NFX description
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Overview MIDAS Information Technology Co., Ltd. Easy, Accurate and Practical Solution for True Analysis-driven Design • CAE S/W development and analysis & design support company (Seoul, Korea) • Incorporated in September, 2000 (Newly established by POSCO Group) The MIDAS programs have been developed since 1989 and used commercially since 1996. • 8 branch offices and 20 direct distribution channels worldwide China (Beijing, Shanghai, Guangzhou, Chengdu), USA (Detroit), India, Japan • 240 S/W developers and professional engineers (2008.06) 20 Global Partners and Sales Offices (Asia: 11,...

Overview About Nastran FX Easy, Accurate and Practical Solution for True Analysis-driven Design Overview • Nastran FX is an integrated finite element analysis program with state-of-the-art graphic user interface and true Nastran solution technology. • Nastran FX provides a complete environment for multi-discipline simulation. • Co-developed by MIDAS IT (midas FX+) and Noran Engineering (NEiNastran). Marine Automotive Aerospace Product Design Industrial 4

Overview Configuration Easy, Accurate and Practical Solution for True Analysis-driven Design Overview Geometry Modeler Geometry modeling and clean-up Mesh Generator Auto, mapped and manual meshing Analysis Control GUI and table supports for various conditions Post-processor Various graphic plots and result tables Nastran Solver Static, dynamic, heat, contact, etc. w/ high-performance equation solvers Nastran Editor Editing, context-sensitive input and dynamic help 5

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Overview Data Exchange Easy, Accurate and Practical Solution for True Analysis-driven Design Overview • STEP, IGES MCAD (CATIA V5) • Parasolid (V17.1), ACIS (R16) • CATIA V4 (4.1x, 4.2x), CATIA V5 (R6~R17) • SolidWorks (98~2007), UG (11~18, NX1~NX4) Geometry (Direct Interface) • Pro/E (~WildFire3/Granite V3), Inventor (6~11) • SolidEdge (V10~V20), AutoCAD DXF • STL (Mesh) • Nastran (MSC, NX, NEi), FEMAP • Ansys, ABAQUS Simulation & Validation • Direct CAD interfaces are developed under the license with ITI-TranscenData (CADfix). • Native interfaces need not the installed CAD programs like...

Overview CAD-linked Interface and Parameter Control Easy, Accurate and Practical Solution for True Analysis-driven Design Overview • Purpose: geometric parametric study • “Update” automatically imports and updates the current MCAD model. • SolidWorks, CATIA, SolidEdge are supported. • Other MCADs will be supported soon. Tube length is changed! SolidWorks Initial analysis performed in Nastran FX Works Tree Displays modeling history and parameters Reanalysis with automatically updated analysis model after changing CAD parameters (dimension) 9

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Overview Overview Demo Linear Contact Analysis of Solid Assembly Easy, Accurate and Practical Solution for True Analysis-driven Design Demonstration Example Weld Contact Linear Static Analysis (Linear Contact) Solid Assembly Model (6 Parts) Weld and Sliding Contact 12

midas Civil

Analysis Solution Capabilities Easy, Accurate and Practical Solution for True Analysis-driven Design Analysis • • • • • • • Linear Static Thermal stress and deflection, prestress, 2D and 3D composites Normal Modes Block Lanczos, linear and nonlinear prestress, MAC Buckling Linear and nonlinear initial stress, 2D and 3D composites Heat Transfer Linear and nonlinear steady-state and transient Nonlinear Static Large displacement and rotation Nonlinear elastic, elasto-plastic, thermal elastic and hyperelastic Adaptive contact with friction: automated surface contact, weld elements Dynamic...

Analysis Element Library Easy, Accurate and Practical Solution for True Analysis-driven Design Analysis Type Elements 1D Plate (CQUAD4/8/R, CTRIA3/6/8) - Shell, Bending Only, Membrane - Plane Strain Composite Plate (PCOMP) Plot 2D (PLOTEL), … 3D Element dialog Rod (CROD), Bar (CBAR) Beam (CBEAM), Pipe (CPIPE) Tube (CTUBE), Cable (CCABLE) Plot 1D, … 2D Property dialog Solid (CHEXA, CPENTA, CTETRA) Composite Solid (PCOMP), … Others Spring (CELAS1, CELAS2) Mass (CMASS1, CMASS2) Damper (CDAMP1, CDAMP2) Concentrated Mass (CONM2) Bush (CBUSH), Weld (CWELD) Rigid Bar(RBAR), Rigid Body (RBE2)...

Analysis Advanced Elements Easy, Accurate and Practical Solution for True Analysis-driven Design • Hybrid Quad and Hexa elements - Higher order internal shape functions - No K6ROT or SNORM required - Supported in all solutions including nonlinear - Robust results with distorted elements - Fast mesh convergence • Nonlinear tension-only shell elements Stresses (initial mesh: 111 MPa, refined: 109.7 MPa) - Very useful for semi-monocoque structures in automobile and aircraft industry - Tension-only membrane reverts to a shear panel in compression • Weld and bi-directional slide elements - Use...

Add/Modify Analysis Case (Master Case) Subtitle |Linear Static Analysis Case Solution Type |Linear Static(lfll) Analysis Control HP Output Request Master Case Model — Active Sets iBoundary Condition ■■■^b Weight Boundary Condition Add/Modify Subcases.., Combination Subcase.. SetSorting |Name Load Scale Factors..

Analysis Linear Statics Easy, Accurate and Practical Solution for True Analysis-driven Design Analysis • Linear stress, strain and deflection (over 10 million DOFs) • Thermal stress and deflection • Prestress • 2D and 3D composites • Fast sparse direct and iterative solvers (NASA VSS and CASI PCGLSS) • Sub-cases and sub-combinations • Various analysis results Fully Integrated Environment Solver and pre/post-processor are seamlessly integrated. Crank shaft static: 6,858,000 DOFs Solution time: 9,925 sec. (2.76 hr.) System: Intel Xeon 2.4GHz CPU w/ 2GB RAM • • • • • In-program / stand-alone...