PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-1 Section 3 MSC.Patran General Preference. - презентация

1 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-1 Section 3 MSC.Patran General Preference

2 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-2 Marc Preference Dytran Preference ABAQUS Preference Patran Thermal Preference Enhancement Overview

3 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-3 9 th Release since Acquisition of Marc MSC.Patran 2000 r2 Deformable contact / contact table MSC.Patran 2001 Load Step capable MSC.Patran 2001 r2/r3 Rigid Geometry Contact / Direct Result Access MSC.Patran 2003 r1/r2 Cyclic Symmetry / Thermal Radiation / Axi-to-3D / SPF Contact improvements / Coupled Analysis / etc. / etc. Marc Preference Overview

4 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-4 9 th Release since Acquisition of Marc MSC.Patran 2004 Thermal Contact / RBE Support / etc. MSC.Patran 2004 r2 & 2005 Highlights in this presentation Marc Preference Overview (cont.)

5 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-5 Continued Support of all Analysis Capabilities for Structural Thermal Thermo-mechanically Coupled Goals – MSC.Marc Preference Goals

6 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-6 New in Marc Preference Animation (Quick Plot) Improvements Result Access Improvements Element Nodal Results ( nodes, elements) Animation (Quick Plot) Improvements Result Access Improvements Element Nodal Results ( nodes, elements) Access TimeAnimation Time Version sec.> 35 minutes Version 2004r2 Version sec.64 sec. total

7 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-7 New in Marc Preference RBE2/RBE3 TYING 69 For bolt / rivet pre-tensioning TYING 85, 86, 87 For heat transfer RBE2/RBE3 TYING 69 For bolt / rivet pre-tensioning TYING 85, 86, 87 For heat transfer

8 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-8 New in Marc Preference New MSC.Marc Material Models User Subroutines ANKOND, ORIENT, ANELAS, CRPLW, UFAIL HYPLA (Hypoelastic), ANEXP, UGRAIN, UELASTOMER Up to three (3) Failure Criteria (FAIL DATA) Shape Memory Viscoelastic (SHIFT FUNCTION) New MSC.Marc Material Models User Subroutines ANKOND, ORIENT, ANELAS, CRPLW, UFAIL HYPLA (Hypoelastic), ANEXP, UGRAIN, UELASTOMER Up to three (3) Failure Criteria (FAIL DATA) Shape Memory Viscoelastic (SHIFT FUNCTION)

9 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-9 New in Marc Preference New MSC.Marc Material Models (cont.) Latent Heats Damage Cracking (CRACK DATA) Forming Limit Grain Size Soil Powder New MSC.Marc Material Models (cont.) Latent Heats Damage Cracking (CRACK DATA) Forming Limit Grain Size Soil Powder

10 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-10 New in Marc Preference New MSC.Marc Material Models (cont.) Elastic-Plastic Hardening Chaboche Viscoplastic (UVSCPL) Elastic-Plastic Yield Hill Barlat Slope data for hardening* New MSC.Marc Material Models (cont.) Elastic-Plastic Hardening Chaboche Viscoplastic (UVSCPL) Elastic-Plastic Yield Hill Barlat Slope data for hardening* * Floating item for MSC.Patran 2005 release

11 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-11 New in Marc Preference Table Support Material data Loads and BCs * Contact properties and motion * User Subroutines MOTION, UGROWRIGID, UFRIC, UCONTACT UHTCOE, UHTCON, SEPFOR, SEPSTR WRKSLP, CRPLAW, CRPVIS, UTRANS, USDATA, IMPD, ELEVAR, ELEVEC, UFORMS Table Support Material data Loads and BCs * Contact properties and motion * User Subroutines MOTION, UGROWRIGID, UFRIC, UCONTACT UHTCOE, UHTCON, SEPFOR, SEPSTR WRKSLP, CRPLAW, CRPVIS, UTRANS, USDATA, IMPD, ELEVAR, ELEVEC, UFORMS * Floating item for MSC.Patran 2005 release

