ANSYSWorkbench基础教程

1、1-1ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593workbench - mechanical introduction 12.0chapter 1introductionintroduction1-2ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manualwelcome! welcome

2、 to the ansys mechanical application introductory training course! this training course covers the basics of using ansys mechanical in performing structural and thermal analyses. it is intended for all new or occasional ansys mechanical users, regardless of the cad software used. course objectives:

3、general understanding of the user interface, as related to geometry import, meshing, application of loads and supports, and postprocessing procedure for performing fea simulations, including linear static, modal, and harmonic structural analyses and nonlinear steady-state thermal analyses utilizing

4、parameters for what-if scenarios interfacing with the ansys solver for more advanced functionality training courses are also available covering the use of other workbench modules (e.g. designmodeler, design exploration, etc.) .introduction1-3ansys, inc. proprietary 2009 ansys, inc. all rights reserv

5、ed.february 23, 2009inventory #002593training manualagenda (day 1)9:00 10:00lecture introduction10:00 11:30lecture chapter 2: mechanical basics11:30 12:00workshop 2.1 ansys mechanical basics12:00 1:00lunch1:00 1:45lecture chapter 3: general preprocessing1:45 2:15workshop 3.1 contact control 2:15 3:1

6、5lecture chapter 3: general preprocessing (cont.)3:15 3:45workshop 3.2 meshing control 3:45 5:00lecture chapter 4: static structural analysisintroduction1-4ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manualagenda (day 2)9:00 9:30workshop 4.

7、1 linear structural analysis9:30 10:00lecture chapter 4: static structural analysis10:00 10:30workshop 4.2 2d structural analysis10:30 11:00lecture chapter 5: vibration analysis11:00 11:15workshop 5.1 free vibration analysis 11:15 11:30workshop 5.2 pre-stressed vibration analysis 11:30 12:00lecture

8、chapter 6: thermal analysis12:00 1:00lunch1:00 1:30workshop 6.1 steady state thermal analysis 1:30 2:00lecture chapter 7: linear buckling analysis2:00 2:30workshop 7.1 linear buckling analysis2:30 3:30lecture chapter 8: results post-processing3:30 4:00workshop 8.1 results processing 4:00 4:30lecture

9、 chapter 9: cad & parameters4:30 5:00workshop 9.1 parameter management introduction1-5ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manualcourse materialsthe training manual you have is an exact copy of the slides.workshop descriptions and in

10、structions are included in the workshop supplement.copies of the workshop files are available on the ansys customer portal ().advanced training courses are available on specific topics. schedule available on the ansys web page http:/ under “solutions services and support training services”.contents:

11、a. about ansys inc.b. ansys workbench overviewc. ansys mechanical overviewd. starting mechanicale. the workbench environmentf. workbench file managementg. working with unitsh. license preferencesintroduction1-6ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #0

12、02593training manuala. about ansys, inc.ansys, inc. developer of ansys family of products global headquarters in canonsburg, pa - usa (south of pittsburgh) development and sales offices in u.s. and around the world publicly traded on nasdaq stock exchange under “anss” for additional company informat

13、ion as well as descriptions and schedules for other training courses visit introduction1-7ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manual ansys family of productsansys, inc. family of products include the following:ansys workbench comple

14、te environment for simulation and modeling needs. ansys cfd state-of-the-art cfd solvers, including cfx and fluent. ansys autodyn explicit dynamic solver for transient non-linear simulations involving large deformations and strains, non-linear material behavior, non-linear buckling, complex contact,

15、 fragmentation, and shock wave propagation. ansys ls-dyna lstcs ls-dyna explicit dynamic solver technology with the pre-/post-processing power of ansys software. this powerful pairing can be used to simulate crash tests, metal forging, stamping, and catastrophic failures. ansys icem cfd powerful mes

16、hing tools with general pre- and post-processing features.introduction1-8ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manualb. ansys workbench overview what is ansys workbench? ansys workbench provides powerful methods for interacting with t

