ansys academic research mech and cfd software , electrical items : , ansys academic-research mech and cfd software tool ( one task ) technical specifications the software tool shall contain the following features 1. finite element analysis ( fea ) the structural / mechanical finite element analysis software tool shall comply with following specifications. design tool for analysis general capabilities of pre-processing tools: the preprocessors ( geometry modeling tool and the mesh generator ) should have the following capabilities a ) direct modelling technology b ) open data from all major cad systems c ) feature based modelling technology d ) export data to neutral file formats e ) modify imported geometry f ) defeaturing and simplification tools g ) model repair h ) add parameters for design exploration i ) extract mid-surfaces / shells and beams j ) extract volumes & create inner fluid domains k ) extract outer air enclosures l ) shared topology for conformal meshing m ) booleans and slicing n ) create weld bodies o ) boundary condition mapping p ) scripting q ) sketching and editing tools r ) 3d comparison tools s ) repair and edit faceted data t ) reverse engineering faceted data meshing capabilities a ) physics and solver based setting: mechanical, cfd, implicit, explicit, electromagnetics. b ) advanced sizing function c ) smoothening d ) element size e ) assembly mesh f ) advanced settings: parallel meshing, shape checking, element mid-side node, rigid body behavior g ) defeaturing: pinch tolerance, automatic mesh based defeaturing, statistics local mesh control a ) sizing: contact sizing, mapped face meshing, refinement, match control, pinch, inflation, object generator b ) meshing methods: tetrahedral, hex, sweep, multizone c ) mesh solution features: selective meshing, section planes, virtual topology mosaic mesh technology a ) creating a volume mesh from an imported surface mesh b ) creating a volume mesh from imported cad geometry c ) improving mesh quality with auto node move d ) optimal settings for transferring geometry from cad tool e ) converting hexahedral mesh to unstructured polyhedral mesh f ) mastery of sizing functions g ) wrapping single parts h ) wrapping dirty, complex assemblies finite element modeling and solver deck creation. geometric idealization a ) spring b ) mass c ) damper d ) spar e ) beam f ) cable g ) pipe / elbow h ) shell - thin i ) layered shell - thin ( composite ) j ) shell - thick ( solid shell ) k ) layered shell - thick ( solid shell ) ( composite ) l ) 2d plane / axisymmetric m ) 3d solids n ) layered 3d solids ( composite ) o ) infinite domain p ) 2.5d elements q ) reinforcement elements r ) coupled field rom element technology s ) iso-geometric analysis ( iga ) modeling capabilities a ) contact - linear b ) contact - nonlinear c ) joints d ) seam welds e ) spot welds f ) element birth and death g ) gasket elements h ) rezoning and adaptive remeshing i ) inverse analysis materials a ) basic linear materials ( linear, anisotropic, temperature dependent ) b ) basic nonlinear materials ( hyperelastic, plasticity, rate independent, isotropic, concrete, viscoelasticity ) c ) advanced nonlinear materials ( rate dependent, anisotropic, damage models, geomechanics materials, multiphysics, acoustics ) d ) field dependent e ) user defined materials f ) fracture mechanics and crack growth g ) materials multiscale homogenization composite materials a ) material definitions b ) ply definitions c ) interface layers d ) advanced ply modeling features e ) variable material data f ) solid extrusion g ) lay-up mapping h ) draping i ) lay-up exchange interfaces j ) advanced failure criteria library k ) first-ply failure l ) last-ply failure m ) delamination n ) sandwich modeling o ) automation / run scripts p ) short fiber composites structural solver capabilities a ) linear static b ) nonlinear static c ) pre-stress effects, linear perturbation d ) nonlinear geometry e ) buckling - linear eigenvalue f ) buckling - nonlinear post buckling behavior g ) buckling - nonlinear post buckling behavior - arc length h ) steady state analysis applied to a transient condition i ) advanced wave loading multi analysis a ) submodeling b ) data mapping c ) multiphysics data mapping d ) initial state e ) advanced multi-stage 2-d to 3-d analysis vibrations a ) modal b ) modal - pre-stressed c ) modal - damped / unsymmetric d ) transient - mode-superposition e ) harmonic - mode-superposition f ) harmonic - full g ) spectrum h ) random vibration i ) mistuning j ) rotordynamics k ) multi-stage cyclic symmetry nonlinear transient dynamics a ) rigid body mechanisms b ) rigid body dynamics with cms l components for flexible bodies c ) full transient d ) cms with substructuring e ) mixed rigid - flexible systems explicit dynamics a ) fe ( lagrange ) solver b ) euler solvers c ) implicit-explicit material states d ) mass scaling e ) natural fragmentation f ) erosion based on multiple criteria g ) de-zoning h ) part activation and deactivation ( multi stage analysis ) i ) explicit time integration durability a ) stress-life ( sn ) b ) strain-life ( en ) c ) safety factor d ) vibration fatigue wave hydrodynamics a ) diffraction and radiation