12 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-12 New in Marc Preference 1D Pressures Planar Beams Axisymmetric Shells CID Distributed Loads * 3D bars/beams Shells Solids 1D Pressures Planar Beams Axisymmetric Shells CID Distributed Loads * 3D bars/beams Shells Solids * Floating item for MSC.Patran 2005 release

13 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-13 Overview Supported Entries and Limitations Over 80% of the MSC.Dytran solver entries supported Complete support of the new Fluid Structure Interaction (FSI) capabilities Analysis Enhancements Support for the Parameters BULKL, BULKQ, BULKTYP, EXTRAS, HGCMEM, HGSOL, HGCTWS, HGCWRP, HGSHELL, HGSOLID, IMM, MATRMRG1, MIXGAS, UGASC Parameter VELMAX enhanced to support mass removal Support for the Case Control ACC entry Support for the File Management IMMFILE entry MSC.Dytran Preference

14 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-14 Supported Entries MSC.Dytran Preference Entity TypeMSC Dytran Entries File Management BULKOUT, IMMFILE, NASTDISP, NASTINP, NASTOUT, PRESTRESS, RESTART, RSTBEGIN, RSTFILE, SAVE, SOLINIT, SOLUOUT, START, TYPE, USERCODE Exec. ControlCEND, MEMORY-SIZE, TIME Case ControlACC, CHECK, COG, CONTOUT, CONTS, CPLSOUT, CPLSURFS, CSECS, CSOUT, EBDOUT, EBDS, ELEMENTS, ELEXOUT, ELOUT, ENDSTEP, ENDTIME, GBAGOUT, GBAGS, GPEXOUT, GPOUT, GRIDS, HIC, INCLUDE, MATOUT, MATS, PARAM, RBOUT, RELOUT, RELS, RIGIDS, SET, SETC, SGOUT, SPC, STEPS, SUBSOUT, SUBSURFS, SURFACES, SURFOUT, TIC, TIMES. TITLE, TLOAD RED Color - New MSC.Patran 2005 release

15 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-15 MSC.Dytran Preference Entity TypeMSC Dytran Entries ParametersALEITR, ALETOL, ALEVER, ATBAOUT, ATB-H-OUTPUT, ATBTOUT, AUTHINFO, AUTHQUEUE, BULKL, BULKQ, BULKTYP, CFULLRIG, CONM2OUT, CONTACT, CONSUBCYC, CONSUBMAX, DELCLUMP, ELDLTH, EULTRAN, EXTRAS, FAILOUT, FASTCOUP, FBLEND, FMULTI, GEOCHECK, HGCMEM, HGCSOL, HGCTWS, HGCWRP, HGSHELL, HGSOLID,HVLFAIL, IEEE, IMM, INFO-BJOIN, INISTEP, INITFILE, INITNAS, LIMCUB, LIMITER, MATRMRG1, MAXSTEP, MESHELL, MESHPLN, MICRO, MINSTEP, MIXGAS, NASIGN, NZEROVEL, PMINFAIL, RBE2INFO, RHOCUT, RJSTIFF, RKSCHEME, ROHYDRO, ROMULTI, ROSTR, RSTDROP, SCALEMAS, SHELLFORM, SHELMSYS, SHPLAST, SHSTRDEF, SHTHICK, SLELM, SNDLIM, STEPFCT, STEPFCTL, STRNOUT, UGASC, VARACTIV, VDAMP, VELCUT, VELMAX NodesGRID ElementsCBAR, CBEAM, CDAMP1, CELAS1, CHEXA, CONM2, CPENTA, CQUAD4, CROD, CSPR, CTETRA, CTRIA3, CVISC RED Color - New MSC.Patran 2005 release

