NX NASTRAN V8.0 ofrece las siguientes mejoras y novedades más importantes:
DYNAMICS
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- Residual vector options placed in the case control and more options provided.
- Reciprocal panel contributions added to give panel contributions for structural response due to an acoustic excitation.
- Modal contributions for acoustic response can be further subdivided into modal contributions by panels.
- Mode selection control (MODSEL) enabled to operate on subcase level.
- The TZERO option for transient initial conditions extended to support direct transient solution (SOL 109) and differential stiffness.
- Flex body export (MBDEXPORT) for the state-space format extended to give acceleration response variables in addition to the existing displacement and velocity response variables.
- Improved accuracy for solutions with frequency dependent element stiffness and modal damping.
ELEMENTS
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- Support linear and parabolic plane stress (CPLSTSx) and plane strain elements (CPLSTNx) in more solutions.
- New 2D edge load support.
- Non-linear materials support for solid parabolic elements in SOL 106 and 129.
- Pyramid elements (CPYRAM) can be used with hyperelastic materials in SOL 106 and 129.
- Support composite material definitions for solid Hex and Penta elements.
- Easier material coordinate system definitions for solid elements.
SUPERELEMENTS
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- External superelement geometry written to system OP2 file to support post-processing in NX.
- Control of loads on external superelements improved for the system analysis.
- DOF definition for external superelements in SOL101 made consistent with SOL 103.
LINEAR
CONTACT ...
- Support contact for inertia relief solutions.
- Improved accuracy for contact pressure output.
GLUE
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- Glue traction output supported.
- Improved accuracy for connected surfaces with very small separation.
- Performance improved for models with vary large number of element connection faces.
ADVANCED
NON-LINEAR ...
- Support variable thickness for plane stress elements.
- Support edge load for plane stress/strain elements.
- Added visco-elastic properties for both hyperelastic and non-hyperelastic materials.
- Support Mullins effect with hyperelastic material.
- Support combined creep with elastic/plastic strain.
- Support new material orientation input for orthotropic materials.
- Support CBUSH element.
- Support direct input of stiffness and mass matrices with DMIG input.
OPTIMIZATION
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- Support frequency dependent properties of PBUSHT, PELAST and PDAMPT elements as design variables.
- Improve accuracy of optimization with beam section design variables.
- Update OP2 data blocks to include design cycle information.
NUMERICAL
PERFORMANCE ...
- Low-rank structural damping performance improved.
- Factor caching enhanced for improved modal solution performance.
- Improved timing constants for SMP solutions.
DISTRIBUTED
MEMORY PROCESSING (DMP) SOLUTIONS
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- Added support for frequency response optimization with SOL 200 using RDMODES solution.
- Added support for SOL 112 and restarts for SOL 111 and SOL 112 with RDMODES solution.
- RDMODES Schur complement performance improved in the partition phase.
PLATFORM
SUPPORT ...
Hardware Executable Type Supported OS 1st Supported Rel. -------- --------------- ------------ ------------------