b ) frequency & time domain motions analysis c ) moorings, joints & tethers d ) load transfer to structural analysis e ) internal tanks thermal a ) steady state thermal b ) transient thermal c ) conduction d ) convection e ) radiation to space f ) radiation - surface to surface g ) phase change h ) thermal analysis of layered shells and solids additional physics a ) 1-d thermal-flow b ) 1-d coupled-field circuits c ) 1-d electromechanical transducer d ) mems rom e ) piezoelectric f ) piezoresistive g ) electromagnetic h ) electro-migration i ) diffusion-pore-fluid j ) structural-thermal-electric-magnetic k ) 1-way fluid-structure interaction l ) 2-way fluid-structure interaction m ) multi-scale modeling n ) implicit time integration optimization a ) designxplorer included b ) parameters c ) design point studies d ) correlation analysis e ) design of experiments f ) sensitivity analysis g ) goal driven optimization h ) six sigma analysis miscellaneous and usability a ) ansys spaceclaim b ) ansys customization suite ( acs ) c ) support act extensions d ) journaling and scripting e ) command snippet support f ) batch run capability g ) read / write 3rd party matrix cae data h ) cdb and 3rd party fe model import i ) nastran bulk file export j ) global / selective mass scaling k ) keyword input l ) splitting of input file into subfiles m ) user subroutines n ) re-mapping o ) transmitting boundaries p ) dynamic storage allocation q ) extensive output data controls ( ascii / binary ) r ) interactive real-time graphics s ) double precision 2. computational fluid dynamics ( cfd ) the computational fluid dynamics ( cfd ) software tool will comply to following specifications. general solver capabilities a ) comprehensive inlet and outlet conditions b ) steady-state flow c ) transient flow d ) 2-d and 3-d flow e ) time dependent boundary conditions f ) customizable materials library g ) granta materials data for simulation h ) fan model j ) periodic domains k ) flow-driven solid motion ( 6dof ) l ) pressure-based coupled solver m ) density-based coupled solver n ) dynamic / moving-deforming mesh o ) overset mesh p ) immersed-solid / mst method for moving parts q ) automatic on-the-fly mesh generation with dynamic refinement r ) dynamic solution-adaptive mesh refinement s ) polyhedral unstructured solution-adaptive mesh refinement single phase, non-reacting flows a ) incompressible flow b ) compressible flow c ) porous media d ) non-newtonian viscosity e ) turbulence - isotropic f ) turbulence - anisotropic ( rsm ) g ) turbulence - unsteady ( les / sas / des ) h ) turbulence - laminar / turbulent transition i ) flow pathlines ( massless ) j ) acoustics ( source export ) k ) acoustics ( noise prediction ) heat transfer a ) natural convection b ) conduction & conjugate heat transfer c ) shell conduction ( including multi-layer model ) d ) internal radiation - participating media e ) internal radiation - transparent media f ) external radiation g ) solar radiation & load h ) simplified heat exchanger model i ) non-equilibrium thermal model j ) porous media particles flows ( multiphase ) a ) coupled discrete phase modeling including thin wall films b ) macroscopic particle model c ) inert particle tracking ( with mass ) d ) liquid droplet ( incl. evaporation ) e ) combusting particles f ) multicomponent droplets g ) discrete element model ( dem ) h ) break-up and coalescence i ) erosion free surface flows ( multiphase ) a ) implicit vof b ) explicit vof c ) coupled level set / vof d ) complex multiphase regime transitions e ) vof to dpm model f ) dpm to vof model g ) open channel flow and wave h ) surface tension i ) phase change j ) cavitation k ) cavitation where multiple fluids and non-condensing gases are present dispersed multiphase flows ( multiphase ) a ) mixture fraction b ) eulerian model including thin wall films c ) boiling model d ) surface tension e ) phase change f ) drag and lift g ) wall lubrication h ) heat and mass transfer i ) population balance j ) reactions between phases k ) granular model for dense bed of solids l ) dense particulate coupling ( ddpm ) reacting flows a ) species transport b ) non-premixed combustion c ) premixed combustion d ) partially premixed combustion e ) composition pdf transport f ) finite rate chemistry g ) pollutants and soot modeling h ) sparse chemistry solver with dynamic cell clustering and dynamic adaptive chemistry i ) ability to use model fuel library mechanisms j ) flame-speed from fuel-component library k ) dpik spark-ignition model l ) flame-propagation using level-set method ( g-equation ) m ) internal combustion engine specific solution n ) 0-d / 1-d / 2-d reactor models and reactor networks o ) plasma reactions p ) comprehensive surface-kinetics q ) chemical and phase equilibrium r ) flamelet table generation s ) flame speed and ignition table generation t ) reaction sensitivity, uncertainty and path analysis u ) surrogate blend optimizer v ) mechanism reduction w ) detailed electrochemistry model for li-ion batteries turbomachinery a ) mrf / frozen-rotor b ) sliding-mesh / stage c ) transient blade row d ) pitch change e ) time transformation f ) fourier transformation g ) harmonic analysis h ) blade