16 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-16 MSC.Dytran Preference Entity TypeMSC Dytran Entries Material Models DMAT, DMATEL, DMATEP, DMATOR, DYMAT14, DYMAT24, DYMAT25, DYMAT26, FABRIC, FOAM1, FOAM2, MAT1, MAT2, MAT8, MAT8A, MATRIG, RUBBER1, SHEETMAT Yield ModelsYLDJC, YLDMC, YLDMSS, YLDPOL, YLDRPL, YLDTM, YLDVM, YLDZA Shear ModelsSHREL, SHRLVE, SHRPOL Failure ModelsFAILEST, FAILEX, FAILEX1, FAILMES, FAILMPS, FAILPRS, FAILSDT Spall. ModelsPMINC Equ. of StateEOSEX, EOSGAM, EOSIG, EOSJWL, EOSPOL, EOSTAIT Element Properties PBAR, PBCOMP, PBEAM, PBEAM1, PBEAML, PBELT, PCOMP, PCOMPA, PDAMP, PELAS, PELAS1, PELASEX, PEULER, PEULER1, PROD, PSHELL, PSHELL1, PSOLID, PSPR, PSPR1, PSPREX, PVISC, PVISC1, PVISCEX, PWELD, PWELD1, PWELD2 Coord. FramesCORD2C, CORD2R, CORD2S

17 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-17 MSC.Dytran Preference Entity TypeMSC Dytran Entries Loads and Boundary Conditions ALE, ALEGRID, ALEGRID1, BJOIN, BODYFOR, BOX*, CFACE, CONTACT, CONTFORC, CONTREL, COUHTR, COUINFL, COUOPT, COUP1FL, COUP1INT, COUPLE, COUPLE1, COUPOR, CYLINDER, DETSHP, FFCONTR, FLOW, FORCE, FORCE1, FORCE2, GBAG, GBAGCOU, GBAGHTR, GBAGINFL, GBAGPOR, HTRCONV, HTRRAD, INFLATR, INFLATR1, INFLFRAC, INFLGAS, INFLHYB, INFLHYB1, INFLTANK, INITGAS, KJOIN, MATINI, MESH, MOMENT, MOMENT1, MOMENT2, PERMEAB, PERMGBG, PLOAD, PORFCPL, PORFGBG, PORFLCPL, PORFLGBG, PORFLOW, PORHOLE, PORLHOLE, RBE2, RBHINGE, RCONN, RELLIPS, RFORCE, RIGID, RJCYL, RJPLA, RJREV, RJSPH, RJTRA, RJUNI, SET1, SETC, SPC, SPC1, SPC2, SPC3, SPHERE, SUBSURF, SURFACE, TABLED1, TIC3, TICEL, TICEUL, TICGP, TICVAL, TLOAD1, WALL, WALLET MPC DataRBE2 Analysis & Others $, ACTIVE, BEGIN_BULK, ENDDATA, GRAV, GRDSET, GROFFS, INCLUDE, NASINIT, PARAM, SETTING, VISCDMP RED Color* - Floating MSC.Patran 2005 release

18 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-18 Limitations MSC.Dytran Preference Entity TypeMSC Dytran Entries Case ControlCORDDEF, PLANES, PLNOUT, SGAUGES, USASOUT, USASURFS Bulk DataATBACC, ATBJNT, ATBSEG, CDAMP2, CELAS2, CFACE1, CONTINI, CORD1C, CORD1R, CORD1S, CORD3R, CORD4R, CORDROT, CSEG, DAREA, FLOWDEF, FLOWEX, FORCE3, FORCEEX, GBAGC, HGSUPPR, IGNORE, JOIN, MADGRP, PLOAD4, PLOADEX, POREX, RBC3, RCONREL, RELEX, RPLEX, SECTION, SGAUGE, SHREX, TABLEEX, TIC, TIC1, TIC2, TICEEX, TICGEX, TLOAD2, USA, YLDEX, YLDHY ParametersATBSEGCREATE, CLUMPENER, ENTROPY-FIX, ERRUSR, FAILDT, FLOW-METHOD, HGCOEFF, HGTYPE, HICGRAV, HYDROBOD, IGNFRCER, MATRMERG, OLDLAGTET, PARALLEL, PLCOVCUT, TOLCHK, USA_CAV

19 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-19 MSC.Dytran Preference Analysis Enhancements Execution Control Enhancements Output Request Enhancement Initiating Calculation Enhancement Analysis Enhancements Execution Control Enhancements Output Request Enhancement Initiating Calculation Enhancement

20 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-20 MSC.Dytran Preference Execution Controls Enhancements Support for parameters MIXGAS and UGASC Support for PARAM EXTRAS Support for PARAM MATRMRG1 Support for parameters HGSHELL, HGCMEM, HGCWRP, HGCTWS, HGSOLID and HGCSOL Support for parameters BULKTYP, BULKL and BULKQ