17、he ansys family of solvers. this environment provides a unique integration with cad systems, and your design process. ansys workbench is comprised of various applications (some examples): mechanical for performing structural and thermal analyses using the ansys solver meshing is also included within

18、 the mechanical application mechanical apdl for performing advanced mechanical and multiphysics analyses using the traditional ansys user interface. fluid flow (cfx) for performing cfd analyses using cfx fluid flow (fluent) for performing cfd analyses using fluent geometry (designmodeler) for creati

19、ng and modifying cad geometry to prepare the solid model for use in mechanical. engineering data for defining material properties meshing application for generating cfd and explicit dynamics meshes design exploration for optimization analyses finite element modeler (fe modeler) for translating a nas

20、tran and abaqus mesh for use in ansys bladegen (blade geometry) for creating blade geometry explicit dynamics for explicit dynamics simulations featuring modeling of nonlinear dynamicsintroduction1-9ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593traini

21、ng manual ansys workbench overview the workbench environment supports two types of applications: native applications (workspaces): current native applications are project schematic, engineering data and design exploration. native applications are launched and run entirely in the workbench window. da

22、ta integrated applications: current applications include mechanical, mechanical apdl, fluent, cfx, autodyn and others.native applicationdata integrated applicationintroduction1-10ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manualc. ansys me

23、chanical overview analysis types available in mechanical: structural (static and transient): linear and nonlinear structural analyses. dynamic capabilities: modal, harmonic, random vibration, flexible and rigid dynamics. heat transfer (steady state and transient): solve for temperature field and hea

24、t flux. temperature-dependent conductivity, convection and materials allowed. magnetostatic: to perform 3-d static magnetic field analysis shape optimization: indicates areas of possible volume reduction using topological optimization technology. note, the active ansys license dictates what function

25、ality is available to the user. not all features listed are covered in this introductory course.introduction1-11ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manual product configuration mechanical application the environment for simulation a

26、utomation and ease of use combined with the full power of the ansys solver technology. formerly called simulation mechanical apdl application the user interface environment that emphasizes access to commands, customization and scripting. formerly called the ansys prep7/post1 interfaceintroduction1-1

27、2ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manual product configuration types of licenses available for mechanical: various ansys licensing configurations are available. the license chosen will dictate what features and capabilities are a

28、vailable in the mechanical application. license management allows license sharing when multiple instances of a particular application are open. (other ansys licenses are supported for meshing only)introduction1-13ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory

29、 #002593training manual product configuration add-on licenses for mechanical: rigid and flexible dynamics (one add-on license) fatigue module 12.0 workbench products are available for windows and linux operating systems. note, linux will be supported starting at the 12.1 release check the ansys web

30、site or online documentation for the latest compatibilities. network licensing capabilities are used for all ansys and ansys workbench products.introduction1-14ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manuald. starting mechanical there a

31、re two methods of launching workbench: from the windows start menu: from the cad systemintroduction1-15ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manuale. the workbench environment for most situations the workbench gui is divided into 2 pr

32、imary sections (there are other optional sections well see in a moment):the toolboxthe project schematicintroduction1-16ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manualthe toolbox the toolbox contains 4 subgroups: analysis systems: predef

33、ined templates that can be placed in the schematic. component systems: various applications that can be accessed to build, or expand, analysis systems. custom systems: predefined analysis systems for coupled applications (fsi, thermal-stress, etc.). users can also create their own predefined systems

34、. design exploration: parametric management and optimization tools.introduction1-17ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manual. . . the toolbox the systems and components displayed in the toolbox will depend on the installed products

35、. using the check boxes in the “view all / customize” window, the items displayed in the toolbox can be toggled on or off. the toolbox customization window is normally left closed when not in use.introduction1-18ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory

36、#002593training manualthe project schematic the workbench project schematic is a graphical representation of the workflow defining a system or group of systems. the workflow in the project schematic is always left to right. there are currently several applications which are native to workbench, mean

