参考说明msc.patran courses课程

1、SECTION 1OVERVIEW COURSE OBJECTIVESLearn the basic functionalities in Patran through lectures and case studiesLearn to build finite element models (pre-processing)Learn to evaluate analysis results (post-processing) e familiar with using Patran to solve engineering problems through hands-on training

2、Students will work through a number of workshop problems in class with assistance from the instructorSimple workshop problems designed to introduce basic conceptsReal-world workshop problems designed to lead the students through engineering problems from beginning to endWHAT IS Patran?Patran is a CA

3、E pre- and post-processing software package. It consists of the following major components:User-Friendly Graphical User InterfacePowerful Geometry Import, Export, and CreationRobust Meshing AlgorithmsFast Results Visualization and ReportingExtensive Analysis Code PreferencesWORKFLOW IN PatranThe Mai

4、n Menu2 - Import Geometry1 - Select Analysis Code2 - or Build Geometry 3 CreateAnalysis Model 5 - Evaluate and Publish Analysis Results 4 - Perform the Analysis WORKFLOW IN Patran (Cont.)The following case study demonstrates how Patran is used in a typical engineering applicationCASE STUDY: ENGINE P

5、ISTON HEADThe design team has created a preliminary engine design. Determine if the piston head has been designed properly to withstand the pressure loading. CASE STUDY: ENGINE PISTON HEADDesign SpecificationsMaterial: SteelE = 30 x 106 psin = 0.3Operating pressure = 1200 psi 1200 psiSTEP 1 - CREATE

6、 DB AND SET ANALYSIS PREFERENCEPatran can interface with many analysis codesSelect Nastran and Structural Analysis for this case studySTEP 2 - IMPORT OR BUILD GEOMETRYThe user can import or build geometry in Patran:Import geometry models from CAD systems:CATIAI-DEASPro/ENGINEERUnigraphicsImport geom

7、etry models in standard formats:Parasolid xmtACISIGESSTEPBuild the geometry model in PatranSTEP 2 - IMPORT OR BUILD GEOMETRY (Cont.)For this case study, the piston head geometry model is available as a parasolid xmt fileImport this model directly into PatranSTEP 2 - IMPORT OR BUILD GEOMETRY (Cont.)I

8、mport the piston head geometry.STEP 2 - IMPORT OR BUILD GEOMETRY (Cont.)The piston head geometry is importedSTEP 3 - CREATE ANALYSIS MODELNext, create the analysis modelCreate a finite element meshApply boundary conditionApply loadingCreate material propertiesCreate element propertiesSTEP 3 - CREATE

9、 ANALYSIS MODEL (Cont.)Create the finite element mesh.STEP 3 - CREATE ANALYSIS MODEL (Cont.)Constrain the two cylindrical holes at the piston-pin interface.Apply 1200 psi to the top surface.STEP 3 - CREATE ANALYSIS MODEL (Cont.)Define a material property for the piston head.STEP 3 - CREATE ANALYSIS

10、MODEL (Cont.)Create an element property for the piston head.STEP 3 - CREATE ANALYSIS MODEL (Cont.)STEP 4 - PERFORM THE ANALYSISSubmit the model to Nastran for a linear static analysis.STEP 5 - EVALUATE ANALYSIS RESULTSRead the analysis results into Patran.STEP 5 - EVALUATE ANALYSIS RESULTS (Cont.)Pl

11、ot displacements and stresses.Publish a stress summary report.STEP 5 - EVALUATE ANALYSIS RESULTS (Cont.)Create static, animated, and vrml images for reports and presentations. STEP 5 - EVALUATE ANALYSIS RESULTS (Cont.)PatranPre-Processing Import/create geometry Create finite element mesh Apply bound

12、ary condition Apply loads Create material properties Create element properties Submit model to solverPost-Processing Deformation plots Stress fringe plots ReportsSUMMARY OF Patran WORKFLOWSolver Solve for displacements Compute strains Compute stresses, etc.(e.g. Nastran)COMPANY OVERVIEWThe MSC.Softw

13、are Corporation has been supplying sophisticated computer-aided engineering (CAE) tools since 1963MSC.Software is the developer, distributor, and supporter of the most complete and widely-used structural analysis program in the world, NastranMSC.Software is also the developer, distributor, and suppo

14、rter of the state of the art CAE analysis program, PatranPatran is an open architecture pre- and post-processor for all major finite element analysis (FEA) software, including Nastran and MarcMSC U.S. Client SupportWith corporate headquarters in Santa Ana, California, MSC.Software maintains regional

15、 sales and support offices nationwide.The MSC.Software technical support hotline (1- ) is staffed Monday through Friday 7:00 a.m. to 3:00 p.m. PSTEmail support for Patran is through Fax number is (714) 784-4056Website support at MSC Worldwide Client SupportMSC.Software also maintains offices worldwi

16、deIf appropriate, your course instructor will explain how to contact your local officeThis information is also available in the Nastran and Patran release guidesWHERE TO GET TRAININGContact the MSC Institute at 1- The following Patran classes are offeredPAT301 - Introduction to Patran PAT302 Patran for Advanced Users PAT304 - Introduction to Patran Command Language (PCL) PAT312 - Thermal analysis using Patran ThermalPAT318 - Durability and fatigue life ana