21 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-21 MSC.Dytran Preference Output Request Enhancement Support for ACC Case Control entry

22 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-22 MSC.Dytran Preference Initiating Calculation Enhancement Defines START FMS Defines PARAM IMM Defines IMMFILE FMS Defines Case Control CHECK

23 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-23 Support for ABAQUS gasket element types Input file reader enhancements ABAQUS Preference

24 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-24 ABAQUS preference has been updated to support the gasket element types The link, axisymmetric, two and three- dimensional ABAQUS gasket element types were added Damage and Elastic-Plastic gasket behavior models that vary with displacement and temperature can be assigned to these property sets ABAQUS Preference

25 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-25 Gasket element types (Cont.) Traditional elastic, plastic, viscoelastic and creep material models will also be allowed The thickness direction will be determined from the gasket elements connectivity by default The user will also be allowed to specify a vector for the thickness direction ABAQUS Preference

26 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-26 The following element property set definitions have been added ABAQUS Preference

27 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-27 ABAQUS Preference

28 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-28 The following element property set definitions have been added ABAQUS Preference

29 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-29 ABAQUS Preference

30 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-30 The following element property set definitions have been added ABAQUS Preference

31 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-31 ABAQUS Preference

32 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-32 A shareware utility has also been created to allow the user to rotate the connectivity of eight node hexahedron elements The user-interface rotates the connectivity of eight node hexahedron elements Display and Modify actions The Modify action will allow the user to combine options as follows. ABAQUS Preference

33 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-33 ABAQUS Preference Utilities : FEM – Elements : Modify 3D Connectivity …

34 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-34 The user-interface rotates the connectivity of eight node hexahedron elements (Cont.) The Display action will allow the user to combine options as follows. ABAQUS Preference

35 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-35 ABAQUS Preference Utilities : FEM – Elements : Modify 3D Connectivity …

36 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-36 Input file reader enhancements Add support for *FILM keyword Add support for *NCOPY and *ELCOPY Generate nodes and elements Add support for pre-tensioned section Add support for new ABAQUS cpeg generalized plane strain elements Add support for solid section stack direction Add support for shell section offset ABAQUS Preference

37 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-37 Two additional topologies, DS3/DS6, have been added in MSC.Patran 2005 for ABAQUS Thermal preference ABAQUS Thermal Preference

38 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-38 In the previous release of Patran, the ABAQUS Preference did not support TRIA thermal shell elements The following message will appear when apply thermal element properties, Homogeneous or Laminate, to TRIA elements DS3/DS6 TRIA Elements Critical Decision requested from application ELEM_PROPS The elements associated to the geometry in the Application Region list with Tria3 topologies are invalid for this element type. Ignore and continue? Critical Decision requested from application ELEM_PROPS The elements associated to the geometry in the Application Region list with Tria3 topologies are invalid for this element type. Ignore and continue?

39 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-39 In MSC.Patran 2005, the element property definitions have been modified to include the two additional topologies DS3/DS6 TRIA Elements. *ELEMENT, TYPE=DS3, ELSET=PROP 1, 8, 7, 1 2, 1, 2, 8 3, 2, 3, 8. *ELEMENT, TYPE=DS6, ELSET=PROP 1, 17, 15, 1, 16, 8, 9 2, 1, 3, 17, 2, 10, 9 3, 3, 5, 17, 4, 11, 10..

