MSC.Marc 2013.1理论手册
MSC.MARC是功能齐全的高级非线性有限元软件，具有极强的结构分析能力。可以处理各种线性和非线性结构分析包括：线性/非线性静力分析、模态分析、简谐响应分析、频谱分析、随机振动分析、动力响应分析、自动的静/动力接触、屈曲/失稳、失效和破坏分析等ContentsMarc Volume A: Theory and User InformationrefaceAbout this manual■■■■20Purpose of volume A20Contents of volume a20How to Use this manual211 The Marc SystemMarc Programs............■■23Marc for Analysis23Mentat or patran for gul24Structure of marc24Procedure Library24Material Library24Element Library25Program Function Library25Features and benefits of marc252 Program InitiationMarc Host Systems27Workspace Requirements27Marc Workspace Requirements27File Units30Program Initiation.........32Examples of running marc Jobs■■■■■344 Marc Volume A: Theory and User Information3 Data EntryInput Conventions38Input of List of Items39Examples of lists41Table Driven Input■■41Table Input42Parameters46Model Definition Options46History Definition Options46REZONE Option474 Introduction to mesh definitionDirect Input49Element Connectivity Data49Nodal coordinate data53Activate/Deactivate54User Subroutine Input54MESH2D54Block definition54Merging of Nodes54Block Types55Symmetry, Weighting, and Constraints57Additional Options58Mentat58FXORD Option59Major classes of the fXoRD Option59Recommendations on Use of the FXORD Option63Incremental mesh generators■■■■■63Bandwidth Optimization64Rezoning.....64Substructure65Technical Background66Scaling Element Stiffness67Contents 5BEAM SECT Parameter■■■68Orientation of the Section in Space68Definition of the section68Error Analysis74ocal AdaptivityNumber of Elements Created7474Boundary Conditions75Location of new nodes76Adaptive Criteria77Automatic Global remeshing80Remeshing criteria84Remeshing TechniquesPatran Tetrahedral mesher885 Structural Procedure LibraryLinear Analysis99Accuracy100Error estimates100Adaptive meshing101Fourier Analysis101Nonlinear Analysis104Geometric nonlinearities108Eulerian FormulationArbitrary Eulerian-Lagrangian(AEL) Formulation118Nonlinear Boundary Conditions118Buckling Analysis120Perturbation Analysis121Computational Procedures for Elastic-Plastic Analysis126Creep138Viscoelasticity142Viscoplasticity143Fracture Mechanics144Linear fracture mechanics144Nonlinear fracture mechanics147Numerical Evaluation of the J-integral148Numerical Evaluation of the Energy Release Rate with the VCCT Method150Automatic Crack PropagationDynamic Fracture Methodology1626 Marc Volume A: Theory and User InformationDynamic crack Propagation..162Crack Initiation163Mesh Splitting165Mesh Splitting Along Edges or Faces165Mesh Cutting167Dynamics...168Modal(Eigenvalue) Analysis.168Harmonic Response172Spectrum Response75Transient Analysis179Inertia relief191Rigid Body Mode Evaluation.191Rigid-Plastic Flow195Steady State Analysis95Transient Analysis196Technical background..196Superplasticity197Soil Analysis199Technical formulation200Mechanical Wear.,,,,,,,,203Design Sensitivity Analysis........■■205Theoretical considerations207Design Optimization208Approximation of Response Functions Over the Design Space..209Improvement of the Approximation211The Optimization algorithmMarc User Interface for Sensitivity Analysis and Optimization212Define Initial State with Results from a Previous Analysis215Pre state215Model sections217Steady State Rolling Analysis219Kinematics219lnetⅰaE仟fect...221Rolling Contact221Steady state rolling with marc221ContentsStructural Zooming Analysis.222Element Types Supported223Uncoupled Thermal Stress Analysis223Cure-Thermal-Mechanically Coupled Analysis224Cure Kinetics225Cure Shrinkage