IBM 64-bit AIX 5.2 1.0 IBM 64-bit DMP AIX 5.2 3.0 IBM 64-bit AIX 5.3.0 1.0 IBM 64-bit DMP AIX 5.3.0 3.0 IBM 64-bit AIX 6.1.0 6.0 IBM 64-bit DMP AIX 6.1.0 6.0
IBM ILP-64 AIX 5.2 4.0 IBM ILP-64 DMP AIX 5.2 4.0 IBM ILP-64 AIX 5.3.0 4.0 IBM ILP-64 DMP AIX 5.3.0 4.0 IBM ILP-64 AIX 6.1.0 6.0 IBM ILP-64 DMP AIX 6.1.0 6.0
Intel X86 32-bit Windows XP SP3 7.0 Intel X86 32-bit Windows Vista 32 SP2** 6.0 Intel X86 32-bit Windows Windows 7 *** 7.0 Intel X86 32-bit Windows Windows 7 SP1 *** 7.0 Intel X86 32-bit Windows Server 2008 7.0
Intel x86-64 LP-64* SuSE ES 10.0 SP2 8.0 Intel x86-64 LP-64* DMP* SuSE ES 10.0 SP2 8.0 Intel x86-64 LP-64* SuSE ES 11.0 7.1 Intel x86-64 LP-64* DMP* SuSE ES 11.0 7.1 Intel x86-64 LP-64* SuSE ES 11.0 SP1 8.0 Intel x86-64 LP-64* DMP* SuSE ES 11.0 SP1 8.0 Intel x86-64 LP-64* Redhat EL 5.0 5.1 Intel x86-64 LP-64 DMP* Redhat EL 5.0 5.1 Intel x86-64 LP-64* Redhat EL 6.0 8.0 Intel x86-64 LP-64 DMP* Redhat EL 6.0 8.0
Intel x86-64 ILP-64* SuSE ES 10.0 SP2 8.0 Intel x86-64 ILP-64* DMP* SuSE ES 10.0 SP2 8.0 Intel x86-64 ILP-64* SuSE ES 11.0 7.1 Intel x86-64 ILP-64* DMP* SuSE ES 11.0 7.1 Intel x86-64 ILP-64* SuSE ES 11.0 SP1 8.0 Intel x86-64 ILP-64* DMP* SuSE ES 11.0 SP1 8.0 Intel x86-64 ILP-64* Redhat EL 5.0 5.1 Intel x86-64 ILP-64 DMP* Redhat EL 5.0 5.1 Intel x86-64 ILP-64* Redhat EL 6.0 8.0 Intel x86-64 ILP-64 DMP* Redhat EL 6.0 8.0 Intel x86-64 LP-64* Windows XP64 SP2 7.0 Intel x86-64 LP-64 DMP* Windows XP64 SP2 7.0 Intel x86-64 LP-64* Windows Vista 64 SP2** 8.0 Intel x86-64 LP-64 DMP* Windows Vista 64 SP2** 8.0 Intel x86-64 IP-64* Windows Server 2008 7.0 Intel x86-64 LP-64 DMP* Windows Server 2008 7.0 Intel x86-64 IP-64* Windows Server 2008 SP2 8.0 Intel x86-64 LP-64 DMP* Windows Server 2008 SP2 8.0 Intel x86-64 IP-64* Windows Server 2008 R2 8.0 Intel x86-64 LP-64 DMP* Windows Server 2008 R2 8.0 Intel x86-64 LP-64* Windows 7 *** 7.0 Intel x86-64 LP-64 DMP* Windows 7 *** 7.0 Intel x86-64 LP-64* Windows 7 SP1*** 8.0 Intel x86-64 LP-64 DMP* Windows 7 SP1*** 8.0 Intel x86-64 ILP-64* Windows XP64 SP2 7.0 Intel x86-64 ILP-64 DMP* Windows XP64 SP2 7.0 Intel x86-64 ILP-64* Windows Vista 64 SP2** 8.0 Intel x86-64 ILP-64 DMP* Windows Vista 64 SP2** 8.0 Intel x86-64 IIP-64* Windows Server 2008 7.0 Intel x86-64 ILP-64 DMP* Windows Server 2008 7.0 Intel x86-64 IIP-64* Windows Server 2008 SP2 8.0 Intel x86-64 ILP-64 DMP* Windows Server 2008 SP2 8.0 Intel x86-64 IIP-64* Windows Server 2008 R2 8.0 Intel x86-64 ILP-64 DMP* Windows Server 2008 R2 8.0 Intel x86-64 ILP-64* Windows 7 *** 7.0 Intel x86-64 ILP-64 DMP* Windows 7 *** 7.0 Intel x86-64 ILP-64* Windows 7 SP1*** 8.0 Intel x86-64 ILP-64 DMP* Windows 7 SP1*** 8.0
OPERATING
SYSTEM REQUIREMENTS
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- As communicated previously NX NASTRAN 7.0 ends the support of the HP-UX (PA-RISC), Sun Solaris, and 32-bit Linux platforms: http://support.ugs.com/docs/nastran/v60/nxn_platform_support_nxn6.pdf
- Support for SGI IRIX was discontinued with the NX NASTRAN 6.0 release per this announcement: http://support.ugs.com/docs/nastran/v50/nxn_platform_support.pdf
- *X86-64 refers to the the various 64bit Intel chips including, but not limited to, the 64bit Pentium D, the Core 2 Duo, Core 2 Quad, and the 64bit Xeon series of processors.
- **Supported versions of Microsoft Vista are limited to Vista Business and Vista Enterprise. All testing was performed using Vista Enterprise.
- ***Supported versions of Microsoft Windows 7 are limited to Windows 7 Pro and Windows 7 Enterprise. All testing was performed using Windows 7 Enterprise.
SÍGUENOS
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