40 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-40 New features in MSC.Patran Thermal 2005 Ambient radiation option New view factor resistor calculations View factor plotting Heat Flux plots Time Dependent spatial fields Real time solution controls New Material property options Migration of Utility to core Analysis menu MSC.Patran Thermal

41 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-41 Ambient radiation option Radiation from surface with constant or variable emissivity to an ambient node with a view factor of 1.0 This is done with a single resistor defined between the subnodal area in question and the ambient node MSC.Patran Thermal

42 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-42 Ambient Radiation Option Target Element Type: 1D

43 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-43 Ambient Radiation Option Target Element Type: 2D Target Element Type: 3D

44 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-44 New view factor resistor calculations View factor resistor calculations are based on an enclosure by enclosure grouping using a b-tree sorting process This allows larger models to be analyzed and is computationally more efficient than the previous method Enclosures exceeding 5,000 surfaces, wherein each surfaces sees every other surface, can now he handled Equivalent to 20,000 surfaces since MSC.Patran Thermal evaluate view factors on a sub-elemental area MSC.Patran Thermal

45 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-45 View factor plotting Option has been added to enables the extraction of raw view factor information creating various data files for each enclosure that the user can examine Results fringe plots of each surface view factor residual or view factor to space can be created The view factor between selected source surfaces to groups of target surfaces can be calculated, plotted and printed MSC.Patran Thermal

46 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-46 View Factor Plotting VF Plots functionality Selected Elements to Everything Selected Elements to Selected Elements Residuals Optional text file reports

47 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-47 Surfaces Select Form Print summary text file

48 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-48 Viewfactor Plots Disc 1 Source Disc 2 Target Summation from Disc 1 to Disc 2 (NACA TN 2836 F 1-2 = ) VF from all of Disc 1 to individual Elements on Disc 2

49 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-49 Sample Report File Calculated View Factors for selected surfaces. Evaluate the view factor from disc 1 to disc 2 The Surfaces IDs are new PATRAN Element IDs created in the special Enclosure Group. Source Surfaces IDs used for the View Factor calculations >>> The collective Area of the Source surfaces - Sum Ai is = e+00. The collective View Factors between the selected surfaces - Sum Fij is = e-03. Total Enclosure area is = e+00. Total Enclosure Area * View Factors - All AiFij is = e-02. The corresponding View Factors to each Target surface for the above Source surface list. Surface ID Element ID View Factor View Factor View Factor View Factor View Factor e e e e e e e e e e+00 >>> e e e e e e e e-05 Source Surfaces VF to Combined Target Surfaces

50 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-50 Ex 2 – parallel plates 1-unit apart Region 1 entire plate NACA TN 2836 value

51 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-51 Ex 2 – Residuals

52 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-52 Ex 3 –center Elm to other plate Region 1 center element only

53 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-53 MSC.Patran Thermal Heat Flux plots request Under Analysis/Output Requests/Nodal Results File… enable Applied Macro Heat Flux Applied Convective Heat Flux Applied Radiation Heat Flux Total Applied Heat Flux For Radiation Flux, emissivity must be less than 1.0 (.999 OK) For Coupled convection, Flux plotted only on master region Heat Flux summary in Qout.dat

54 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-54 Heat Flux Plot Request New Selections

55 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-55 Heat Flux Plots Results Import Two new results templates available pthermal_1-8pflx_nodal.res_tmpl If all results variables selected in Output Request pthermal_1pflx_nodal.res_tmpl If Temperature plus Heat Fluxes selected User can create other templates and store under [P3_HOME]/res_templates

56 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-56 Radiation Flux Example 2 parallel 1-m radius discs 10m apart Disk 1 fixed at 1000K Disk 2 Fixed at 500K Space node at 500K Mat 1, any thickness for shells Viewfactor LBCs, Surf emiss=.999 Request Fluxes, use new res templ Radiation Flux Plot…

57 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-57 Radiation Flux MSC.Patran vs Analytical DiscP-Thermal Flux W/m2 Analytical Flux W/m2 Disc at 1000K (left) Disc at 500K (right) NACA TN 2836 F 1-2 = Fringe shown only on Surface 2 for clarity

58 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-58 Time Dependent spatial fields Time dependent spatial field can be used to define heat flux histories for a given set of surfaces In the same way spatially dependent convective coefficients histories can be defined over a given surface The fields are evaluated at the applied nodes and produces individual time tables that are interpolated during the solution MSC.Patran Thermal

59 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-59 Time Dependent Spatial Fields Initially available only under MSC.Patran Thermal Preference Enables time-dependency

60 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-60 Input Data or Import CSV file Excel CSV file Import Click here and Backspace to clear form