Strain228References,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,2296 Nonstructural Procedure LibraryHeat Transfer234Thermal Contact235Convergence Controls235Steady state Analysis236Transient Analysisemperature Effects238Initial Conditions239Boundary Conditions239Surface Energy243Thermochemical Ablation and Surface Energy Balance244Mathematical Presentation244Mechanical Erosion251Mechanical Erosion by Other Actions251pyrolySis251Coking255Monitoring Thermal Degradation258Presentation of the Energy Equation260Ablation262Welding27Radiation278Conrad Gap292Channel293Output294Diffusion295Technical Background296Hydrodynamic Bearing300Technical Background3028 Marc Volume A: Theory and User InformationElectrostatic Analysis304Technical Background305Magnetostatic Analysis308Technical background..309Magnetodynamic Analysis∴∴320Technical Background322Piezoelectric Analysis325Technical Background326Strain Based Piezoelectric Coupling..328Acoustic Analysis328Rigid Cavity Acoustic Analysis328Technical Background329Fluid mechanics330Finite element formulation333Penalty Method335Steady State Analysis336Transient Analysis336Solid Analysis336Solution of Coupled Problems in Fluids..336Degrees of Freedom337Element Types.337Coupled Analyses∴..■量■画■■■,,,,,,,,339Thermal Mechanically Coupled Analysis341Coupled Acoustic-Structural AnalysisFluid/Solid Interaction- Added Mass Approach342346Coupled Electrostatic-Structural Analysis348Coupled Magnetostatic-Structural Analysis350Coupled Thermal-Electrical Analysis (Joule Heating)352Coupled Electrical-Thermal-Mechanical Analysis355Coupled Magnetostatic-Thermal Analysis357Coupled Magnetodynamic-Thermal Analysis358Coupled Magnetodynamic-Thermal-Structural Analysis..359References∴,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,362Contents 97 Material LibraryLinear Elastic Material365Composite Material ......367Layered Materials368Classical Lamination Theory for Multi-Layered Shells371Material Preferred direction372Material Dependent Failure Criteria376Interlaminar Shear for Thick Shell, Beam, Solid shell, and 3-d Composite brick elements394Interlaminar Stresses for continuum composite elements397Progressive Composite Failure397Mixture model399Gasket403Constitutive model403Nonlinear Hypoelastic Material407Thermo-Mechanical Shape Memory Model422Transformation Induced deformation424Constitutive Theory425Phase Transformation strains425Experimental Data Fitting for Thermo-mechanical Shape Memory Alloy427Mechanical Shape Memory Model431Conversion from Thermo-Mechanical to Mechanical SMA oyExperimental Data Fitting for Mechanical Shape Memory alle434435Elastomer436Updated Lagrange formulation for nonlinear elasticity455Time-independent Inelastic Behavior456Yield Conditions458Mohr-Coulomb Material(Hydrostatic Stress Dependence)464Buyukozturk Criterion(Hydrostatic Stress Dependence)465Powder material465Obtaining Crush Curve and Shear Failure Parameters by Curve Fitting in Marc475Work or strain hardening.....,,,479Flow rule485Constitutive Relations486Time-independent Cyclic Plasticity489Time-dependent Inelastic Behavior492Creep(Maxwell Model)翻495Oak Ridge National Laboratory Laws50010 Marc Volume A: Theory and User InformationSwelling.501Viscoplasticity502Time-dependent Cyclic Plasticity502Anand solder model504Viscoelastic Material505Bergstrom-Boyce Model516Narayanaswamy Model518Frequency-dependent Material Behavior522Viscoelastic Material Behavior in the Frequency Domain522Thermo-Rheologically Simple Material Behavior in the Frequency Domain538Deformation