flutter analysis i ) performance maps in-flight icing a ) simulation of standard droplets, sld, and ice crystals b ) inclusion of vapor / humidity effects on icing c ) icing environments of appendices c, o ( sld ) , and d ( ice crystals ) d ) various pre-defined droplet size distributions e ) simulation of rime, glaze, and mixed icing f ) single-and multi-shot icing simulations with mesh deformation for prediction of ice accretion and aerodynamic performance degradation g ) single-and multi-shot icing simulations with automatic re-meshing for prediction of ice accretion and aerodynamic performance degradation h ) conjugate heat transfer ( cht ) for anti-and de-icing simulations i ) icing of rotating components of all types: rotors, propellers, and engines ( fan, guide vanes, and any number of compressor rows ) j ) ice cracking k ) ice shedding optimization a ) parameters b ) design point studies c ) correlation analysis d ) design of experiments e ) sensitivity analysis f ) goal driven optimization g ) six sigma analysis h ) adjoint solver for shape optimization i ) adjoint solver for rotating reference frames & conjugate heat transfer j ) multi-objective-constrained optimization k ) mesh morphing ( rbf morph ) high rheology material a ) viscoelasticity b ) specialty extrusion models c ) specialty blow molding models d ) specialty fiber spinning models pre and post processing a ) compare multiple runs, datasets, physics, graphs in a single window b ) simulation reports c ) advanced data interpolation between dissimilar meshes d ) advanced, automated data exchange multiphysics a ) drag-n-drop multiphysics b ) direct coupling between physics c ) collaborative workflows d ) fully managed co-simulation e ) flexible solver coupling options f ) functional mock up unit ( fmu ) coupling g ) force induced motion / deformation h ) fluid thermal deformation fluid-structure interaction a ) convection cooled electronics b ) conduction cooled electronics c ) intrinsic fsi d ) thermo-elasticity electro-thermal interaction a ) high frequency thermal management b ) electromechanical thermal management c ) aero-vibro acoustics d ) acoustics-structural other coupled interactions a ) fluid magnetohydrodynamics b ) support act simulation apps c ) mosaic-enabled meshing technology d ) task-based workflow -watertight geometries e ) task-based workflow -fault tolerant geometries f ) directly enter expressions g ) parallel solving with ansys cloud launched from desktop h ) parallel solving with ansys cloud launched from vdi 3. additive manufacturing model preparation a ) define build envelope b ) multiple parts c ) optimize part orientation based upon distortion tendency, build time, & supports d ) support region detection and manual modification e ) create multiple support types in one region f ) control of support parameters g ) multiple support types h ) angled supports i ) perforations, tooth patterns, intrusion, sizing and distribution of support walls j ) automatic support generation k ) export of stl and cad tool files l ) export of additive manufacturing equipment ( oem ) build files m ) cost estimation n ) layer / scan vector visualization topology and lattice optimization a ) structural optimization b ) modal optimization c ) thermal loads d ) inertial loads e ) optimized design validation f ) manufacturing constraints g ) stress constraints h ) symmetry i ) lattice optimization j ) overhang / additive constraints workbench additive a ) user-defined step option as 1st or last sequence step b ) layered tetrahedral meshing c ) post build heat treatment d ) import of stl supports e ) inherent strain isotropic and anisotropic released f ) strain scaling factor for thermal and structural analyses g ) stl files can be exported from stl supports h ) voxel mesh generation i ) wizards to transfer results from additive print to workbench additive j ) calibration setup in am wizard k ) am bond implementation l ) layer end temperature output m ) process simulation for directed energy deposition n ) direct energy deposition - wizard o ) direct energy deposition - g-code clustering p ) direct energy deposition - manual clustering additive process simulation a ) nonlinear and temperature dependent material properties b ) uniform assumed isotropic strain c ) scan pattern based anisotropic strain d ) thermal ratcheting based anisotropic strain e ) stress-based automatically generated supports f ) part distortion & residual stress ( as-built ) g ) directional part and support removal h ) part distortion and residual stress after baseplate cut-offand / or support removal i ) distortion compensation j ) recoater interference detection k ) identification of high strain ( crack ) locations l ) input strain hardening factor m ) import of stl supports n ) subvoxel material density assignment o ) layer by layer stress, distortion & blade crash visualizations p ) build file readers for multiple am machines q ) auto queue multiple successive simulations r ) additive print to workbench additive transfer for post processing additive morphology a ) meltpool dimensions b ) thermal history c ) % lack of fusion porosity d ) ability for add user-defined materials microstructure prediction