37、ing they run entirely in the workbench window: project schematic, engineering data and design exploration non-native applications (called data-integrated) run in their own window: mechanical (formerly simulation), mechanical apdl (formerly ansys), ansys fluent, ansys cfx, etc . . . blocks of cells c

38、an be deleted by rmb on the block header cell that is shaded in blue.introduction1-19ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manual. . . the project schematic in this example a static structural analysis type is selected for the project

39、 schematic. from the toolbox the selection can be dragged and dropped onto the schematic or simply double clicked.introduction1-20ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manual. . . the project schematic by dropping applications and/or

40、systems into various locations in the schematic, an overall analysis project is defined. “connectors” indicate the level of collaboration between systems. in the example below a structural system is dragged and dropped onto a thermal system at the model cell (a4). before completing the operation not

41、ice there are a number of optional “drop targets” that will provide various types of linkage between systems (continued next page).introduction1-21ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manual. . . the project schematic by completing t

42、he operation from the previous page, notice the linkage here is only at the model level and above. in this case there would be no thermal/structural coupling. notice too each system block is given and alphabetic designation (a, b, c, etc.).introduction1-22ansys, inc. proprietary 2009 ansys, inc. all

43、 rights reserved.february 23, 2009inventory #002593training manual. . . the project schematic by dropping the structural system at the “solution” level we obtain a structural system that is coupled to the thermal solution.notice, the candidate “drop target” indicates data will be shared from fields

44、a2 to a4, and transferred from a6.introduction1-23ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manual. . . the project schematic a schematic can also be constructed by rmb and choosing to “transfer data to new” or “transfer data from new”. i

45、n using this rmb transfer feature all transfer possibilities (upstream and downstream) are displayed. these selections will vary depending on which cell in a particular system you highlight.introduction1-24ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #00259

46、3training manual. . . the project schematic identifying cell states: unfulfilled: missing upstream data. attention required: may need to correct this or upstream cells. refresh required: upstream data has changed. need to refresh cell (update will also refresh the cell). update required: the data ha

47、s changed and the output of the cell must be regenerated. up to date. input changes pending: cell is locally up to date but may change when the next update is performed due to upstream changes.introduction1-25ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #00

48、2593training manualoptional workbench windows the “view” menu (and rmb) allows additional information to be displayed in the workbench environment. below, the geometry is highlighted and the properties are displayed.introduction1-26ansys, inc. proprietary 2009 ansys, inc. all rights reserved.februar

49、y 23, 2009inventory #002593training manualf. workbench file management workbench creates a project file and a series of subdirectories to manage all associated files. users should allow workbench to manage the content of these directories. please do not manually modify the content or structure of th

50、e project directories. when a project is saved a project file is created (.wbpj), using the user specified file name (e.g. myfile.wbpj). a project directory will be created using the project name. in the above example the directory would be myfile_files. a number of subdirectories will be created in

51、 the project directory (explained next).introduction1-27ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manual. . . workbench file management directory structure: dpn: this is the design point directory. this essentially is the state of all par

52、ameters for a particular analysis. in the case of a single analysis there will be only one “dp0” directory. global: contains subdirectories for each application in the analysis. in the example at right the “mech” directory will contain the database, and other associated files from the mechanical app

53、lication. sys: the “sys” directory will contain subdirectories for each system type in the project (e.g. mechanical, fluent, cfx, etc.). each system subdirectory contains solver specific files. for example the mech subdirectory would contain the results file, the ds.dat file, solve.out file and so o

54、n. user_files: contains input files, user macro files etc. that may be associated with a project.introduction1-28ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manual. . . workbench file management from the workbench “view” menu activate the “

55、files” option to display a window containing file details and locations.introduction1-29ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manual. . . workbench file management archive: quickly generates a single compressed file containing all per

56、tinent files. file is zip format and can be opened using the “restore archive . . . ” utility in wb2 or any unzip program. several options are available when archiving systems as shown here.introduction1-30ansys, inc. proprietary 2009 ansys, inc. all rights reserved.february 23, 2009inventory #002593training manualg. working with units the units menu in workbench: allows access to pre