61 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-61 Spatial-Time Field Evaluation Available for Heating & Conv BCs Field evaluated at each node Heating generates time dependent micros in new file micro_st.dat Convection generates time dependent MPIDs in new file mat_st.dat

62 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-62 Real time solution controls During a QTRAN execution, the user can now communicate/control the executing job through some new qstat options Convergence controls need to be tighten or relaxed Change the print interval MSC.Patran Thermal

63 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-63 Qstat p[arameter] Control Under Start/Run open: cmd (1) change the directory to where the job is running (e.g., D:\> cd Models/test1) (2) type: qstat g [creates a local file with current parameters] (3) type: qstat p [presents a menu to modify parameters] (4) Available on-line help file (pick 8)

64 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-64 Qstat Solution Control Parameters 1 Solution Time - TIME = e+00 2 Print Time - CLOCK = e+01 3 Maximum Iterations per Time Step - IMAX = e+01 4 Minimum Iterations per Time Step - IMIN = e+00 5 Maximum Steady State Iterations - IMAXSS = e+03 6 Maximum Hydraulic Iterations - MXHPIT = e+03 7 Iterations between SS Results - ISSDMP = e+02 8 Iterations between Full Solution - NITBUP = e+00 9 Time Step - DT = e Minimum Time Step - DTMIN = e Stop Time - TSTOP = e Decreasing Time Step Factor - TSFMIN = e Increasing Time Step Factor - TSFMAX = e Explicit/Implicit Ratio - BETA = e Minimum Explicit/Implicit Ratio - BETMIN = e Maximum Explicit/Implicit Ratio - BETMAX = e Maximum Hydraulic Error - HYEPIS = e Maximum Dynamic Head Error - HYHDEP = e Maximum Mass Flow Rate Error - HYMDEP = e Maximum Hydraulic Pressure Error - HYPREP = e Maximum Steady State Error - EPSISS = e Maximum Transient Error - EPSIT = e Transient Iteration Cutout Error - EPSIT2 = e Perturbation Factor - PERTUR = e Maximum Integration Time Step - DTMAX = e Maximum Hydraulic Time Step - DTMAXH = e DTMAX Stage Time - DTMXA1 = e DTMAX at next Stage Time - DTMXA2 = e DTMAXH at next Stage Time - DTMXHA = e Print Interval - TPRINT = e Print next Stage Time - PRINTA = e Next Print Stage Time - PRINTT = e Staging Flag - STGFLG = e+00

65 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-65 Executing qstat p Control 0 = Abort operation, exit QSTAT 1 = Create & pass the new parameters file to QTRAN 2 = Display all parameters 3 = Zero out all parameters 4 = Initialize with default parameters 5 = Step through loading each parameter 6 = Load a specific parameter 7 = Reload old parameters file 8 = Print basic instructions example: select "6" (load a specific parameter, see prior slide) select "11" (prompts for changing stop time, input new value) select "0" (no more parameters to be changed) select "1" (request to use new parameters at next calculation)

66 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-66 New Material property options Bivariant Table, Dependent Variable and Independent Variable option have been added to the material property fields The independent dependent variable option can be used when multiple dependent values have the same independent variable For example, if heat flux histories were to be applied over a surface, then a single independent variable table of time could be used for each of the dependent variables MSC.Patran Thermal

67 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-67 New Material Property Options Select mpid_biva_tabl for Bivariant Table option mpid_depn_varb for Dependent Variable option mpid_indp_varb for Independent Variable option

68 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-68 Migration of Utilities to core Some of the MSC.Patran Thermal utilities have been migrated into core analysis menu Thermal Results Reader Pthermal Job Status Total Heat per Area Total Heat per Volume Temperature Field Node Modified by Field Same functionality as Shareware Temperature interpolation does not currently support Pthermal preference (expects structural) MSC.Patran Thermal

69 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-69 Migration of Utilities to Core Pthermal Results Reader

70 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-70 Migration of Utilities to Core Pthermal Job Status Total Heat Per Area

71 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-71 Migration of Utilities to Core Total Heat Per Volume Temperature FieldNode Modified by Field

72 PAT328, Section 3, September 2004 Copyright 2004 MSC.Software Corporation S3-72