement Max Refinement Loops 1. Refinement Depth 2. Information Status Done TABLE 10 Model (A4) > Static Structural (A5) > Solution (A6) > Solution Information Object Name Solution Information State Solved Solution Information Solution Output Solver Output Newton-Raphson Residuals 0 Update Interval 2.5 s Display Points All FE Connection Visibility Activate Visibility Yes Display All FE Connectors Draw Connections Attached To All Nodes Line Color Connection Type Visible on Results No Line Thickness Single Display Type Lines TABLE 11 Model (A4) > Static Structural (A5) > Solution (A6) > Results Object Name Total Deformation Equivalent Elastic Strain Equivalent Stress State Solved Scope Scoping Method Geometry Selection Geometry All Bodies Definition Type Total Deformation Equivalent Elastic Strain Equivalent (von-Mises) Stress By Time Display Time Last Calculate Time History Yes Identifier Suppressed No Results Minimum 0. m 3.8768e-008 m/m 4345.8 Pa Maximum 1.837e-004 m 2.9726e-004 m/m 5.9435e+007 Pa Minimum Value Over Time Minimum 0. m 3.8768e-008 m/m 4345.8 Pa Maximum 0. m 3.8768e-008 m/m 4345.8 Pa Maximum Value Over Time Minimum 1.837e-004 m 2.9726e-004 m/m 5.9435e+007 Pa Maximum 1.837e-004 m 2.9726e-004 m/m 5.9435e+007 Pa Information Time 1. s Load Step 1 Substep 1 Iteration Number 1 Integration Point Results Display Option ? Averaged Average Across Bodies ? No TABLE 12 Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tools Object Name Fatigue Tool State Solved Materials Fatigue Strength Factor (Kf) 0.8 Loading Type Fully Reversed Scale Factor 1. Definition Display Time End Time Options Analysis Type Stress Life Mean Stress Theory None Stress Component Equivalent (Von Mises) Life Units Units Name cycles 1 cycle is equal to 1. cycles FIGURE 2 Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tool FIGURE 3 Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tool TABLE 13 Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tool > Results Object Name Safety Factor Biaxiality Indication State Solved Scope Scoping Method Geometry Selection Geometry All Bodies Definition Design Life 1.e+006 cycles ? Type Safety Factor Biaxiality Indication Identifier Suppressed No Integration Point Results Average Across Bodies No Results Minimum 1.1603 -0.99995 Maximum ? 0.97011 TABLE 14 Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tool > Result Charts Object Name Fatigue Sensitivity State Solved Scope Geometry All Bodies Definition Sensitivity For Life Suppressed No Options Lower Variation 25. % Upper Variation 250. % Number of Fill Points 25 Chart Viewing Style Linear FIGURE 4 Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tool > Fatigue Sensitivity Material Data Structural Steel TABLE 15 Structural Steel > Constants Density 7850 kg m^-3 Coefficient of Thermal Expansion 1.2e-005 C^-1 Specific Heat 434 J kg^-1 C^-1 Thermal Conductivity 60.5 W m^-1 C^-1 Resistivity 1.7e-007 ohm m TABLE 16 Structural Steel > Compressive Ultimate Strength Compressive Ultimate Strength Pa 0 TABLE 17 Structural Steel > Compressive Yield Strength Compressive Yield Strength Pa 2.5e+008 TABLE 18 Structural Steel > Tensile Yield Strength Tensile Yield Strength Pa 2.5e+008 TABLE 19 Structural Steel > Tensile Ultimate Strength Tensile Ultimate Strength Pa 4.6e+008 TABLE 20 Structural Steel > Isotropic Secant Coefficient of Thermal Expansion Reference Temperature C 22 TABLE 21 Structural Steel > Alternating Stress Mean Stress Alternating Stress Pa Cycles Mean Stress Pa 3.999e+009 10 0 2.827e+009 20 0 1.896e+009 50 0 1.413e+009 100 0 1.069e+009 200 0 4.41e+008 2000 0 2.62e+008 10000 0 2.14e+008 20000 0 1.38e+008 1.e+005 0 1.14e+008 2.e+005 0 8.62e+007 1.e+006 0 TABLE 22 Structural Steel > Strain-Life Parameters Strength Coefficient Pa Strength Exponent Ductility Coefficient Ductility Exponent Cyclic Strength Coefficient Pa Cyclic Strain Hardening Exponent 9.2e+008 -0.106 0.213 -0.47 1.e+009 0.2 TABLE 23 Structural Steel > Isotropic Elasticity Temperature C Young's Modulus Pa Poisson's Ratio Bulk Modulus Pa Shear Modulus Pa 2.e+011 0.3 1.6667e+011 7.6923e+010 TABLE 24 Structural Steel > Isotropic Relative Permeability Relative Permeability 10000