Dependent Relaxation in the Frequency Domain539Harmonic Equations of motion541Performing viscoelastic Analysis in the Frequency Domain543Temperature Effects and Coefficient of Thermal Expansion,546Piecewise Linear Representation547Temperature-Dependent Creep548Coefficient of Thermal Expansion549Time-Temperature-Transformation549Low Tension Material552Uniaxial Cracking Data552LoW Tension Cracking552Tension Softening552Crack Closure553Crushing553Analysis554Soil model554Elastic Models554Cam-Clay Model555Evaluation of soil parameters for the critical state soil model557Damage Models565Ductile metals565Elastomers568Cohesive Zone Modeling570Nonstructural materials578Heat transfer analysis579Piezoelectric Analysis579Thermo-Electrical Analysis579Coupled Electrical-Thermal-Mechanical Analysis579Hydrodynamic Bearing AnalysisFluid/ Solid Interaction Analysis- Added Mass approach579.579
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TMS320C6678开发板历程
TMS320C6678开发板历程,内含CCS5.3软件使用入门广州创龙电子刑技有限公司Guangzhou Tron ong Electronic Technology co, LtdTron添加基于的软件中断(有条件触发)例程添加基于的软件中断(有条件触发)例程。添加基于的软件中断(无条件触发)例程基于裸机的输出(灯)例程。基于裸机的输入(按键中断)例程基于裸机的串口査询收发例程添加基于平台库的总线测试例程。添加基于平台库的风扇控制例程。添加基于平台库的按键状态查询例程。添加基于平台库的灯控制例程。添加基于平台库的总线读写例程。添加基于平台库的总线温度传感器例程添加基于平台库的内存读写例程。添加基于平台库的总线测试例程。添加基于平台库的串口查询收发例程。添加不使用操作系统工程模板。添加基于操作系统(是依赖的平台组件)工程模板。广州创龙电子刑技有限公司Guangzhou Tron ong Electronic Technology co, LtdTron目广州创龙电子刑技有限公司Guangzhou Tron ong Electronic Technology co, LtdTron目录基于仿真器的程序加载与烧写查看仿真器是否安装成功设置工程配置文件信息加载文件连接开发板加载程序镜像文件烧写程序到工程新建、编译和导入裸机工程新建新建工程编写程序编详和运行程序工程新建新建平台新建工程工程导入和编译步骤开启多线程编译算法例程演示-有限长单位冲激响应滤波器无限脉冲响应数字滤波器—快速傅甲叶变换逆变换图像离散余弦变换图像转灰度边缘检测灰度图像直方图灰度图像二值化图像旋转广州创龙电子刑技有限公司Guangzhou Tron ong Electronic Technology co, LtdTron图像缩放图像反色直方图均衡化灰度图像线性变换一数学函数库一矩阵运算基于的例程演示时钟任务抢占式多任务一静态创建任务定时器(通用)定时器(专用)定时器(动态创建)硬件中断(设备专用组件)硬件中断(挂钩函数)硬件中断(中断嵌套)硬件中断()硬件中卷(发布软件中断)硬件中断(铀发任务)内存分配软件中断(静态配置)一软件中断()一软件中断(有条件触发软件中断(有条件触发钦件中断(无条件触发)裸机开发例程演示输出(灯)广州创龙电子刑技有限公司Guangzhou Tron ong Electronic Technology co, LtdTron输入(按键中断)串口查询收发基于平台库例程演示总线测试一风扇控制按键状态耷询灯控制总线读写6.6总线温度传感器测试内存读写测试总线测试6.9串口查询收发工程模板7.1不使用操作系统使用 SYSBIO0S操作系统附录广州创龙电子刑技有限公司Guangzhou Tron ong Electronic Technology co, LtdTron备注●如实验无特别说明,默认都是使用作为调试串口●如实验无特别说明,表示广州创龙系列(包含)开发板均攴持对应实验,厂州创龙系列开发板共用此用户手册,由于各个开发板之问的硬件资源在差异,因此有部分实验需要在特定的开发板上完成。基于仿真器的程序加载与烧写11查看仿真器是否安装成功如下的廾发,均以仿真器为例。开发板断电,连接好仿真器和开发板,并将仿真器的口捕进电脑插槽,开发板上电。冇击计算机图标,点击“设备通用串行总线控制器”或者“设备端口”,查看是否有对应的仿真器的选项出现,如有说明仿真器驱动已经正常安装,否则请先正确安装设备管理器文件(操作(A)查看帮(H伞中回国|区回bWSD打印提头程同便携设备围传器磁动器p打印队列满口COM和LPg XDW XDS2xox Uscr CDC Scrial Port(COM15监视人体学输入设备声合。视礼游空制聶邑图广州创龙电子刑技有限公司Guangzhou Tron ong Electronic Technology co, LtdTron集成开发环境自带及系列仿真器驱动。如果仿真器无法正常使用,请检查是否存在驱动冲突,系列仿真器使用芯片,请检查是否与已经安装使用的转串口驱动冲突,如使用仿真器,请检查计算机中是否正确安裝转串口驱动或者尝试重新装计算机主板芯片组驱动12设置工程配置文件信息请先按照相关软件安装文档安装然后打开集成开发环境,点击菜单,如下图所示:File Edit View Mavigate Project Run ScriptsWindow HelpNewAHt+ShH+Np會 CCs Pro ectCluseCurl+W3Suurte FieClose allCtrl+Shift+wh Header FleCSaveCtrl+cOClassT Hile from TemplateSave All匚tr- shift+S9 DS2/BICS V5.x Configuration File盛 RTSC Ccntiguraticn FilcC OtherCtrl-Ne Refresh图在弹出的界面中输入工程配置文件名字,然后点击如下图所示广州创龙电子刑技有限公司Guangzhou Tron ong Electronic Technology co, LtdTronN New Target ConfigurationI arget Configurati。nCreate a new Target Configuration fileFile name: New TargetConfigurationccxml回 Use shared locationLocation: C /Users/asus/ti CCSTargetConfigurations File System. V/crks pace.上Fh[ca图在弹出的对话框的下拉框中选择对应的仿真器类型(如使用仿真器请选择下拉框中选择对应的型号,如下图所示:Advanced SetupThis =action descrihes th= general config ration ah
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